diff options
Diffstat (limited to 'js/src/tests/test262/language/expressions/function')
276 files changed, 15562 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/function/S10.1.1_A1_T2.js b/js/src/tests/test262/language/expressions/function/S10.1.1_A1_T2.js new file mode 100644 index 0000000000..3f0041712e --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/S10.1.1_A1_T2.js @@ -0,0 +1,29 @@ +// Copyright 2009 the Sputnik authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + Program functions are defined in source text by a FunctionDeclaration or created dynamically either + by using a FunctionExpression or by using the built-in Function object as a constructor +es5id: 10.1.1_A1_T2 +description: Creating function dynamically by using a FunctionExpression +---*/ + +//CHECK#1 +var x=function f1(){return 1;}(); +if(x!==1) + throw new Test262Error('#1: Create function dynamically either by using a FunctionExpression'); + +//CHECK#2 +var y=function (){return 2;}(); +if(y!==2){ + throw new Test262Error('#2: Create an anonymous function dynamically either by using a FunctionExpression'); +} + +//CHECK#2 +var z = (function(){return 3;})(); +if(z!==3){ + throw new Test262Error('#3: Create an anonymous function dynamically either by using a FunctionExpression wrapped in a group operator'); +} + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/arguments-with-arguments-fn.js b/js/src/tests/test262/language/expressions/function/arguments-with-arguments-fn.js new file mode 100644 index 0000000000..560c24c4f8 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/arguments-with-arguments-fn.js @@ -0,0 +1,32 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-functiondeclarationinstantiation +es6id: 9.2.12 +description: > + Arguments object is created even when the body contains a lexically-scoped + binding named "arguments" +info: | + [...] + 19. Else if "arguments" is an element of parameterNames, then + a. Let argumentsObjectNeeded be false. + 20. Else if hasParameterExpressions is false, then + a. If "arguments" is an element of functionNames or if "arguments" is an + element of lexicalNames, then + i. Let argumentsObjectNeeded be false. + [...] +flags: [noStrict] +---*/ + +var args; + +var f = function(x = args = arguments) { + function arguments() {} +}; + +f(); + +assert.sameValue(typeof args, 'object'); +assert.sameValue(args.length, 0); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/arguments-with-arguments-lex.js b/js/src/tests/test262/language/expressions/function/arguments-with-arguments-lex.js new file mode 100644 index 0000000000..4b5d0f083f --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/arguments-with-arguments-lex.js @@ -0,0 +1,32 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-functiondeclarationinstantiation +es6id: 9.2.12 +description: > + Arguments object is created even when the body contains a function named + "arguments" +info: | + [...] + 19. Else if "arguments" is an element of parameterNames, then + a. Let argumentsObjectNeeded be false. + 20. Else if hasParameterExpressions is false, then + a. If "arguments" is an element of functionNames or if "arguments" is an + element of lexicalNames, then + i. Let argumentsObjectNeeded be false. + [...] +flags: [noStrict] +---*/ + +var args; + +var f = function (x = args = arguments) { + let arguments; +}; + +f(); + +assert.sameValue(typeof args, 'object'); +assert.sameValue(args.length, 0); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/array-destructuring-param-strict-body.js b/js/src/tests/test262/language/expressions/function/array-destructuring-param-strict-body.js new file mode 100644 index 0000000000..6d667c8c86 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/array-destructuring-param-strict-body.js @@ -0,0 +1,133 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/function-forms/array-destructuring-param-strict-body.case +// - src/function-forms/syntax/func-expr.template +/*--- +description: ArrayBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [rest-parameters] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.4 Static Semantics: IsSimpleParameterList + + BindingElement : BindingPattern + + 1. Return false. + + 14.1.2 Static Semantics: Early Errors + + FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody } + FunctionDeclaration : function ( FormalParameters ) { FunctionBody } + FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody } + + - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and + IsSimpleParameterList of FormalParameters is false. + + 14.2.1 Static Semantics: Early Errors + + ArrowFunction : ArrowParameters => ConciseBody + + - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and + IsSimpleParameterList of ArrowParameters is false. + + 14.3.1 Static Semantics: Early Errors + + MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody } + + - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody } + + - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and + IsSimpleParameterList of PropertySetParameterList is false. + + 14.4.1 Static Semantics: Early Errors + + GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody } + GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody } + GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + 14.5.1 Static Semantics: Early Errors + + AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody } + AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody } + AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and + IsSimpleParameterList of FormalParameters is false. + + 14.7.1 Static Semantics: Early Errors + + AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody } + AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody } + AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody } + AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and + IsSimpleParameterList of FormalParameters is false. + + 14.8.1 Static Semantics: Early Errors + + AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody + + - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and + IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false. + +---*/ +$DONOTEVALUATE(); + +0, function([element]) { + "use strict"; +}; diff --git a/js/src/tests/test262/language/expressions/function/browser.js b/js/src/tests/test262/language/expressions/function/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/browser.js diff --git a/js/src/tests/test262/language/expressions/function/dflt-params-abrupt.js b/js/src/tests/test262/language/expressions/function/dflt-params-abrupt.js new file mode 100644 index 0000000000..5660ab125d --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dflt-params-abrupt.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-abrupt.case +// - src/function-forms/error/func-expr.template +/*--- +description: Abrupt completion returned by evaluation of initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 14.1.19 Runtime Semantics: IteratorBindingInitialization + + FormalsList : FormalsList , FormalParameter + + 1. Let status be the result of performing IteratorBindingInitialization for + FormalsList using iteratorRecord and environment as the arguments. + 2. ReturnIfAbrupt(status). + 3. Return the result of performing IteratorBindingInitialization for + FormalParameter using iteratorRecord and environment as the arguments. + +---*/ + +var callCount = 0; +var f; +f = function(_ = (function() { throw new Test262Error(); }())) { + + callCount = callCount + 1; +}; + +assert.throws(Test262Error, function() { + f(); +}); +assert.sameValue(callCount, 0, 'function body not evaluated'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dflt-params-arg-val-not-undefined.js b/js/src/tests/test262/language/expressions/function/dflt-params-arg-val-not-undefined.js new file mode 100644 index 0000000000..bf5a756bfb --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dflt-params-arg-val-not-undefined.js @@ -0,0 +1,87 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-arg-val-not-undefined.case +// - src/function-forms/default/func-expr.template +/*--- +description: Use of initializer when argument value is not `undefined` (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 14.1.19 Runtime Semantics: IteratorBindingInitialization + + FormalsList : FormalsList , FormalParameter + + [...] + 23. Let iteratorRecord be Record {[[Iterator]]: + CreateListIterator(argumentsList), [[Done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + a. Perform ? IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + +---*/ +var obj = {}; +var falseCount = 0; +var stringCount = 0; +var nanCount = 0; +var zeroCount = 0; +var nullCount = 0; +var objCount = 0; + +var callCount = 0; +// Stores a reference `ref` for case evaluation +var ref; +ref = function(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) { + assert.sameValue(aFalse, false); + assert.sameValue(aString, ''); + assert.sameValue(aNaN, NaN); + assert.sameValue(a0, 0); + assert.sameValue(aNull, null); + assert.sameValue(aObj, obj); + callCount = callCount + 1; +}; + +ref(false, '', NaN, 0, null, obj); + +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +assert.sameValue(falseCount, 0, 'initializer not evaluated: false'); +assert.sameValue(stringCount, 0, 'initializer not evaluated: string'); +assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN'); +assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0'); +assert.sameValue(nullCount, 0, 'initializer not evaluated: null'); +assert.sameValue(objCount, 0, 'initializer not evaluated: object'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dflt-params-arg-val-undefined.js b/js/src/tests/test262/language/expressions/function/dflt-params-arg-val-undefined.js new file mode 100644 index 0000000000..ed533c291f --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dflt-params-arg-val-undefined.js @@ -0,0 +1,70 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-arg-val-undefined.case +// - src/function-forms/default/func-expr.template +/*--- +description: Use of initializer when argument value is `undefined` (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 14.1.19 Runtime Semantics: IteratorBindingInitialization + + FormalsList : FormalsList , FormalParameter + + [...] + 23. Let iteratorRecord be Record {[[Iterator]]: + CreateListIterator(argumentsList), [[Done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + a. Perform ? IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + +---*/ + +var callCount = 0; +// Stores a reference `ref` for case evaluation +var ref; +ref = function(fromLiteral = 23, fromExpr = 45, fromHole = 99) { + assert.sameValue(fromLiteral, 23); + assert.sameValue(fromExpr, 45); + assert.sameValue(fromHole, 99); + callCount = callCount + 1; +}; + +ref(undefined, void 0); + +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dflt-params-duplicates.js b/js/src/tests/test262/language/expressions/function/dflt-params-duplicates.js new file mode 100644 index 0000000000..0c10a35d7e --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dflt-params-duplicates.js @@ -0,0 +1,62 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-duplicates.case +// - src/function-forms/syntax/func-expr.template +/*--- +description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [default-parameters] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 14.1.2 Static Semantics: Early Errors + + StrictFormalParameters : FormalParameters + + - It is a Syntax Error if BoundNames of FormalParameters contains any + duplicate elements. + + FormalParameters : FormalParameterList + + - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is + false and BoundNames of FormalParameterList contains any duplicate + elements. + +---*/ +$DONOTEVALUATE(); + +0, function(x = 0, x) { + +}; diff --git a/js/src/tests/test262/language/expressions/function/dflt-params-ref-later.js b/js/src/tests/test262/language/expressions/function/dflt-params-ref-later.js new file mode 100644 index 0000000000..99487a3309 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dflt-params-ref-later.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-ref-later.case +// - src/function-forms/error/func-expr.template +/*--- +description: Referencing a parameter that occurs later in the ParameterList (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 14.1.19 Runtime Semantics: IteratorBindingInitialization + + FormalsList : FormalsList , FormalParameter + + 1. Let status be the result of performing IteratorBindingInitialization for + FormalsList using iteratorRecord and environment as the arguments. + 2. ReturnIfAbrupt(status). + 3. Return the result of performing IteratorBindingInitialization for + FormalParameter using iteratorRecord and environment as the arguments. + +---*/ +var x = 0; + +var callCount = 0; +var f; +f = function(x = y, y) { + + callCount = callCount + 1; +}; + +assert.throws(ReferenceError, function() { + f(); +}); +assert.sameValue(callCount, 0, 'function body not evaluated'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dflt-params-ref-prior.js b/js/src/tests/test262/language/expressions/function/dflt-params-ref-prior.js new file mode 100644 index 0000000000..e9a86c1d58 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dflt-params-ref-prior.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-ref-prior.case +// - src/function-forms/default/func-expr.template +/*--- +description: Referencing a parameter that occurs earlier in the ParameterList (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 14.1.19 Runtime Semantics: IteratorBindingInitialization + + FormalsList : FormalsList , FormalParameter + + 1. Let status be the result of performing IteratorBindingInitialization for + FormalsList using iteratorRecord and environment as the arguments. + 2. ReturnIfAbrupt(status). + 3. Return the result of performing IteratorBindingInitialization for + FormalParameter using iteratorRecord and environment as the arguments. + +---*/ +var x = 0; + +var callCount = 0; +// Stores a reference `ref` for case evaluation +var ref; +ref = function(x, y = x, z = y) { + assert.sameValue(x, 3, 'first argument value'); + assert.sameValue(y, 3, 'second argument value'); + assert.sameValue(z, 3, 'third argument value'); + callCount = callCount + 1; +}; + +ref(3); + +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dflt-params-ref-self.js b/js/src/tests/test262/language/expressions/function/dflt-params-ref-self.js new file mode 100644 index 0000000000..dc35c51de9 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dflt-params-ref-self.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-ref-self.case +// - src/function-forms/error/func-expr.template +/*--- +description: Referencing a parameter from within its own initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 14.1.19 Runtime Semantics: IteratorBindingInitialization + + FormalsList : FormalsList , FormalParameter + + 1. Let status be the result of performing IteratorBindingInitialization for + FormalsList using iteratorRecord and environment as the arguments. + 2. ReturnIfAbrupt(status). + 3. Return the result of performing IteratorBindingInitialization for + FormalParameter using iteratorRecord and environment as the arguments. + +---*/ +var x = 0; + +var callCount = 0; +var f; +f = function(x = x) { + + callCount = callCount + 1; +}; + +assert.throws(ReferenceError, function() { + f(); +}); +assert.sameValue(callCount, 0, 'function body not evaluated'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dflt-params-rest.js b/js/src/tests/test262/language/expressions/function/dflt-params-rest.js new file mode 100644 index 0000000000..faed07a84d --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dflt-params-rest.js @@ -0,0 +1,66 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-rest.case +// - src/function-forms/syntax/func-expr.template +/*--- +description: RestParameter does not support an initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [default-parameters] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 14.1 Function Definitions + + Syntax + + FunctionRestParameter[Yield] : + + BindingRestElement[?Yield] + + 13.3.3 Destructuring Binding Patterns + + Syntax + + BindingRestElement[Yield] : + + ...BindingIdentifier[?Yield] + ...BindingPattern[?Yield] + +---*/ +$DONOTEVALUATE(); + +0, function(...x = []) { + +}; diff --git a/js/src/tests/test262/language/expressions/function/dflt-params-trailing-comma.js b/js/src/tests/test262/language/expressions/function/dflt-params-trailing-comma.js new file mode 100644 index 0000000000..275cb6745f --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dflt-params-trailing-comma.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-trailing-comma.case +// - src/function-forms/default/func-expr.template +/*--- +description: A trailing comma should not increase the respective length, using default parameters (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Trailing comma in the parameters list + + 14.1 Function Definitions + + FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] , +---*/ + +var callCount = 0; +// Stores a reference `ref` for case evaluation +var ref; +ref = function(a, b = 39,) { + assert.sameValue(a, 42); + assert.sameValue(b, 39); + callCount = callCount + 1; +}; + +ref(42, undefined, 1); + +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +assert.sameValue(ref.length, 1, 'length is properly set'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-close.js b/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-close.js new file mode 100644 index 0000000000..ef9cd5e1fa --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-close.js @@ -0,0 +1,74 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-init-iter-close.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Iterator is closed when not exhausted by pattern evaluation (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + [...] + 4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator, + result). + [...] + +---*/ +var doneCallCount = 0; +var iter = {}; +iter[Symbol.iterator] = function() { + return { + next: function() { + return { value: null, done: false }; + }, + return: function() { + doneCallCount += 1; + return {}; + } + }; +}; + +var callCount = 0; +var f; +f = function([x]) { + assert.sameValue(doneCallCount, 1); + callCount = callCount + 1; +}; + +f(iter); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-get-err-array-prototype.js new file mode 100644 index 0000000000..413a4afa13 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-get-err-array-prototype.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Abrupt completion returned by GetIterator (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + 1. Let iteratorRecord be ? GetIterator(value). + + GetIterator ( obj [ , hint [ , method ] ] ) + + [...] + 4. Let iterator be ? Call(method, obj). + + Call ( F, V [ , argumentsList ] ) + + [...] + 2. If IsCallable(F) is false, throw a TypeError exception. + +---*/ +delete Array.prototype[Symbol.iterator]; + +var f = function([x, y, z]) {}; + +assert.throws(TypeError, function() { + f([1, 2, 3]); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-get-err.js b/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-get-err.js new file mode 100644 index 0000000000..f286cb6592 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-get-err.js @@ -0,0 +1,59 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-init-iter-get-err.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Abrupt completion returned by GetIterator (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + 1. Let iterator be GetIterator(value). + 2. ReturnIfAbrupt(iterator). + +---*/ +var iter = {}; +iter[Symbol.iterator] = function() { + throw new Test262Error(); +}; + +var f = function([x]) {}; + +assert.throws(Test262Error, function() { + f(iter); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-no-close.js b/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-no-close.js new file mode 100644 index 0000000000..c0db91a6f5 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-init-iter-no-close.js @@ -0,0 +1,74 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-init-iter-no-close.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Iterator is not closed when exhausted by pattern evaluation (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + [...] + 4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator, + result). + [...] + +---*/ +var doneCallCount = 0; +var iter = {}; +iter[Symbol.iterator] = function() { + return { + next: function() { + return { value: null, done: true }; + }, + return: function() { + doneCallCount += 1; + return {}; + } + }; +}; + +var callCount = 0; +var f; +f = function([x]) { + assert.sameValue(doneCallCount, 0); + callCount = callCount + 1; +}; + +f(iter); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-name-iter-val.js b/js/src/tests/test262/language/expressions/function/dstr/ary-name-iter-val.js new file mode 100644 index 0000000000..0fdfb289ce --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-name-iter-val.js @@ -0,0 +1,73 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-name-iter-val.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding with normal value iteration (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + [...] + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set + iteratorRecord.[[done]] to true. + iii. ReturnIfAbrupt(v). + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x, y, z]) { + assert.sameValue(x, 1); + assert.sameValue(y, 2); + assert.sameValue(z, 3); + callCount = callCount + 1; +}; + +f([1, 2, 3]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elem-init.js new file mode 100644 index 0000000000..cf0aef0802 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elem-init.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with array binding pattern and initializer is used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([[x, y, z] = [4, 5, 6]]) { + assert.sameValue(x, 4); + assert.sameValue(y, 5); + assert.sameValue(z, 6); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elem-iter.js new file mode 100644 index 0000000000..19c1d07954 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elem-iter.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with array binding pattern and initializer is not used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + [...] + e. Else, + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([[x, y, z] = [4, 5, 6]]) { + assert.sameValue(x, 7); + assert.sameValue(y, 8); + assert.sameValue(z, 9); + callCount = callCount + 1; +}; + +f([[7, 8, 9]]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elision-init.js new file mode 100644 index 0000000000..454db5252e --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elision-init.js @@ -0,0 +1,72 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with array binding pattern and initializer is used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + +---*/ +var first = 0; +var second = 0; +function* g() { + first += 1; + yield; + second += 1; +}; + +var callCount = 0; +var f; +f = function([[,] = g()]) { + assert.sameValue(first, 1); + assert.sameValue(second, 0); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elision-iter.js new file mode 100644 index 0000000000..e2450a165b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-elision-iter.js @@ -0,0 +1,69 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with array binding pattern and initializer is not used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + [...] + e. Else, + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + +---*/ +var callCount = 0; +function* g() { + callCount += 1; +}; + +var callCount = 0; +var f; +f = function([[,] = g()]) { + assert.sameValue(callCount, 0); + callCount = callCount + 1; +}; + +f([[]]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-empty-init.js new file mode 100644 index 0000000000..1401ae634b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-empty-init.js @@ -0,0 +1,68 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with array binding pattern and initializer is used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + +---*/ +var initCount = 0; +var iterCount = 0; +var iter = function*() { iterCount += 1; }(); + +var callCount = 0; +var f; +f = function([[] = function() { initCount += 1; return iter; }()]) { + assert.sameValue(initCount, 1); + assert.sameValue(iterCount, 0); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-empty-iter.js new file mode 100644 index 0000000000..41141e6a47 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-empty-iter.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with array binding pattern and initializer is not used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + [...] + e. Else, + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ +var initCount = 0; + +var callCount = 0; +var f; +f = function([[] = function() { initCount += 1; }()]) { + assert.sameValue(initCount, 0); + callCount = callCount + 1; +}; + +f([[23]]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-rest-init.js new file mode 100644 index 0000000000..344413a860 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-rest-init.js @@ -0,0 +1,69 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with array binding pattern and initializer is used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ +var values = [2, 1, 3]; + +var callCount = 0; +var f; +f = function([[...x] = values]) { + assert(Array.isArray(x)); + assert.sameValue(x[0], 2); + assert.sameValue(x[1], 1); + assert.sameValue(x[2], 3); + assert.sameValue(x.length, 3); + assert.notSameValue(x, values); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-rest-iter.js new file mode 100644 index 0000000000..19ddb663f0 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-rest-iter.js @@ -0,0 +1,72 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with array binding pattern and initializer is not used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + [...] + e. Else, + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ +var values = [2, 1, 3]; +var initCount = 0; + +var callCount = 0; +var f; +f = function([[...x] = function() { initCount += 1; }()]) { + assert(Array.isArray(x)); + assert.sameValue(x[0], 2); + assert.sameValue(x[1], 1); + assert.sameValue(x[2], 3); + assert.sameValue(x.length, 3); + assert.notSameValue(x, values); + assert.sameValue(initCount, 0); + callCount = callCount + 1; +}; + +f([values]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-val-null.js new file mode 100644 index 0000000000..1314c9664f --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-ary-val-null.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Nested array destructuring with a null value (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPattern Initializeropt + + 1. If iteratorRecord.[[done]] is false, then + [...] + e. Else + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + 1. Let iterator be GetIterator(value). + 2. ReturnIfAbrupt(iterator). +---*/ + +var f = function([[x]]) {}; + +assert.throws(TypeError, function() { + f([null]); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-exhausted.js new file mode 100644 index 0000000000..733d89fe4e --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-exhausted.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Destructuring initializer with an exhausted iterator (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 5. If iteratorRecord.[[done]] is true, let v be undefined. + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x = 23]) { + assert.sameValue(x, 23); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-arrow.js new file mode 100644 index 0000000000..8e3e750011 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-arrow.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding does assign name to arrow functions (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([arrow = () => {}]) { + assert.sameValue(arrow.name, 'arrow'); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-class.js new file mode 100644 index 0000000000..315d4c8538 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-class.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding assigns `name` to "anonymous" classes (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) { + assert.sameValue(cls.name, 'cls'); + assert.notSameValue(xCls.name, 'xCls'); + assert.notSameValue(xCls2.name, 'xCls2'); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-cover.js new file mode 100644 index 0000000000..c7cdb8f3eb --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-cover.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([cover = (function () {}), xCover = (0, function() {})]) { + assert.sameValue(cover.name, 'cover'); + assert.notSameValue(xCover.name, 'xCover'); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-fn.js new file mode 100644 index 0000000000..22ee936236 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-fn.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding assigns name to "anonymous" functions (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([fn = function () {}, xFn = function x() {}]) { + assert.sameValue(fn.name, 'fn'); + assert.notSameValue(xFn.name, 'xFn'); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-gen.js new file mode 100644 index 0000000000..c9624b4eec --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-gen.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding assigns name to "anonymous" generator functions (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). + +---*/ + +var callCount = 0; +var f; +f = function([gen = function* () {}, xGen = function* x() {}]) { + assert.sameValue(gen.name, 'gen'); + assert.notSameValue(xGen.name, 'xGen'); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-hole.js new file mode 100644 index 0000000000..bbbd4daed1 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-hole.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Destructuring initializer with a "hole" (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + SingleNameBinding : BindingIdentifier Initializeropt + [...] 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + [...] + 7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x = 23]) { + assert.sameValue(x, 23); + // another statement + callCount = callCount + 1; +}; + +f([,]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-skipped.js new file mode 100644 index 0000000000..abe552c186 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-skipped.js @@ -0,0 +1,69 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Destructuring initializer is not evaluated when value is not `undefined` (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ +var initCount = 0; +function counter() { + initCount += 1; +} + +var callCount = 0; +var f; +f = function([w = counter(), x = counter(), y = counter(), z = counter()]) { + assert.sameValue(w, null); + assert.sameValue(x, 0); + assert.sameValue(y, false); + assert.sameValue(z, ''); + assert.sameValue(initCount, 0); + callCount = callCount + 1; +}; + +f([null, 0, false, '']); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-throws.js new file mode 100644 index 0000000000..e27197f2e9 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-throws.js @@ -0,0 +1,57 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Destructuring initializer returns an abrupt completion (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). +---*/ + +var f = function([x = (function() { throw new Test262Error(); })()]) {}; + +assert.throws(Test262Error, function() { + f([undefined]); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-undef.js new file mode 100644 index 0000000000..a746086945 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-undef.js @@ -0,0 +1,63 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Destructuring initializer with an undefined value (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x = 23]) { + assert.sameValue(x, 23); + callCount = callCount + 1; +}; + +f([undefined]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-unresolvable.js new file mode 100644 index 0000000000..f095fdb598 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-init-unresolvable.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Destructuring initializer is an unresolvable reference (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + + 6.2.3.1 GetValue (V) + + 1. ReturnIfAbrupt(V). + 2. If Type(V) is not Reference, return V. + 3. Let base be GetBase(V). + 4. If IsUnresolvableReference(V), throw a ReferenceError exception. +---*/ + +var f = function([ x = unresolvableReference ]) {}; + +assert.throws(ReferenceError, function() { + f([]); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-complete.js new file mode 100644 index 0000000000..6e03774969 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-complete.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding when value iteration completes (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + [...] + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x]) { + assert.sameValue(x, undefined); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-done.js new file mode 100644 index 0000000000..f95c31ee9a --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-done.js @@ -0,0 +1,62 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding when value iteration was completed previously (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + [...] + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([_, x]) { + assert.sameValue(x, undefined); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-step-err.js new file mode 100644 index 0000000000..d40ff3a244 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-step-err.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Error forwarding when IteratorStep returns an abrupt completion (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + +---*/ +var g = {}; +g[Symbol.iterator] = function() { + return { + next: function() { + throw new Test262Error(); + } + }; +}; + +var f = function([x]) {}; + +assert.throws(Test262Error, function() { + f(g); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-val-array-prototype.js new file mode 100644 index 0000000000..f918ba42ed --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-val-array-prototype.js @@ -0,0 +1,83 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializer_opt + + 1. Let bindingId be StringValue of BindingIdentifier. + 2. Let lhs be ? ResolveBinding(bindingId, environment). + 3. If iteratorRecord.[[Done]] is false, then + a. Let next be IteratorStep(iteratorRecord). + b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[Done]] to true. + e. Else, + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true. + iii. ReturnIfAbrupt(v). + [...] + 7. Return InitializeReferencedBinding(lhs, v). + +---*/ +Array.prototype[Symbol.iterator] = function* () { + if (this.length > 0) { + yield this[0]; + } + if (this.length > 1) { + yield this[1]; + } + if (this.length > 2) { + yield 42; + } +}; + +var callCount = 0; +var f; +f = function([x, y, z]) { + assert.sameValue(x, 1); + assert.sameValue(y, 2); + assert.sameValue(z, 42); + callCount = callCount + 1; +}; + +f([1, 2, 3]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-val-err.js new file mode 100644 index 0000000000..0a960f1b37 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-val-err.js @@ -0,0 +1,77 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Error forwarding when IteratorValue returns an abrupt completion (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set iteratorRecord.[[done]] to + true. + iii. ReturnIfAbrupt(v). + +---*/ +var poisonedValue = Object.defineProperty({}, 'value', { + get: function() { + throw new Test262Error(); + } +}); +var g = {}; +g[Symbol.iterator] = function() { + return { + next: function() { + return poisonedValue; + } + }; +}; + +var f = function([x]) {}; + +assert.throws(Test262Error, function() { + f(g); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-val.js new file mode 100644 index 0000000000..5ec9c6c814 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-id-iter-val.js @@ -0,0 +1,73 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding when value iteration was completed previously (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + [...] + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set + iteratorRecord.[[done]] to true. + iii. ReturnIfAbrupt(v). + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x, y, z]) { + assert.sameValue(x, 1); + assert.sameValue(y, 2); + assert.sameValue(z, 3); + callCount = callCount + 1; +}; + +f([1, 2, 3]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-id-init.js new file mode 100644 index 0000000000..07bdf9def8 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-id-init.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with object binding pattern and initializer is used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([{ x, y, z } = { x: 44, y: 55, z: 66 }]) { + assert.sameValue(x, 44); + assert.sameValue(y, 55); + assert.sameValue(z, 66); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-id.js new file mode 100644 index 0000000000..b1b3746689 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-id.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-id.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with object binding pattern and initializer is not used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([{ x, y, z } = { x: 44, y: 55, z: 66 }]) { + assert.sameValue(x, 11); + assert.sameValue(y, 22); + assert.sameValue(z, 33); + callCount = callCount + 1; +}; + +f([{ x: 11, y: 22, z: 33 }]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-prop-id-init.js new file mode 100644 index 0000000000..4376ca8cb7 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-prop-id-init.js @@ -0,0 +1,75 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with object binding pattern and initializer is used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) { + assert.sameValue(v, 444); + assert.sameValue(x, 555); + assert.sameValue(z, 666); + + assert.throws(ReferenceError, function() { + u; + }); + assert.throws(ReferenceError, function() { + w; + }); + assert.throws(ReferenceError, function() { + y; + }); + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-prop-id.js new file mode 100644 index 0000000000..ba873ba4e9 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-prop-id.js @@ -0,0 +1,75 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: BindingElement with object binding pattern and initializer is not used (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) { + assert.sameValue(v, 777); + assert.sameValue(x, 888); + assert.sameValue(z, 999); + + assert.throws(ReferenceError, function() { + u; + }); + assert.throws(ReferenceError, function() { + w; + }); + assert.throws(ReferenceError, function() { + y; + }); + callCount = callCount + 1; +}; + +f([{ u: 777, w: 888, y: 999 }]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-val-null.js new file mode 100644 index 0000000000..e6e7ef21ff --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-val-null.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Nested object destructuring with a null value (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPattern Initializeropt + + 1. If iteratorRecord.[[done]] is false, then + [...] + e. Else + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ObjectBindingPattern + + 1. Let valid be RequireObjectCoercible(value). + 2. ReturnIfAbrupt(valid). +---*/ + +var f = function([{ x }]) {}; + +assert.throws(TypeError, function() { + f([null]); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-val-undef.js new file mode 100644 index 0000000000..a511091446 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elem-obj-val-undef.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Nested object destructuring with a value of `undefined` (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPattern Initializeropt + + 1. If iteratorRecord.[[done]] is false, then + [...] + e. Else + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ObjectBindingPattern + + 1. Let valid be RequireObjectCoercible(value). + 2. ReturnIfAbrupt(valid). +---*/ + +var f = function([{ x }]) {}; + +assert.throws(TypeError, function() { + f([]); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elision-exhausted.js new file mode 100644 index 0000000000..f601a84a67 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elision-exhausted.js @@ -0,0 +1,70 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elision-exhausted.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Elision accepts exhausted iterator (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ Elision ] + + 1. Return the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord + as the argument. + + 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation + + Elision : , + + 1. If iteratorRecord.[[done]] is false, then + [...] + 2. Return NormalCompletion(empty). + +---*/ +var iter = function*() {}(); +iter.next(); + +var callCount = 0; +var f; +f = function([,]) { + + callCount = callCount + 1; +}; + +f(iter); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elision-step-err.js new file mode 100644 index 0000000000..7f1fc5107c --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elision-step-err.js @@ -0,0 +1,73 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elision-step-err.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Elision advances iterator and forwards abrupt completions (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ Elision ] + + 1. Return the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord + as the argument. + + 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation + + Elision : , + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + +---*/ +var following = 0; +var iter =function* () { + throw new Test262Error(); + following += 1; +}(); + +var f = function([,]) {}; + +assert.throws(Test262Error, function() { + f(iter); +}); + +iter.next(); +assert.sameValue(following, 0, 'Iterator was properly closed.'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elision.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elision.js new file mode 100644 index 0000000000..f214aac224 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-elision.js @@ -0,0 +1,79 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elision.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Elision advances iterator (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ Elision ] + + 1. Return the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord + as the argument. + + 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation + + Elision : , + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + 2. Return NormalCompletion(empty). + +---*/ +var first = 0; +var second = 0; +function* g() { + first += 1; + yield; + second += 1; +}; + +var callCount = 0; +var f; +f = function([,]) { + assert.sameValue(first, 1); + assert.sameValue(second, 0); + callCount = callCount + 1; +}; + +f(g()); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-empty.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-empty.js new file mode 100644 index 0000000000..c924d6b660 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-empty.js @@ -0,0 +1,62 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-empty.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: No iteration occurs for an "empty" array binding pattern (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ ] + + 1. Return NormalCompletion(empty). + +---*/ +var iterations = 0; +var iter = function*() { + iterations += 1; +}(); + +var callCount = 0; +var f; +f = function([]) { + assert.sameValue(iterations, 0); + callCount = callCount + 1; +}; + +f(iter); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-elem.js new file mode 100644 index 0000000000..75abfebf36 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-elem.js @@ -0,0 +1,86 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-elem.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element containing an array BindingElementList pattern (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + [...] + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set + iteratorRecord.[[done]] to true. + iii. ReturnIfAbrupt(v). + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([...[x, y, z]]) { + assert.sameValue(x, 3); + assert.sameValue(y, 4); + assert.sameValue(z, 5); + callCount = callCount + 1; +}; + +f([3, 4, 5]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-elision.js new file mode 100644 index 0000000000..9cfcb0e536 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-elision.js @@ -0,0 +1,92 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-elision.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element containing an elision (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ Elision ] + + 1. Return the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord + as the argument. + + 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation + + Elision : , + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + 2. Return NormalCompletion(empty). + +---*/ +var first = 0; +var second = 0; +function* g() { + first += 1; + yield; + second += 1; +}; + +var callCount = 0; +var f; +f = function([...[,]]) { + assert.sameValue(first, 1); + assert.sameValue(second, 1); + callCount = callCount + 1; +}; + +f(g()); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-empty.js new file mode 100644 index 0000000000..0a7ca0e09b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-empty.js @@ -0,0 +1,75 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-empty.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element containing an "empty" array pattern (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ ] + + 1. Return NormalCompletion(empty). + +---*/ +var iterations = 0; +var iter = function*() { + iterations += 1; +}(); + +var callCount = 0; +var f; +f = function([...[]]) { + assert.sameValue(iterations, 1); + callCount = callCount + 1; +}; + +f(iter); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-rest.js new file mode 100644 index 0000000000..afc6fedad8 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-ary-rest.js @@ -0,0 +1,71 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-rest.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element containing a rest element (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] +---*/ +var values = [1, 2, 3]; + +var callCount = 0; +var f; +f = function([...[...x]]) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 3); + assert.sameValue(x[0], 1); + assert.sameValue(x[1], 2); + assert.sameValue(x[2], 3); + assert.notSameValue(x, values); + + callCount = callCount + 1; +}; + +f(values); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-direct.js new file mode 100644 index 0000000000..a91ae6cebe --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-direct.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-direct.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Lone rest element (direct binding) (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +includes: [compareArray.js] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingIdentifier + + [...] + 2. Let A be ! ArrayCreate(0). + 3. Let n be 0. + 4. Repeat, + [...] + f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue). + g. Set n to n + 1. + +---*/ + +var callCount = 0; +var f; +f = function([...x]) { + assert(Array.isArray(x)); + assert.compareArray(x, [1]); + callCount = callCount + 1; +}; + +f([1]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-elision-next-err.js new file mode 100644 index 0000000000..90c16c0c75 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-elision-next-err.js @@ -0,0 +1,59 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Rest element following elision elements (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + ArrayBindingPattern : [ Elisionopt BindingRestElement ] + 1. If Elision is present, then + a. Let status be the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with + iteratorRecord as the argument. + b. ReturnIfAbrupt(status). + 2. Return the result of performing IteratorBindingInitialization for + BindingRestElement with iteratorRecord and environment as arguments. + +---*/ +var iter = (function*() { throw new Test262Error(); })(); + +var f = function([, ...x]) {}; + +assert.throws(Test262Error, function() { + f(iter); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-elision.js new file mode 100644 index 0000000000..2c737d7500 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-elision.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-elision.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element following elision elements (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + ArrayBindingPattern : [ Elisionopt BindingRestElement ] + 1. If Elision is present, then + a. Let status be the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with + iteratorRecord as the argument. + b. ReturnIfAbrupt(status). + 2. Return the result of performing IteratorBindingInitialization for + BindingRestElement with iteratorRecord and environment as arguments. +---*/ +var values = [1, 2, 3, 4, 5]; + +var callCount = 0; +var f; +f = function([ , , ...x]) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 3); + assert.sameValue(x[0], 3); + assert.sameValue(x[1], 4); + assert.sameValue(x[2], 5); + assert.notSameValue(x, values); + callCount = callCount + 1; +}; + +f(values); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-exhausted.js new file mode 100644 index 0000000000..7bc02a7e6d --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-exhausted.js @@ -0,0 +1,63 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: RestElement applied to an exhausted iterator (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + BindingRestElement : ... BindingIdentifier + 1. Let lhs be ResolveBinding(StringValue of BindingIdentifier, + environment). + 2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat, + [...] + b. If iteratorRecord.[[done]] is true, then + i. If environment is undefined, return PutValue(lhs, A). + ii. Return InitializeReferencedBinding(lhs, A). + +---*/ + +var callCount = 0; +var f; +f = function([, , ...x]) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 0); + callCount = callCount + 1; +}; + +f([1, 2]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-iter-step-err.js new file mode 100644 index 0000000000..6af9a53058 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-iter-step-err.js @@ -0,0 +1,70 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Error forwarding when IteratorStep returns an abrupt completion (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + BindingRestElement : ... BindingIdentifier + 1. Let lhs be ResolveBinding(StringValue of BindingIdentifier, + environment). + 2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat, + a. If iteratorRecord.[[done]] is false, + i. Let next be IteratorStep(iteratorRecord.[[iterator]]). + ii. If next is an abrupt completion, set iteratorRecord.[[done]] to + true. + iii. ReturnIfAbrupt(next). + +---*/ +var first = 0; +var second = 0; +var iter = function*() { + first += 1; + throw new Test262Error(); + second += 1; +}(); + +var f = function([...x]) {}; + +assert.throws(Test262Error, function() { + f(iter); +}); + +iter.next(); +assert.sameValue(first, 1); +assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-iter-val-err.js new file mode 100644 index 0000000000..cbd5d774b4 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id-iter-val-err.js @@ -0,0 +1,72 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Error forwarding when IteratorValue returns an abrupt completion (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + BindingRestElement : ... BindingIdentifier + 1. Let lhs be ResolveBinding(StringValue of BindingIdentifier, + environment). + 2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat, + [...] + c. Let nextValue be IteratorValue(next). + d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to + true. + e. ReturnIfAbrupt(nextValue). + +---*/ +var poisonedValue = Object.defineProperty({}, 'value', { + get: function() { + throw new Test262Error(); + } +}); +var iter = {}; +iter[Symbol.iterator] = function() { + return { + next: function() { + return poisonedValue; + } + }; +}; + +var f = function([...x]) {}; + +assert.throws(Test262Error, function() { + f(iter); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id.js new file mode 100644 index 0000000000..3d82f6f874 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-id.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Lone rest element (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + BindingRestElement : ... BindingIdentifier + [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat + [...] + f. Let status be CreateDataProperty(A, ToString (n), nextValue). + [...] +---*/ +var values = [1, 2, 3]; + +var callCount = 0; +var f; +f = function([...x]) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 3); + assert.sameValue(x[0], 1); + assert.sameValue(x[1], 2); + assert.sameValue(x[2], 3); + assert.notSameValue(x, values); + callCount = callCount + 1; +}; + +f(values); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-init-ary.js new file mode 100644 index 0000000000..5bec964c48 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-init-ary.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-init-ary.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element (nested array pattern) does not support initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...[ x ] = []]) { + + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-init-id.js new file mode 100644 index 0000000000..9073e2938a --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-init-id.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-init-id.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element (identifier) does not support initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...x = []]) { + + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-init-obj.js new file mode 100644 index 0000000000..011a6bf0b7 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-init-obj.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-init-obj.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element (nested object pattern) does not support initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...{ x } = []]) { + + callCount = callCount + 1; +}; + +f([]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-not-final-ary.js new file mode 100644 index 0000000000..8f08fcc3f8 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-not-final-ary.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element (array binding pattern) may not be followed by any element (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...[x], y]) { + + callCount = callCount + 1; +}; + +f([1, 2, 3]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-not-final-id.js new file mode 100644 index 0000000000..1c036150d6 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-not-final-id.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-not-final-id.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element (identifier) may not be followed by any element (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...x, y]) { + + callCount = callCount + 1; +}; + +f([1, 2, 3]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-not-final-obj.js new file mode 100644 index 0000000000..d64f4630fc --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-not-final-obj.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element (object binding pattern) may not be followed by any element (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...{ x }, y]) { + + callCount = callCount + 1; +}; + +f([1, 2, 3]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-obj-id.js new file mode 100644 index 0000000000..b571068c3b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-obj-id.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-obj-id.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element containing an object binding pattern (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] +---*/ + +var callCount = 0; +var f; +f = function([...{ length }]) { + assert.sameValue(length, 3); + callCount = callCount + 1; +}; + +f([1, 2, 3]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-obj-prop-id.js new file mode 100644 index 0000000000..1d659a2a31 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/ary-ptrn-rest-obj-prop-id.js @@ -0,0 +1,71 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest element containing an object binding pattern (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] +---*/ +let length = "outer"; + +var callCount = 0; +var f; +f = function([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) { + assert.sameValue(v, 7); + assert.sameValue(w, 8); + assert.sameValue(x, 9); + assert.sameValue(y, undefined); + assert.sameValue(z, 3); + + assert.sameValue(length, "outer", "the length prop is not set as a binding name"); + callCount = callCount + 1; +}; + +f([7, 8, 9]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/browser.js b/js/src/tests/test262/language/expressions/function/dstr/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/browser.js diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-close.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-close.js new file mode 100644 index 0000000000..5a7cd2f3bd --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-close.js @@ -0,0 +1,74 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-init-iter-close.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Iterator is closed when not exhausted by pattern evaluation (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + [...] + 4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator, + result). + [...] + +---*/ +var doneCallCount = 0; +var iter = {}; +iter[Symbol.iterator] = function() { + return { + next: function() { + return { value: null, done: false }; + }, + return: function() { + doneCallCount += 1; + return {}; + } + }; +}; + +var callCount = 0; +var f; +f = function([x] = iter) { + assert.sameValue(doneCallCount, 1); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-get-err-array-prototype.js new file mode 100644 index 0000000000..0677758d61 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-get-err-array-prototype.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Abrupt completion returned by GetIterator (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + 1. Let iteratorRecord be ? GetIterator(value). + + GetIterator ( obj [ , hint [ , method ] ] ) + + [...] + 4. Let iterator be ? Call(method, obj). + + Call ( F, V [ , argumentsList ] ) + + [...] + 2. If IsCallable(F) is false, throw a TypeError exception. + +---*/ +delete Array.prototype[Symbol.iterator]; + +var f = function([x, y, z] = [1, 2, 3]) {}; + +assert.throws(TypeError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-get-err.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-get-err.js new file mode 100644 index 0000000000..2434f8b0f5 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-get-err.js @@ -0,0 +1,59 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-init-iter-get-err.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Abrupt completion returned by GetIterator (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + 1. Let iterator be GetIterator(value). + 2. ReturnIfAbrupt(iterator). + +---*/ +var iter = {}; +iter[Symbol.iterator] = function() { + throw new Test262Error(); +}; + +var f = function([x] = iter) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-no-close.js new file mode 100644 index 0000000000..1dbe14c4bf --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-init-iter-no-close.js @@ -0,0 +1,74 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-init-iter-no-close.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Iterator is not closed when exhausted by pattern evaluation (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + [...] + 4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator, + result). + [...] + +---*/ +var doneCallCount = 0; +var iter = {}; +iter[Symbol.iterator] = function() { + return { + next: function() { + return { value: null, done: true }; + }, + return: function() { + doneCallCount += 1; + return {}; + } + }; +}; + +var callCount = 0; +var f; +f = function([x] = iter) { + assert.sameValue(doneCallCount, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-name-iter-val.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-name-iter-val.js new file mode 100644 index 0000000000..7d286a97b8 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-name-iter-val.js @@ -0,0 +1,73 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-name-iter-val.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding with normal value iteration (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + [...] + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set + iteratorRecord.[[done]] to true. + iii. ReturnIfAbrupt(v). + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x, y, z] = [1, 2, 3]) { + assert.sameValue(x, 1); + assert.sameValue(y, 2); + assert.sameValue(z, 3); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elem-init.js new file mode 100644 index 0000000000..bb53c433ea --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elem-init.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with array binding pattern and initializer is used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([[x, y, z] = [4, 5, 6]] = []) { + assert.sameValue(x, 4); + assert.sameValue(y, 5); + assert.sameValue(z, 6); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elem-iter.js new file mode 100644 index 0000000000..0a7410d00c --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elem-iter.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with array binding pattern and initializer is not used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + [...] + e. Else, + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) { + assert.sameValue(x, 7); + assert.sameValue(y, 8); + assert.sameValue(z, 9); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elision-init.js new file mode 100644 index 0000000000..60a88a0839 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elision-init.js @@ -0,0 +1,72 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with array binding pattern and initializer is used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + +---*/ +var first = 0; +var second = 0; +function* g() { + first += 1; + yield; + second += 1; +}; + +var callCount = 0; +var f; +f = function([[,] = g()] = []) { + assert.sameValue(first, 1); + assert.sameValue(second, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elision-iter.js new file mode 100644 index 0000000000..e9e472a0ae --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-elision-iter.js @@ -0,0 +1,69 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with array binding pattern and initializer is not used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + [...] + e. Else, + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + +---*/ +var callCount = 0; +function* g() { + callCount += 1; +}; + +var callCount = 0; +var f; +f = function([[,] = g()] = [[]]) { + assert.sameValue(callCount, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-empty-init.js new file mode 100644 index 0000000000..bd8f7aad3e --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-empty-init.js @@ -0,0 +1,68 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with array binding pattern and initializer is used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + +---*/ +var initCount = 0; +var iterCount = 0; +var iter = function*() { iterCount += 1; }(); + +var callCount = 0; +var f; +f = function([[] = function() { initCount += 1; return iter; }()] = []) { + assert.sameValue(initCount, 1); + assert.sameValue(iterCount, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-empty-iter.js new file mode 100644 index 0000000000..63b693e69a --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-empty-iter.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with array binding pattern and initializer is not used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + [...] + e. Else, + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ +var initCount = 0; + +var callCount = 0; +var f; +f = function([[] = function() { initCount += 1; }()] = [[23]]) { + assert.sameValue(initCount, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-rest-init.js new file mode 100644 index 0000000000..f053301274 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-rest-init.js @@ -0,0 +1,69 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with array binding pattern and initializer is used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ +var values = [2, 1, 3]; + +var callCount = 0; +var f; +f = function([[...x] = values] = []) { + assert(Array.isArray(x)); + assert.sameValue(x[0], 2); + assert.sameValue(x[1], 1); + assert.sameValue(x[2], 3); + assert.sameValue(x.length, 3); + assert.notSameValue(x, values); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-rest-iter.js new file mode 100644 index 0000000000..36e814c2e8 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-rest-iter.js @@ -0,0 +1,72 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with array binding pattern and initializer is not used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + [...] + e. Else, + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ +var values = [2, 1, 3]; +var initCount = 0; + +var callCount = 0; +var f; +f = function([[...x] = function() { initCount += 1; }()] = [values]) { + assert(Array.isArray(x)); + assert.sameValue(x[0], 2); + assert.sameValue(x[1], 1); + assert.sameValue(x[2], 3); + assert.sameValue(x.length, 3); + assert.notSameValue(x, values); + assert.sameValue(initCount, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-val-null.js new file mode 100644 index 0000000000..ea52caf041 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-ary-val-null.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Nested array destructuring with a null value (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPattern Initializeropt + + 1. If iteratorRecord.[[done]] is false, then + [...] + e. Else + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + 1. Let iterator be GetIterator(value). + 2. ReturnIfAbrupt(iterator). +---*/ + +var f = function([[x]] = [null]) {}; + +assert.throws(TypeError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-exhausted.js new file mode 100644 index 0000000000..9ab1e72d91 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-exhausted.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Destructuring initializer with an exhausted iterator (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 5. If iteratorRecord.[[done]] is true, let v be undefined. + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x = 23] = []) { + assert.sameValue(x, 23); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-arrow.js new file mode 100644 index 0000000000..606879c24d --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-arrow.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding does assign name to arrow functions (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([arrow = () => {}] = []) { + assert.sameValue(arrow.name, 'arrow'); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-class.js new file mode 100644 index 0000000000..e455100f33 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-class.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding assigns `name` to "anonymous" classes (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) { + assert.sameValue(cls.name, 'cls'); + assert.notSameValue(xCls.name, 'xCls'); + assert.notSameValue(xCls2.name, 'xCls2'); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-cover.js new file mode 100644 index 0000000000..303a7ff91b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-cover.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([cover = (function () {}), xCover = (0, function() {})] = []) { + assert.sameValue(cover.name, 'cover'); + assert.notSameValue(xCover.name, 'xCover'); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-fn.js new file mode 100644 index 0000000000..b26b8018be --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-fn.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding assigns name to "anonymous" functions (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([fn = function () {}, xFn = function x() {}] = []) { + assert.sameValue(fn.name, 'fn'); + assert.notSameValue(xFn.name, 'xFn'); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-gen.js new file mode 100644 index 0000000000..1292b732c4 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-gen.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding assigns name to "anonymous" generator functions (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). + +---*/ + +var callCount = 0; +var f; +f = function([gen = function* () {}, xGen = function* x() {}] = []) { + assert.sameValue(gen.name, 'gen'); + assert.notSameValue(xGen.name, 'xGen'); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-hole.js new file mode 100644 index 0000000000..615c76fe1c --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-hole.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Destructuring initializer with a "hole" (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + SingleNameBinding : BindingIdentifier Initializeropt + [...] 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + [...] + 7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x = 23] = [,]) { + assert.sameValue(x, 23); + // another statement + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-skipped.js new file mode 100644 index 0000000000..7f383fd9c7 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-skipped.js @@ -0,0 +1,69 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Destructuring initializer is not evaluated when value is not `undefined` (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ +var initCount = 0; +function counter() { + initCount += 1; +} + +var callCount = 0; +var f; +f = function([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) { + assert.sameValue(w, null); + assert.sameValue(x, 0); + assert.sameValue(y, false); + assert.sameValue(z, ''); + assert.sameValue(initCount, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-throws.js new file mode 100644 index 0000000000..ce744fd4da --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-throws.js @@ -0,0 +1,57 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Destructuring initializer returns an abrupt completion (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). +---*/ + +var f = function([x = (function() { throw new Test262Error(); })()] = [undefined]) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-undef.js new file mode 100644 index 0000000000..06cbd9f0d6 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-undef.js @@ -0,0 +1,63 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Destructuring initializer with an undefined value (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x = 23] = [undefined]) { + assert.sameValue(x, 23); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-unresolvable.js new file mode 100644 index 0000000000..4dd14270f3 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-unresolvable.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Destructuring initializer is an unresolvable reference (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + + 6.2.3.1 GetValue (V) + + 1. ReturnIfAbrupt(V). + 2. If Type(V) is not Reference, return V. + 3. Let base be GetBase(V). + 4. If IsUnresolvableReference(V), throw a ReferenceError exception. +---*/ + +var f = function([ x = unresolvableReference ] = []) {}; + +assert.throws(ReferenceError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-complete.js new file mode 100644 index 0000000000..f93c353849 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-complete.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding when value iteration completes (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + [...] + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x] = []) { + assert.sameValue(x, undefined); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-done.js new file mode 100644 index 0000000000..b79a097fb7 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-done.js @@ -0,0 +1,62 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding when value iteration was completed previously (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + [...] + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([_, x] = []) { + assert.sameValue(x, undefined); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-step-err.js new file mode 100644 index 0000000000..77c450f310 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-step-err.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Error forwarding when IteratorStep returns an abrupt completion (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + +---*/ +var g = {}; +g[Symbol.iterator] = function() { + return { + next: function() { + throw new Test262Error(); + } + }; +}; + +var f = function([x] = g) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-val-array-prototype.js new file mode 100644 index 0000000000..64234cc410 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-val-array-prototype.js @@ -0,0 +1,83 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializer_opt + + 1. Let bindingId be StringValue of BindingIdentifier. + 2. Let lhs be ? ResolveBinding(bindingId, environment). + 3. If iteratorRecord.[[Done]] is false, then + a. Let next be IteratorStep(iteratorRecord). + b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[Done]] to true. + e. Else, + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true. + iii. ReturnIfAbrupt(v). + [...] + 7. Return InitializeReferencedBinding(lhs, v). + +---*/ +Array.prototype[Symbol.iterator] = function* () { + if (this.length > 0) { + yield this[0]; + } + if (this.length > 1) { + yield this[1]; + } + if (this.length > 2) { + yield 42; + } +}; + +var callCount = 0; +var f; +f = function([x, y, z] = [1, 2, 3]) { + assert.sameValue(x, 1); + assert.sameValue(y, 2); + assert.sameValue(z, 42); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-val-err.js new file mode 100644 index 0000000000..3898e00d48 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-val-err.js @@ -0,0 +1,77 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Error forwarding when IteratorValue returns an abrupt completion (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set iteratorRecord.[[done]] to + true. + iii. ReturnIfAbrupt(v). + +---*/ +var poisonedValue = Object.defineProperty({}, 'value', { + get: function() { + throw new Test262Error(); + } +}); +var g = {}; +g[Symbol.iterator] = function() { + return { + next: function() { + return poisonedValue; + } + }; +}; + +var f = function([x] = g) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-val.js new file mode 100644 index 0000000000..75a456f786 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-iter-val.js @@ -0,0 +1,73 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding when value iteration was completed previously (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + [...] + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set + iteratorRecord.[[done]] to true. + iii. ReturnIfAbrupt(v). + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([x, y, z] = [1, 2, 3]) { + assert.sameValue(x, 1); + assert.sameValue(y, 2); + assert.sameValue(z, 3); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-id-init.js new file mode 100644 index 0000000000..d5da147760 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-id-init.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with object binding pattern and initializer is used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) { + assert.sameValue(x, 44); + assert.sameValue(y, 55); + assert.sameValue(z, 66); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-id.js new file mode 100644 index 0000000000..4f704d2995 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-id.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-id.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with object binding pattern and initializer is not used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) { + assert.sameValue(x, 11); + assert.sameValue(y, 22); + assert.sameValue(z, 33); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-prop-id-init.js new file mode 100644 index 0000000000..9ba50914cb --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-prop-id-init.js @@ -0,0 +1,75 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with object binding pattern and initializer is used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) { + assert.sameValue(v, 444); + assert.sameValue(x, 555); + assert.sameValue(z, 666); + + assert.throws(ReferenceError, function() { + u; + }); + assert.throws(ReferenceError, function() { + w; + }); + assert.throws(ReferenceError, function() { + y; + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-prop-id.js new file mode 100644 index 0000000000..fe893eff00 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-prop-id.js @@ -0,0 +1,75 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: BindingElement with object binding pattern and initializer is not used (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + [...] + 2. If iteratorRecord.[[done]] is true, let v be undefined. + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be ? GetValue(defaultValue). + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) { + assert.sameValue(v, 777); + assert.sameValue(x, 888); + assert.sameValue(z, 999); + + assert.throws(ReferenceError, function() { + u; + }); + assert.throws(ReferenceError, function() { + w; + }); + assert.throws(ReferenceError, function() { + y; + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-val-null.js new file mode 100644 index 0000000000..09af32a068 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-val-null.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Nested object destructuring with a null value (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPattern Initializeropt + + 1. If iteratorRecord.[[done]] is false, then + [...] + e. Else + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ObjectBindingPattern + + 1. Let valid be RequireObjectCoercible(value). + 2. ReturnIfAbrupt(valid). +---*/ + +var f = function([{ x }] = [null]) {}; + +assert.throws(TypeError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-val-undef.js new file mode 100644 index 0000000000..4b3a535a2b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elem-obj-val-undef.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Nested object destructuring with a value of `undefined` (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPattern Initializeropt + + 1. If iteratorRecord.[[done]] is false, then + [...] + e. Else + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ObjectBindingPattern + + 1. Let valid be RequireObjectCoercible(value). + 2. ReturnIfAbrupt(valid). +---*/ + +var f = function([{ x }] = []) {}; + +assert.throws(TypeError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elision-exhausted.js new file mode 100644 index 0000000000..7792543226 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elision-exhausted.js @@ -0,0 +1,70 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elision-exhausted.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Elision accepts exhausted iterator (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ Elision ] + + 1. Return the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord + as the argument. + + 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation + + Elision : , + + 1. If iteratorRecord.[[done]] is false, then + [...] + 2. Return NormalCompletion(empty). + +---*/ +var iter = function*() {}(); +iter.next(); + +var callCount = 0; +var f; +f = function([,] = iter) { + + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elision-step-err.js new file mode 100644 index 0000000000..f498125aa2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elision-step-err.js @@ -0,0 +1,73 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elision-step-err.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Elision advances iterator and forwards abrupt completions (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ Elision ] + + 1. Return the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord + as the argument. + + 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation + + Elision : , + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + +---*/ +var following = 0; +var iter =function* () { + throw new Test262Error(); + following += 1; +}(); + +var f = function([,] = iter) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +iter.next(); +assert.sameValue(following, 0, 'Iterator was properly closed.'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elision.js new file mode 100644 index 0000000000..cf230f2386 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-elision.js @@ -0,0 +1,79 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elision.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Elision advances iterator (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ Elision ] + + 1. Return the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord + as the argument. + + 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation + + Elision : , + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + 2. Return NormalCompletion(empty). + +---*/ +var first = 0; +var second = 0; +function* g() { + first += 1; + yield; + second += 1; +}; + +var callCount = 0; +var f; +f = function([,] = g()) { + assert.sameValue(first, 1); + assert.sameValue(second, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-empty.js new file mode 100644 index 0000000000..e19af14d4c --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-empty.js @@ -0,0 +1,62 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-empty.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: No iteration occurs for an "empty" array binding pattern (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ ] + + 1. Return NormalCompletion(empty). + +---*/ +var iterations = 0; +var iter = function*() { + iterations += 1; +}(); + +var callCount = 0; +var f; +f = function([] = iter) { + assert.sameValue(iterations, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-elem.js new file mode 100644 index 0000000000..861cc8858f --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-elem.js @@ -0,0 +1,86 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-elem.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element containing an array BindingElementList pattern (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + [...] + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set + iteratorRecord.[[done]] to true. + iii. ReturnIfAbrupt(v). + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function([...[x, y, z]] = [3, 4, 5]) { + assert.sameValue(x, 3); + assert.sameValue(y, 4); + assert.sameValue(z, 5); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-elision.js new file mode 100644 index 0000000000..deda96d7e4 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-elision.js @@ -0,0 +1,92 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-elision.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element containing an elision (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ Elision ] + + 1. Return the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord + as the argument. + + 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation + + Elision : , + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + 2. Return NormalCompletion(empty). + +---*/ +var first = 0; +var second = 0; +function* g() { + first += 1; + yield; + second += 1; +}; + +var callCount = 0; +var f; +f = function([...[,]] = g()) { + assert.sameValue(first, 1); + assert.sameValue(second, 1); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-empty.js new file mode 100644 index 0000000000..bdf7034c33 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-empty.js @@ -0,0 +1,75 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-empty.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element containing an "empty" array pattern (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ ] + + 1. Return NormalCompletion(empty). + +---*/ +var iterations = 0; +var iter = function*() { + iterations += 1; +}(); + +var callCount = 0; +var f; +f = function([...[]] = iter) { + assert.sameValue(iterations, 1); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-rest.js new file mode 100644 index 0000000000..8c34d5fb01 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-ary-rest.js @@ -0,0 +1,71 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-rest.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element containing a rest element (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] +---*/ +var values = [1, 2, 3]; + +var callCount = 0; +var f; +f = function([...[...x]] = values) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 3); + assert.sameValue(x[0], 1); + assert.sameValue(x[1], 2); + assert.sameValue(x[2], 3); + assert.notSameValue(x, values); + + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-direct.js new file mode 100644 index 0000000000..477530f12f --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-direct.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-direct.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Lone rest element (direct binding) (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +includes: [compareArray.js] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingIdentifier + + [...] + 2. Let A be ! ArrayCreate(0). + 3. Let n be 0. + 4. Repeat, + [...] + f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue). + g. Set n to n + 1. + +---*/ + +var callCount = 0; +var f; +f = function([...x] = [1]) { + assert(Array.isArray(x)); + assert.compareArray(x, [1]); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-elision-next-err.js new file mode 100644 index 0000000000..73952b8ec5 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-elision-next-err.js @@ -0,0 +1,59 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Rest element following elision elements (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + ArrayBindingPattern : [ Elisionopt BindingRestElement ] + 1. If Elision is present, then + a. Let status be the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with + iteratorRecord as the argument. + b. ReturnIfAbrupt(status). + 2. Return the result of performing IteratorBindingInitialization for + BindingRestElement with iteratorRecord and environment as arguments. + +---*/ +var iter = (function*() { throw new Test262Error(); })(); + +var f = function([, ...x] = iter) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-elision.js new file mode 100644 index 0000000000..58a0567566 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-elision.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-elision.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element following elision elements (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + ArrayBindingPattern : [ Elisionopt BindingRestElement ] + 1. If Elision is present, then + a. Let status be the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with + iteratorRecord as the argument. + b. ReturnIfAbrupt(status). + 2. Return the result of performing IteratorBindingInitialization for + BindingRestElement with iteratorRecord and environment as arguments. +---*/ +var values = [1, 2, 3, 4, 5]; + +var callCount = 0; +var f; +f = function([ , , ...x] = values) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 3); + assert.sameValue(x[0], 3); + assert.sameValue(x[1], 4); + assert.sameValue(x[2], 5); + assert.notSameValue(x, values); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-exhausted.js new file mode 100644 index 0000000000..e67b400ba5 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-exhausted.js @@ -0,0 +1,63 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: RestElement applied to an exhausted iterator (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + BindingRestElement : ... BindingIdentifier + 1. Let lhs be ResolveBinding(StringValue of BindingIdentifier, + environment). + 2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat, + [...] + b. If iteratorRecord.[[done]] is true, then + i. If environment is undefined, return PutValue(lhs, A). + ii. Return InitializeReferencedBinding(lhs, A). + +---*/ + +var callCount = 0; +var f; +f = function([, , ...x] = [1, 2]) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-iter-step-err.js new file mode 100644 index 0000000000..f399cb9547 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-iter-step-err.js @@ -0,0 +1,70 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Error forwarding when IteratorStep returns an abrupt completion (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + BindingRestElement : ... BindingIdentifier + 1. Let lhs be ResolveBinding(StringValue of BindingIdentifier, + environment). + 2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat, + a. If iteratorRecord.[[done]] is false, + i. Let next be IteratorStep(iteratorRecord.[[iterator]]). + ii. If next is an abrupt completion, set iteratorRecord.[[done]] to + true. + iii. ReturnIfAbrupt(next). + +---*/ +var first = 0; +var second = 0; +var iter = function*() { + first += 1; + throw new Test262Error(); + second += 1; +}(); + +var f = function([...x] = iter) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +iter.next(); +assert.sameValue(first, 1); +assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-iter-val-err.js new file mode 100644 index 0000000000..3356dec995 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id-iter-val-err.js @@ -0,0 +1,72 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Error forwarding when IteratorValue returns an abrupt completion (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + BindingRestElement : ... BindingIdentifier + 1. Let lhs be ResolveBinding(StringValue of BindingIdentifier, + environment). + 2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat, + [...] + c. Let nextValue be IteratorValue(next). + d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to + true. + e. ReturnIfAbrupt(nextValue). + +---*/ +var poisonedValue = Object.defineProperty({}, 'value', { + get: function() { + throw new Test262Error(); + } +}); +var iter = {}; +iter[Symbol.iterator] = function() { + return { + next: function() { + return poisonedValue; + } + }; +}; + +var f = function([...x] = iter) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id.js new file mode 100644 index 0000000000..a98268c917 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-id.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Lone rest element (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + BindingRestElement : ... BindingIdentifier + [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat + [...] + f. Let status be CreateDataProperty(A, ToString (n), nextValue). + [...] +---*/ +var values = [1, 2, 3]; + +var callCount = 0; +var f; +f = function([...x] = values) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 3); + assert.sameValue(x[0], 1); + assert.sameValue(x[1], 2); + assert.sameValue(x[2], 3); + assert.notSameValue(x, values); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-init-ary.js new file mode 100644 index 0000000000..a26e3fcb0a --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-init-ary.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-init-ary.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element (nested array pattern) does not support initializer (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...[ x ] = []] = []) { + + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-init-id.js new file mode 100644 index 0000000000..cb6668ccea --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-init-id.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-init-id.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element (identifier) does not support initializer (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...x = []] = []) { + + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-init-obj.js new file mode 100644 index 0000000000..b654efce51 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-init-obj.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-init-obj.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element (nested object pattern) does not support initializer (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...{ x } = []] = []) { + + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-not-final-ary.js new file mode 100644 index 0000000000..d3b8c0dc3c --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-not-final-ary.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element (array binding pattern) may not be followed by any element (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...[x], y] = [1, 2, 3]) { + + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-not-final-id.js new file mode 100644 index 0000000000..cfefd556a5 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-not-final-id.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-not-final-id.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element (identifier) may not be followed by any element (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...x, y] = [1, 2, 3]) { + + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-not-final-obj.js new file mode 100644 index 0000000000..80ebd93ce0 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-not-final-obj.js @@ -0,0 +1,60 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element (object binding pattern) may not be followed by any element (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + ArrayBindingPattern[Yield] : + [ Elisionopt BindingRestElement[?Yield]opt ] + [ BindingElementList[?Yield] ] + [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] +---*/ +$DONOTEVALUATE(); + +var callCount = 0; +var f; +f = function([...{ x }, y] = [1, 2, 3]) { + + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-obj-id.js new file mode 100644 index 0000000000..6a708643a0 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-obj-id.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-obj-id.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element containing an object binding pattern (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] +---*/ + +var callCount = 0; +var f; +f = function([...{ length }] = [1, 2, 3]) { + assert.sameValue(length, 3); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-obj-prop-id.js new file mode 100644 index 0000000000..15497db7b2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-ary-ptrn-rest-obj-prop-id.js @@ -0,0 +1,71 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest element containing an object binding pattern (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] +---*/ +let length = "outer"; + +var callCount = 0; +var f; +f = function([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) { + assert.sameValue(v, 7); + assert.sameValue(w, 8); + assert.sameValue(x, 9); + assert.sameValue(y, undefined); + assert.sameValue(z, 3); + + assert.sameValue(length, "outer", "the length prop is not set as a binding name"); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-init-null.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-init-null.js new file mode 100644 index 0000000000..39ff450035 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-init-null.js @@ -0,0 +1,53 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-init-null.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Value specifed for object binding pattern must be object coercible (null) (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: BindingInitialization + + ObjectBindingPattern : { } + + 1. Return NormalCompletion(empty). +---*/ + +var f = function({} = null) {}; + +assert.throws(TypeError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-init-undefined.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-init-undefined.js new file mode 100644 index 0000000000..067c51ec7f --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-init-undefined.js @@ -0,0 +1,53 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-init-undefined.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Value specifed for object binding pattern must be object coercible (undefined) (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: BindingInitialization + + ObjectBindingPattern : { } + + 1. Return NormalCompletion(empty). +---*/ + +var f = function({} = undefined) {}; + +assert.throws(TypeError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-empty.js new file mode 100644 index 0000000000..ff313f6465 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-empty.js @@ -0,0 +1,63 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-empty.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: No property access occurs for an "empty" object binding pattern (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: BindingInitialization + + ObjectBindingPattern : { } + + 1. Return NormalCompletion(empty). +---*/ +var accessCount = 0; +var obj = Object.defineProperty({}, 'attr', { + get: function() { + accessCount += 1; + } +}); + +var callCount = 0; +var f; +f = function({} = obj) { + assert.sameValue(accessCount, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-get-value-err.js new file mode 100644 index 0000000000..df1a49b049 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-get-value-err.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-get-value-err.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Error thrown when accessing the corresponding property of the value object (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. Let v be GetV(value, propertyName). + 5. ReturnIfAbrupt(v). +---*/ +var poisonedProperty = Object.defineProperty({}, 'poisoned', { + get: function() { + throw new Test262Error(); + } +}); + +var f = function({ poisoned } = poisonedProperty) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-arrow.js new file mode 100644 index 0000000000..f4ed156c43 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-arrow.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding assigns `name` to arrow functions (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). +---*/ + +var callCount = 0; +var f; +f = function({ arrow = () => {} } = {}) { + assert.sameValue(arrow.name, 'arrow'); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-class.js new file mode 100644 index 0000000000..26bbfd3130 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-class.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding assigns `name` to "anonymous" classes (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). +---*/ + +var callCount = 0; +var f; +f = function({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) { + assert.sameValue(cls.name, 'cls'); + assert.notSameValue(xCls.name, 'xCls'); + assert.notSameValue(xCls2.name, 'xCls2'); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-cover.js new file mode 100644 index 0000000000..5ca05b670f --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-cover.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). +---*/ + +var callCount = 0; +var f; +f = function({ cover = (function () {}), xCover = (0, function() {}) } = {}) { + assert.sameValue(cover.name, 'cover'); + assert.notSameValue(xCover.name, 'xCover'); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-fn.js new file mode 100644 index 0000000000..87ebbd0db8 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-fn.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding assigns name to "anonymous" functions (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). +---*/ + +var callCount = 0; +var f; +f = function({ fn = function () {}, xFn = function x() {} } = {}) { + assert.sameValue(fn.name, 'fn'); + assert.notSameValue(xFn.name, 'xFn'); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-gen.js new file mode 100644 index 0000000000..ce56f7ff23 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-gen.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: SingleNameBinding assigns name to "anonymous" generator functions (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). + +---*/ + +var callCount = 0; +var f; +f = function({ gen = function* () {}, xGen = function* x() {} } = {}) { + assert.sameValue(gen.name, 'gen'); + assert.notSameValue(xGen.name, 'xGen'); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-skipped.js new file mode 100644 index 0000000000..0e720d6a6e --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-skipped.js @@ -0,0 +1,68 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-skipped.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Destructuring initializer is not evaluated when value is not `undefined` (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + [...] +---*/ +var initCount = 0; +function counter() { + initCount += 1; +} + +var callCount = 0; +var f; +f = function({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) { + assert.sameValue(w, null); + assert.sameValue(x, 0); + assert.sameValue(y, false); + assert.sameValue(z, ''); + assert.sameValue(initCount, 0); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-throws.js new file mode 100644 index 0000000000..bb9cb31969 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-throws.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-throws.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Error thrown when evaluating the initializer (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). +---*/ +function thrower() { + throw new Test262Error(); +} + +var f = function({ x = thrower() } = {}) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-unresolvable.js new file mode 100644 index 0000000000..1f30fd328d --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-init-unresolvable.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Destructuring initializer is an unresolvable reference (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + + 6.2.3.1 GetValue (V) + + 1. ReturnIfAbrupt(V). + 2. If Type(V) is not Reference, return V. + 3. Let base be GetBase(V). + 4. If IsUnresolvableReference(V), throw a ReferenceError exception. +---*/ + +var f = function({ x = unresolvableReference } = {}) {}; + +assert.throws(ReferenceError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-trailing-comma.js new file mode 100644 index 0000000000..ca164ee83d --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-id-trailing-comma.js @@ -0,0 +1,58 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-trailing-comma.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Trailing comma is allowed following BindingPropertyList (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + + ObjectBindingPattern[Yield] : + { } + { BindingPropertyList[?Yield] } + { BindingPropertyList[?Yield] , } +---*/ + +var callCount = 0; +var f; +f = function({ x, } = { x: 23 }) { + assert.sameValue(x, 23); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-list-err.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-list-err.js new file mode 100644 index 0000000000..c474937463 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-list-err.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-list-err.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Binding property list evaluation is interrupted by an abrupt completion (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPropertyList : BindingPropertyList , BindingProperty + + 1. Let status be the result of performing BindingInitialization for + BindingPropertyList using value and environment as arguments. + 2. ReturnIfAbrupt(status). +---*/ +var initCount = 0; +function thrower() { + throw new Test262Error(); +} + +var f = function({ a, b = thrower(), c = ++initCount } = {}) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +assert.sameValue(initCount, 0); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary-init.js new file mode 100644 index 0000000000..94513c1e22 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary-init.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary-init.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Object binding pattern with "nested" array binding pattern using initializer (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var callCount = 0; +var f; +f = function({ w: [x, y, z] = [4, 5, 6] } = {}) { + assert.sameValue(x, 4); + assert.sameValue(y, 5); + assert.sameValue(z, 6); + + assert.throws(ReferenceError, function() { + w; + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary-trailing-comma.js new file mode 100644 index 0000000000..1082c765a4 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary-trailing-comma.js @@ -0,0 +1,58 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Trailing comma is allowed following BindingPropertyList (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + + ObjectBindingPattern[Yield] : + { } + { BindingPropertyList[?Yield] } + { BindingPropertyList[?Yield] , } +---*/ + +var callCount = 0; +var f; +f = function({ x: [y], } = { x: [45] }) { + assert.sameValue(y,45); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary-value-null.js new file mode 100644 index 0000000000..b502dccac1 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary-value-null.js @@ -0,0 +1,55 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Object binding pattern with "nested" array binding pattern taking the `null` value (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var f = function({ w: [x, y, z] = [4, 5, 6] } = { w: null }) {}; + +assert.throws(TypeError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary.js new file mode 100644 index 0000000000..6ba8fca917 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-ary.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Object binding pattern with "nested" array binding pattern not using initializer (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var callCount = 0; +var f; +f = function({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) { + assert.sameValue(x, 7); + assert.sameValue(y, undefined); + assert.sameValue(z, undefined); + + assert.throws(ReferenceError, function() { + w; + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-eval-err.js new file mode 100644 index 0000000000..d51f98ee29 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-eval-err.js @@ -0,0 +1,57 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-eval-err.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Evaluation of property name returns an abrupt completion (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingProperty : PropertyName : BindingElement + + 1. Let P be the result of evaluating PropertyName + 2. ReturnIfAbrupt(P). +---*/ +function thrower() { + throw new Test262Error(); +} + +var f = function({ [thrower()]: x } = {}) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-get-value-err.js new file mode 100644 index 0000000000..62b1a90946 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-get-value-err.js @@ -0,0 +1,62 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Error thrown when accessing the corresponding property of the value object (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + BindingElement : BindingPattern Initializeropt + + 1. Let v be GetV(value, propertyName). + 2. ReturnIfAbrupt(v). +---*/ +var initEvalCount = 0; +var poisonedProperty = Object.defineProperty({}, 'poisoned', { + get: function() { + throw new Test262Error(); + } +}); + +var f = function({ poisoned: x = ++initEvalCount } = poisonedProperty) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +assert.sameValue(initEvalCount, 0); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init-skipped.js new file mode 100644 index 0000000000..bb5d788af7 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init-skipped.js @@ -0,0 +1,80 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Destructuring initializer is not evaluated when value is not `undefined` (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + BindingElement : BindingPattern Initializeropt + + [...] + 3. If Initializer is present and v is undefined, then + [...] +---*/ +var initCount = 0; +function counter() { + initCount += 1; +} + +var callCount = 0; +var f; +f = function({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) { + assert.sameValue(t, null); + assert.sameValue(v, 0); + assert.sameValue(x, false); + assert.sameValue(z, ''); + assert.sameValue(initCount, 0); + + assert.throws(ReferenceError, function() { + s; + }); + assert.throws(ReferenceError, function() { + u; + }); + assert.throws(ReferenceError, function() { + w; + }); + assert.throws(ReferenceError, function() { + y; + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init-throws.js new file mode 100644 index 0000000000..a9b56e6ce1 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init-throws.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Error thrown when evaluating the initializer (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + BindingElement : BindingPattern Initializeropt + + [...] + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). +---*/ +function thrower() { + throw new Test262Error(); +} + +var f = function({ x: y = thrower() } = {}) {}; + +assert.throws(Test262Error, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init-unresolvable.js new file mode 100644 index 0000000000..ad657f957c --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init-unresolvable.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Destructuring initializer is an unresolvable reference (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + BindingElement : BindingPattern Initializeropt + + [...] + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + + 6.2.3.1 GetValue (V) + + 1. ReturnIfAbrupt(V). + 2. If Type(V) is not Reference, return V. + 3. Let base be GetBase(V). + 4. If IsUnresolvableReference(V), throw a ReferenceError exception. +---*/ + +var f = function({ x: y = unresolvableReference } = {}) {}; + +assert.throws(ReferenceError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init.js new file mode 100644 index 0000000000..4ce963ec7c --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-init.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-init.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Binding as specified via property name, identifier, and initializer (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function({ x: y = 33 } = { }) { + assert.sameValue(y, 33); + assert.throws(ReferenceError, function() { + x; + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-trailing-comma.js new file mode 100644 index 0000000000..45db6b64d2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id-trailing-comma.js @@ -0,0 +1,62 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Trailing comma is allowed following BindingPropertyList (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + + ObjectBindingPattern[Yield] : + { } + { BindingPropertyList[?Yield] } + { BindingPropertyList[?Yield] , } +---*/ + +var callCount = 0; +var f; +f = function({ x: y, } = { x: 23 }) { + assert.sameValue(y, 23); + + assert.throws(ReferenceError, function() { + x; + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id.js new file mode 100644 index 0000000000..f947966f79 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-id.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Binding as specified via property name and identifier (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function({ x: y } = { x: 23 }) { + assert.sameValue(y, 23); + assert.throws(ReferenceError, function() { + x; + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj-init.js new file mode 100644 index 0000000000..a49217e15c --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj-init.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-obj-init.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Object binding pattern with "nested" object binding pattern using initializer (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var callCount = 0; +var f; +f = function({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) { + assert.sameValue(x, 4); + assert.sameValue(y, 5); + assert.sameValue(z, 6); + + assert.throws(ReferenceError, function() { + w; + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj-value-null.js new file mode 100644 index 0000000000..d323e25d38 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj-value-null.js @@ -0,0 +1,55 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Object binding pattern with "nested" object binding pattern taking the `null` value (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var f = function({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: null }) {}; + +assert.throws(TypeError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj-value-undef.js new file mode 100644 index 0000000000..52748be323 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj-value-undef.js @@ -0,0 +1,55 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case +// - src/dstr-binding/error/func-expr-dflt.template +/*--- +description: Object binding pattern with "nested" object binding pattern taking the `null` value (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var f = function({ w: { x, y, z } = undefined } = { }) {}; + +assert.throws(TypeError, function() { + f(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj.js new file mode 100644 index 0000000000..3f872708e1 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-prop-obj.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-obj.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Object binding pattern with "nested" object binding pattern not using initializer (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding, default-parameters] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var callCount = 0; +var f; +f = function({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) { + assert.sameValue(x, undefined); + assert.sameValue(y, undefined); + assert.sameValue(z, 7); + + assert.throws(ReferenceError, function() { + w; + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-rest-getter.js new file mode 100644 index 0000000000..7991ebe7fb --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-rest-getter.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-rest-getter.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Getter is called when obj is being deconstructed to a rest Object (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [object-rest, destructuring-binding, default-parameters] +flags: [generated] +includes: [propertyHelper.js] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] +---*/ +var count = 0; + +var callCount = 0; +var f; +f = function({...x} = { get v() { count++; return 2; } }) { + assert.sameValue(count, 1); + + verifyProperty(x, "v", { + enumerable: true, + writable: true, + configurable: true, + value: 2 + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-rest-skip-non-enumerable.js new file mode 100644 index 0000000000..49a97715ae --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-rest-skip-non-enumerable.js @@ -0,0 +1,68 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest object doesn't contain non-enumerable properties (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [object-rest, destructuring-binding, default-parameters] +flags: [generated] +includes: [propertyHelper.js] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] +---*/ +var o = {a: 3, b: 4}; +Object.defineProperty(o, "x", { value: 4, enumerable: false }); + +var callCount = 0; +var f; +f = function({...rest} = o) { + assert.sameValue(rest.x, undefined); + + verifyProperty(rest, "a", { + enumerable: true, + writable: true, + configurable: true, + value: 3 + }); + + verifyProperty(rest, "b", { + enumerable: true, + writable: true, + configurable: true, + value: 4 + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-rest-val-obj.js new file mode 100644 index 0000000000..59fab7659d --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/dflt-obj-ptrn-rest-val-obj.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-rest-val-obj.case +// - src/dstr-binding/default/func-expr-dflt.template +/*--- +description: Rest object contains just unextracted data (function expression (default parameter)) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [object-rest, destructuring-binding, default-parameters] +flags: [generated] +includes: [propertyHelper.js] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] +---*/ + +var callCount = 0; +var f; +f = function({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) { + assert.sameValue(rest.a, undefined); + assert.sameValue(rest.b, undefined); + + verifyProperty(rest, "x", { + enumerable: true, + writable: true, + configurable: true, + value: 1 + }); + + verifyProperty(rest, "y", { + enumerable: true, + writable: true, + configurable: true, + value: 2 + }); + callCount = callCount + 1; +}; + +f(); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-init-null.js b/js/src/tests/test262/language/expressions/function/dstr/obj-init-null.js new file mode 100644 index 0000000000..22a89be415 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-init-null.js @@ -0,0 +1,53 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-init-null.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Value specifed for object binding pattern must be object coercible (null) (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: BindingInitialization + + ObjectBindingPattern : { } + + 1. Return NormalCompletion(empty). +---*/ + +var f = function({}) {}; + +assert.throws(TypeError, function() { + f(null); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-init-undefined.js b/js/src/tests/test262/language/expressions/function/dstr/obj-init-undefined.js new file mode 100644 index 0000000000..e33f15a702 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-init-undefined.js @@ -0,0 +1,53 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-init-undefined.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Value specifed for object binding pattern must be object coercible (undefined) (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: BindingInitialization + + ObjectBindingPattern : { } + + 1. Return NormalCompletion(empty). +---*/ + +var f = function({}) {}; + +assert.throws(TypeError, function() { + f(undefined); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-empty.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-empty.js new file mode 100644 index 0000000000..670c514037 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-empty.js @@ -0,0 +1,63 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-empty.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: No property access occurs for an "empty" object binding pattern (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Runtime Semantics: BindingInitialization + + ObjectBindingPattern : { } + + 1. Return NormalCompletion(empty). +---*/ +var accessCount = 0; +var obj = Object.defineProperty({}, 'attr', { + get: function() { + accessCount += 1; + } +}); + +var callCount = 0; +var f; +f = function({}) { + assert.sameValue(accessCount, 0); + callCount = callCount + 1; +}; + +f(obj); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-get-value-err.js new file mode 100644 index 0000000000..9ba7becf45 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-get-value-err.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-get-value-err.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Error thrown when accessing the corresponding property of the value object (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. Let v be GetV(value, propertyName). + 5. ReturnIfAbrupt(v). +---*/ +var poisonedProperty = Object.defineProperty({}, 'poisoned', { + get: function() { + throw new Test262Error(); + } +}); + +var f = function({ poisoned }) {}; + +assert.throws(Test262Error, function() { + f(poisonedProperty); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-arrow.js new file mode 100644 index 0000000000..45bfd250f2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-arrow.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding assigns `name` to arrow functions (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). +---*/ + +var callCount = 0; +var f; +f = function({ arrow = () => {} }) { + assert.sameValue(arrow.name, 'arrow'); + callCount = callCount + 1; +}; + +f({}); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-class.js new file mode 100644 index 0000000000..8d624ebc9a --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-class.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding assigns `name` to "anonymous" classes (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). +---*/ + +var callCount = 0; +var f; +f = function({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) { + assert.sameValue(cls.name, 'cls'); + assert.notSameValue(xCls.name, 'xCls'); + assert.notSameValue(xCls2.name, 'xCls2'); + callCount = callCount + 1; +}; + +f({}); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-cover.js new file mode 100644 index 0000000000..77a4382458 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-cover.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). +---*/ + +var callCount = 0; +var f; +f = function({ cover = (function () {}), xCover = (0, function() {}) }) { + assert.sameValue(cover.name, 'cover'); + assert.notSameValue(xCover.name, 'xCover'); + callCount = callCount + 1; +}; + +f({}); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-fn.js new file mode 100644 index 0000000000..e26c192533 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-fn.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding assigns name to "anonymous" functions (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). +---*/ + +var callCount = 0; +var f; +f = function({ fn = function () {}, xFn = function x() {} }) { + assert.sameValue(fn.name, 'fn'); + assert.notSameValue(xFn.name, 'xFn'); + callCount = callCount + 1; +}; + +f({}); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-gen.js new file mode 100644 index 0000000000..e24a2c0684 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-gen.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: SingleNameBinding assigns name to "anonymous" generator functions (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). + +---*/ + +var callCount = 0; +var f; +f = function({ gen = function* () {}, xGen = function* x() {} }) { + assert.sameValue(gen.name, 'gen'); + assert.notSameValue(xGen.name, 'xGen'); + callCount = callCount + 1; +}; + +f({}); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-skipped.js new file mode 100644 index 0000000000..624c628473 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-skipped.js @@ -0,0 +1,68 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-skipped.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Destructuring initializer is not evaluated when value is not `undefined` (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + [...] +---*/ +var initCount = 0; +function counter() { + initCount += 1; +} + +var callCount = 0; +var f; +f = function({ w = counter(), x = counter(), y = counter(), z = counter() }) { + assert.sameValue(w, null); + assert.sameValue(x, 0); + assert.sameValue(y, false); + assert.sameValue(z, ''); + assert.sameValue(initCount, 0); + callCount = callCount + 1; +}; + +f({ w: null, x: 0, y: false, z: '' }); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-throws.js new file mode 100644 index 0000000000..d93fba3d71 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-throws.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-throws.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Error thrown when evaluating the initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). +---*/ +function thrower() { + throw new Test262Error(); +} + +var f = function({ x = thrower() }) {}; + +assert.throws(Test262Error, function() { + f({}); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-unresolvable.js new file mode 100644 index 0000000000..3d0fd3ca7b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-init-unresolvable.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Destructuring initializer is an unresolvable reference (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + + 6.2.3.1 GetValue (V) + + 1. ReturnIfAbrupt(V). + 2. If Type(V) is not Reference, return V. + 3. Let base be GetBase(V). + 4. If IsUnresolvableReference(V), throw a ReferenceError exception. +---*/ + +var f = function({ x = unresolvableReference }) {}; + +assert.throws(ReferenceError, function() { + f({}); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-trailing-comma.js new file mode 100644 index 0000000000..1dda45cabb --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-id-trailing-comma.js @@ -0,0 +1,58 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-trailing-comma.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Trailing comma is allowed following BindingPropertyList (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + + ObjectBindingPattern[Yield] : + { } + { BindingPropertyList[?Yield] } + { BindingPropertyList[?Yield] , } +---*/ + +var callCount = 0; +var f; +f = function({ x, }) { + assert.sameValue(x, 23); + callCount = callCount + 1; +}; + +f({ x: 23 }); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-list-err.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-list-err.js new file mode 100644 index 0000000000..22862d4f3b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-list-err.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-list-err.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Binding property list evaluation is interrupted by an abrupt completion (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPropertyList : BindingPropertyList , BindingProperty + + 1. Let status be the result of performing BindingInitialization for + BindingPropertyList using value and environment as arguments. + 2. ReturnIfAbrupt(status). +---*/ +var initCount = 0; +function thrower() { + throw new Test262Error(); +} + +var f = function({ a, b = thrower(), c = ++initCount }) {}; + +assert.throws(Test262Error, function() { + f({}); +}); + +assert.sameValue(initCount, 0); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary-init.js new file mode 100644 index 0000000000..00a22b17bc --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary-init.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary-init.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Object binding pattern with "nested" array binding pattern using initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var callCount = 0; +var f; +f = function({ w: [x, y, z] = [4, 5, 6] }) { + assert.sameValue(x, 4); + assert.sameValue(y, 5); + assert.sameValue(z, 6); + + assert.throws(ReferenceError, function() { + w; + }); + callCount = callCount + 1; +}; + +f({}); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary-trailing-comma.js new file mode 100644 index 0000000000..e1562352c6 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary-trailing-comma.js @@ -0,0 +1,58 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Trailing comma is allowed following BindingPropertyList (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + + ObjectBindingPattern[Yield] : + { } + { BindingPropertyList[?Yield] } + { BindingPropertyList[?Yield] , } +---*/ + +var callCount = 0; +var f; +f = function({ x: [y], }) { + assert.sameValue(y,45); + callCount = callCount + 1; +}; + +f({ x: [45] }); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary-value-null.js new file mode 100644 index 0000000000..c99c84dc32 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary-value-null.js @@ -0,0 +1,55 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Object binding pattern with "nested" array binding pattern taking the `null` value (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var f = function({ w: [x, y, z] = [4, 5, 6] }) {}; + +assert.throws(TypeError, function() { + f({ w: null }); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary.js new file mode 100644 index 0000000000..d5f5feab97 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-ary.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Object binding pattern with "nested" array binding pattern not using initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var callCount = 0; +var f; +f = function({ w: [x, y, z] = [4, 5, 6] }) { + assert.sameValue(x, 7); + assert.sameValue(y, undefined); + assert.sameValue(z, undefined); + + assert.throws(ReferenceError, function() { + w; + }); + callCount = callCount + 1; +}; + +f({ w: [7, undefined, ] }); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-eval-err.js new file mode 100644 index 0000000000..876cde65a3 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-eval-err.js @@ -0,0 +1,57 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-eval-err.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Evaluation of property name returns an abrupt completion (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingProperty : PropertyName : BindingElement + + 1. Let P be the result of evaluating PropertyName + 2. ReturnIfAbrupt(P). +---*/ +function thrower() { + throw new Test262Error(); +} + +var f = function({ [thrower()]: x }) {}; + +assert.throws(Test262Error, function() { + f({}); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-get-value-err.js new file mode 100644 index 0000000000..2f403ac7f5 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-get-value-err.js @@ -0,0 +1,62 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Error thrown when accessing the corresponding property of the value object (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + BindingElement : BindingPattern Initializeropt + + 1. Let v be GetV(value, propertyName). + 2. ReturnIfAbrupt(v). +---*/ +var initEvalCount = 0; +var poisonedProperty = Object.defineProperty({}, 'poisoned', { + get: function() { + throw new Test262Error(); + } +}); + +var f = function({ poisoned: x = ++initEvalCount }) {}; + +assert.throws(Test262Error, function() { + f(poisonedProperty); +}); + +assert.sameValue(initEvalCount, 0); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init-skipped.js new file mode 100644 index 0000000000..b5f3c99e70 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init-skipped.js @@ -0,0 +1,80 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Destructuring initializer is not evaluated when value is not `undefined` (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + BindingElement : BindingPattern Initializeropt + + [...] + 3. If Initializer is present and v is undefined, then + [...] +---*/ +var initCount = 0; +function counter() { + initCount += 1; +} + +var callCount = 0; +var f; +f = function({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) { + assert.sameValue(t, null); + assert.sameValue(v, 0); + assert.sameValue(x, false); + assert.sameValue(z, ''); + assert.sameValue(initCount, 0); + + assert.throws(ReferenceError, function() { + s; + }); + assert.throws(ReferenceError, function() { + u; + }); + assert.throws(ReferenceError, function() { + w; + }); + assert.throws(ReferenceError, function() { + y; + }); + callCount = callCount + 1; +}; + +f({ s: null, u: 0, w: false, y: '' }); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init-throws.js new file mode 100644 index 0000000000..e3e3745f54 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init-throws.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Error thrown when evaluating the initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + BindingElement : BindingPattern Initializeropt + + [...] + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). +---*/ +function thrower() { + throw new Test262Error(); +} + +var f = function({ x: y = thrower() }) {}; + +assert.throws(Test262Error, function() { + f({}); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init-unresolvable.js new file mode 100644 index 0000000000..f8db30d45e --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init-unresolvable.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Destructuring initializer is an unresolvable reference (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + BindingElement : BindingPattern Initializeropt + + [...] + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + + 6.2.3.1 GetValue (V) + + 1. ReturnIfAbrupt(V). + 2. If Type(V) is not Reference, return V. + 3. Let base be GetBase(V). + 4. If IsUnresolvableReference(V), throw a ReferenceError exception. +---*/ + +var f = function({ x: y = unresolvableReference }) {}; + +assert.throws(ReferenceError, function() { + f({}); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init.js new file mode 100644 index 0000000000..bcb826d0ab --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-init.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-init.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Binding as specified via property name, identifier, and initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function({ x: y = 33 }) { + assert.sameValue(y, 33); + assert.throws(ReferenceError, function() { + x; + }); + callCount = callCount + 1; +}; + +f({ }); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-trailing-comma.js new file mode 100644 index 0000000000..17207afe6b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id-trailing-comma.js @@ -0,0 +1,62 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Trailing comma is allowed following BindingPropertyList (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3 Destructuring Binding Patterns + + ObjectBindingPattern[Yield] : + { } + { BindingPropertyList[?Yield] } + { BindingPropertyList[?Yield] , } +---*/ + +var callCount = 0; +var f; +f = function({ x: y, }) { + assert.sameValue(y, 23); + + assert.throws(ReferenceError, function() { + x; + }); + callCount = callCount + 1; +}; + +f({ x: 23 }); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id.js new file mode 100644 index 0000000000..9b75e6791b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-id.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Binding as specified via property name and identifier (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function({ x: y }) { + assert.sameValue(y, 23); + assert.throws(ReferenceError, function() { + x; + }); + callCount = callCount + 1; +}; + +f({ x: 23 }); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj-init.js new file mode 100644 index 0000000000..0106390cd8 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj-init.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-obj-init.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Object binding pattern with "nested" object binding pattern using initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var callCount = 0; +var f; +f = function({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) { + assert.sameValue(x, 4); + assert.sameValue(y, 5); + assert.sameValue(z, 6); + + assert.throws(ReferenceError, function() { + w; + }); + callCount = callCount + 1; +}; + +f({ w: undefined }); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj-value-null.js new file mode 100644 index 0000000000..08942b8e9b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj-value-null.js @@ -0,0 +1,55 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Object binding pattern with "nested" object binding pattern taking the `null` value (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var f = function({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {}; + +assert.throws(TypeError, function() { + f({ w: null }); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj-value-undef.js new file mode 100644 index 0000000000..9b11a750cc --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj-value-undef.js @@ -0,0 +1,55 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case +// - src/dstr-binding/error/func-expr.template +/*--- +description: Object binding pattern with "nested" object binding pattern taking the `null` value (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var f = function({ w: { x, y, z } = undefined }) {}; + +assert.throws(TypeError, function() { + f({ }); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj.js new file mode 100644 index 0000000000..57e8dcd72e --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-prop-obj.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-obj.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Object binding pattern with "nested" object binding pattern not using initializer (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var callCount = 0; +var f; +f = function({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) { + assert.sameValue(x, undefined); + assert.sameValue(y, undefined); + assert.sameValue(z, 7); + + assert.throws(ReferenceError, function() { + w; + }); + callCount = callCount + 1; +}; + +f({ w: { x: undefined, z: 7 } }); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-rest-getter.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-rest-getter.js new file mode 100644 index 0000000000..4742f63daf --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-rest-getter.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-rest-getter.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Getter is called when obj is being deconstructed to a rest Object (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [object-rest, destructuring-binding] +flags: [generated] +includes: [propertyHelper.js] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] +---*/ +var count = 0; + +var callCount = 0; +var f; +f = function({...x}) { + assert.sameValue(count, 1); + + verifyProperty(x, "v", { + enumerable: true, + writable: true, + configurable: true, + value: 2 + }); + callCount = callCount + 1; +}; + +f({ get v() { count++; return 2; } }); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-rest-skip-non-enumerable.js new file mode 100644 index 0000000000..a947afad0a --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-rest-skip-non-enumerable.js @@ -0,0 +1,68 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest object doesn't contain non-enumerable properties (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [object-rest, destructuring-binding] +flags: [generated] +includes: [propertyHelper.js] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] +---*/ +var o = {a: 3, b: 4}; +Object.defineProperty(o, "x", { value: 4, enumerable: false }); + +var callCount = 0; +var f; +f = function({...rest}) { + assert.sameValue(rest.x, undefined); + + verifyProperty(rest, "a", { + enumerable: true, + writable: true, + configurable: true, + value: 3 + }); + + verifyProperty(rest, "b", { + enumerable: true, + writable: true, + configurable: true, + value: 4 + }); + callCount = callCount + 1; +}; + +f(o); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-rest-val-obj.js new file mode 100644 index 0000000000..418291f83a --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/obj-ptrn-rest-val-obj.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-rest-val-obj.case +// - src/dstr-binding/default/func-expr.template +/*--- +description: Rest object contains just unextracted data (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [object-rest, destructuring-binding] +flags: [generated] +includes: [propertyHelper.js] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] +---*/ + +var callCount = 0; +var f; +f = function({a, b, ...rest}) { + assert.sameValue(rest.a, undefined); + assert.sameValue(rest.b, undefined); + + verifyProperty(rest, "x", { + enumerable: true, + writable: true, + configurable: true, + value: 1 + }); + + verifyProperty(rest, "y", { + enumerable: true, + writable: true, + configurable: true, + value: 2 + }); + callCount = callCount + 1; +}; + +f({x: 1, y: 2, a: 5, b: 3}); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/dstr/shell.js b/js/src/tests/test262/language/expressions/function/dstr/shell.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/dstr/shell.js diff --git a/js/src/tests/test262/language/expressions/function/early-body-super-call.js b/js/src/tests/test262/language/expressions/function/early-body-super-call.js new file mode 100644 index 0000000000..84013a0642 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/early-body-super-call.js @@ -0,0 +1,19 @@ +// |reftest| error:SyntaxError +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-function-definitions-static-semantics-early-errors +es6id: 14.1.2 +description: Body may not contain a "super" call +info: | + It is a Syntax Error if FunctionBody Contains SuperCall is true. +negative: + phase: parse + type: SyntaxError +---*/ + +$DONOTEVALUATE(); + +0, function() { + super(); +}; diff --git a/js/src/tests/test262/language/expressions/function/early-body-super-prop.js b/js/src/tests/test262/language/expressions/function/early-body-super-prop.js new file mode 100644 index 0000000000..8a1afa1bd5 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/early-body-super-prop.js @@ -0,0 +1,19 @@ +// |reftest| error:SyntaxError +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-function-definitions-static-semantics-early-errors +es6id: 14.1.2 +description: Body may not contain a "super" property reference +info: | + It is a Syntax Error if FunctionBody Contains SuperProperty is true. +negative: + phase: parse + type: SyntaxError +---*/ + +$DONOTEVALUATE(); + +0, function() { + super.x; +}; diff --git a/js/src/tests/test262/language/expressions/function/early-errors/browser.js b/js/src/tests/test262/language/expressions/function/early-errors/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/early-errors/browser.js diff --git a/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-call-expression-bad-reference.js b/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-call-expression-bad-reference.js new file mode 100644 index 0000000000..7f7319cb43 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-call-expression-bad-reference.js @@ -0,0 +1,41 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/invalid-private-names/call-expression-bad-reference.case +// - src/invalid-private-names/default/function-expr.template +/*--- +description: bad reference in call expression (Invalid private names should throw a SyntaxError, inside function expression) +esid: sec-static-semantics-early-errors +features: [class-fields-private] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + ScriptBody:StatementList + It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List + as an argument is false unless the source code is eval code that is being + processed by a direct eval. + + ModuleBody:ModuleItemList + It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List + as an argument is false. + + + Static Semantics: AllPrivateNamesValid + + MemberExpression : MemberExpression . PrivateName + + 1. If StringValue of PrivateName is in names, return true. + 2. Return false. + + CallExpression : CallExpression . PrivateName + + 1. If StringValue of PrivateName is in names, return true. + 2. Return false. + +---*/ + + +$DONOTEVALUATE(); + +var fn = function() { (() => {})().#x }; diff --git a/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-call-expression-this.js b/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-call-expression-this.js new file mode 100644 index 0000000000..5925936d5a --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-call-expression-this.js @@ -0,0 +1,41 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/invalid-private-names/call-expression-this.case +// - src/invalid-private-names/default/function-expr.template +/*--- +description: this evaluated in call expression (Invalid private names should throw a SyntaxError, inside function expression) +esid: sec-static-semantics-early-errors +features: [class-fields-private] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + ScriptBody:StatementList + It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List + as an argument is false unless the source code is eval code that is being + processed by a direct eval. + + ModuleBody:ModuleItemList + It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List + as an argument is false. + + + Static Semantics: AllPrivateNamesValid + + MemberExpression : MemberExpression . PrivateName + + 1. If StringValue of PrivateName is in names, return true. + 2. Return false. + + CallExpression : CallExpression . PrivateName + + 1. If StringValue of PrivateName is in names, return true. + 2. Return false. + +---*/ + + +$DONOTEVALUATE(); + +var fn = function() { (() => this)().#x }; diff --git a/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-member-expression-bad-reference.js b/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-member-expression-bad-reference.js new file mode 100644 index 0000000000..6cdb1ade20 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-member-expression-bad-reference.js @@ -0,0 +1,41 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/invalid-private-names/member-expression-bad-reference.case +// - src/invalid-private-names/default/function-expr.template +/*--- +description: bad reference in member expression (Invalid private names should throw a SyntaxError, inside function expression) +esid: sec-static-semantics-early-errors +features: [class-fields-private] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + ScriptBody:StatementList + It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List + as an argument is false unless the source code is eval code that is being + processed by a direct eval. + + ModuleBody:ModuleItemList + It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List + as an argument is false. + + + Static Semantics: AllPrivateNamesValid + + MemberExpression : MemberExpression . PrivateName + + 1. If StringValue of PrivateName is in names, return true. + 2. Return false. + + CallExpression : CallExpression . PrivateName + + 1. If StringValue of PrivateName is in names, return true. + 2. Return false. + +---*/ + + +$DONOTEVALUATE(); + +var fn = function() { something.#x }; diff --git a/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-member-expression-this.js b/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-member-expression-this.js new file mode 100644 index 0000000000..50508c02b1 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/early-errors/invalid-names-member-expression-this.js @@ -0,0 +1,41 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/invalid-private-names/member-expression-this.case +// - src/invalid-private-names/default/function-expr.template +/*--- +description: this reference in member expression (Invalid private names should throw a SyntaxError, inside function expression) +esid: sec-static-semantics-early-errors +features: [class-fields-private] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + ScriptBody:StatementList + It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List + as an argument is false unless the source code is eval code that is being + processed by a direct eval. + + ModuleBody:ModuleItemList + It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List + as an argument is false. + + + Static Semantics: AllPrivateNamesValid + + MemberExpression : MemberExpression . PrivateName + + 1. If StringValue of PrivateName is in names, return true. + 2. Return false. + + CallExpression : CallExpression . PrivateName + + 1. If StringValue of PrivateName is in names, return true. + 2. Return false. + +---*/ + + +$DONOTEVALUATE(); + +var fn = function() { this.#x }; diff --git a/js/src/tests/test262/language/expressions/function/early-errors/shell.js b/js/src/tests/test262/language/expressions/function/early-errors/shell.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/early-errors/shell.js diff --git a/js/src/tests/test262/language/expressions/function/early-params-super-call.js b/js/src/tests/test262/language/expressions/function/early-params-super-call.js new file mode 100644 index 0000000000..71c684f8dd --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/early-params-super-call.js @@ -0,0 +1,17 @@ +// |reftest| error:SyntaxError +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-function-definitions-static-semantics-early-errors +es6id: 14.1.2 +description: Parameters may not contain a "super" call +info: | + It is a Syntax Error if FormalParameters Contains SuperProperty is true. +negative: + phase: parse + type: SyntaxError +---*/ + +$DONOTEVALUATE(); + +0, function(x = super()) {}; diff --git a/js/src/tests/test262/language/expressions/function/early-params-super-prop.js b/js/src/tests/test262/language/expressions/function/early-params-super-prop.js new file mode 100644 index 0000000000..9a9c76cf9c --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/early-params-super-prop.js @@ -0,0 +1,17 @@ +// |reftest| error:SyntaxError +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-function-definitions-static-semantics-early-errors +es6id: 14.1.2 +description: Parameters may not contain a "super" property reference +info: | + It is a Syntax Error if FunctionBody Contains SuperProperty is true. +negative: + phase: parse + type: SyntaxError +---*/ + +$DONOTEVALUATE(); + +0, function(x = super.x) {}; diff --git a/js/src/tests/test262/language/expressions/function/eval-var-scope-syntax-err.js b/js/src/tests/test262/language/expressions/function/eval-var-scope-syntax-err.js new file mode 100644 index 0000000000..5ad4902157 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/eval-var-scope-syntax-err.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/eval-var-scope-syntax-err.case +// - src/function-forms/error-no-strict/func-expr.template +/*--- +description: sloppy direct eval in params introduces var (function expression in sloppy code) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [default-parameters] +flags: [generated, noStrict] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + + Runtime Semantics: IteratorBindingInitialization + FormalParameter : BindingElement + + 1. Return the result of performing IteratorBindingInitialization for BindingElement with arguments iteratorRecord and environment. + +---*/ + +var callCount = 0; +var f; +f = function(a = eval("var a = 42")) { + + callCount = callCount + 1; +}; + +assert.throws(SyntaxError, function() { + f(); +}); +assert.sameValue(callCount, 0, 'function body not evaluated'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/browser.js b/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/browser.js diff --git a/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/func-expr-strict-forbidden-ext-direct-access-prop-arguments.js b/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/func-expr-strict-forbidden-ext-direct-access-prop-arguments.js new file mode 100644 index 0000000000..e08d963d7b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/func-expr-strict-forbidden-ext-direct-access-prop-arguments.js @@ -0,0 +1,35 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/forbidden-ext-direct-access-prop-arguments.case +// - src/function-forms/forbidden-extensions/bullet-one/func-expr-strict.template +/*--- +description: Forbidden extension, f.arguments (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated, noStrict] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + ECMAScript function objects defined using syntactic constructors in strict mode code must + not be created with own properties named "caller" or "arguments". Such own properties also + must not be created for function objects defined using an ArrowFunction, MethodDefinition, + GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression, + ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or + AsyncArrowFunction regardless of whether the definition is contained in strict mode code. + Built-in functions, strict functions created using the Function constructor, generator functions + created using the Generator constructor, async functions created using the AsyncFunction + constructor, and functions created using the bind method also must not be created with such own + properties. + +---*/ + +var callCount = 0; +var f; +f = function() { + "use strict"; + assert.sameValue(f.hasOwnProperty("arguments"), false); + callCount++; +}; + +f(); +assert.sameValue(callCount, 1, 'function body evaluated'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/func-expr-strict-forbidden-ext-direct-access-prop-caller.js b/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/func-expr-strict-forbidden-ext-direct-access-prop-caller.js new file mode 100644 index 0000000000..b5c0b21c67 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/func-expr-strict-forbidden-ext-direct-access-prop-caller.js @@ -0,0 +1,35 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/forbidden-ext-direct-access-prop-caller.case +// - src/function-forms/forbidden-extensions/bullet-one/func-expr-strict.template +/*--- +description: Forbidden extension, o.caller (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated, noStrict] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + ECMAScript function objects defined using syntactic constructors in strict mode code must + not be created with own properties named "caller" or "arguments". Such own properties also + must not be created for function objects defined using an ArrowFunction, MethodDefinition, + GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression, + ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or + AsyncArrowFunction regardless of whether the definition is contained in strict mode code. + Built-in functions, strict functions created using the Function constructor, generator functions + created using the Generator constructor, async functions created using the AsyncFunction + constructor, and functions created using the bind method also must not be created with such own + properties. + +---*/ + +var callCount = 0; +var f; +f = function() { + "use strict"; + assert.sameValue(f.hasOwnProperty("caller"), false); + callCount++; +}; + +f(); +assert.sameValue(callCount, 1, 'function body evaluated'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/shell.js b/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/shell.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/forbidden-ext/b1/shell.js diff --git a/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/browser.js b/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/browser.js diff --git a/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/func-expr-forbidden-ext-indirect-access-own-prop-caller-get.js b/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/func-expr-forbidden-ext-indirect-access-own-prop-caller-get.js new file mode 100644 index 0000000000..2d1350aee7 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/func-expr-forbidden-ext-indirect-access-own-prop-caller-get.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case +// - src/function-forms/forbidden-extensions/bullet-two/func-expr.template +/*--- +description: Forbidden extension, o.caller (function expression) +esid: sec-definitions-runtime-semantics-evaluation +flags: [generated, noStrict] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + If an implementation extends any function object with an own property named "caller" the value of + that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function + object. If it is an accessor property, the function that is the value of the property's [[Get]] + attribute must never return a strict function when called. + +---*/ +var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol(); +function inner() { + // This property may exist, but is forbidden from having a value that is a strict function object + return inner.hasOwnProperty("caller") + ? inner.caller + : CALLER_OWN_PROPERTY_DOES_NOT_EXIST; +} + +var callCount = 0; +var f; +f = function() { + "use strict"; + // This and the following conditional value is set in the test's .case file. + // For every test that has a "true" value here, there is a + // corresponding test that has a "false" value here. + // They are generated from two different case files, which use + // the same templates. + let descriptor = Object.getOwnPropertyDescriptor(inner, "caller"); + if (descriptor && descriptor.configurable && true) { + Object.defineProperty(inner, "caller", {get(){return 1}}); + } + var result = inner(); + if (descriptor && descriptor.configurable && true) { + assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.'); + } + + // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from + // forbidden-ext-indirect-access-prop-caller.case + // + // If the function object "inner" has an own property + // named "caller", then its value will be returned. + // + // If the function object "inner" DOES NOT have an + // own property named "caller", then the symbol + // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned. + if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) { + assert.notSameValue(result, f); + } + + callCount++; +}; +f(); +assert.sameValue(callCount, 1, 'body evaluated'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/func-expr-forbidden-ext-indirect-access-own-prop-caller-value.js b/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/func-expr-forbidden-ext-indirect-access-own-prop-caller-value.js new file mode 100644 index 0000000000..1565c72640 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/func-expr-forbidden-ext-indirect-access-own-prop-caller-value.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-value.case +// - src/function-forms/forbidden-extensions/bullet-two/func-expr.template +/*--- +description: Forbidden extension, o.caller (function expression) +esid: sec-definitions-runtime-semantics-evaluation +flags: [generated, noStrict] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + If an implementation extends any function object with an own property named "caller" the value of + that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function + object. If it is an accessor property, the function that is the value of the property's [[Get]] + attribute must never return a strict function when called. + +---*/ +var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol(); +function inner() { + // This property may exist, but is forbidden from having a value that is a strict function object + return inner.hasOwnProperty("caller") + ? inner.caller + : CALLER_OWN_PROPERTY_DOES_NOT_EXIST; +} + +var callCount = 0; +var f; +f = function() { + "use strict"; + // This and the following conditional value is set in the test's .case file. + // For every test that has a "true" value here, there is a + // corresponding test that has a "false" value here. + // They are generated from two different case files, which use + // the same templates. + let descriptor = Object.getOwnPropertyDescriptor(inner, "caller"); + if (descriptor && descriptor.configurable && true) { + Object.defineProperty(inner, "caller", {value: 1}); + } + var result = inner(); + if (descriptor && descriptor.configurable && true) { + assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.'); + } + + // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from + // forbidden-ext-indirect-access-prop-caller.case + // + // If the function object "inner" has an own property + // named "caller", then its value will be returned. + // + // If the function object "inner" DOES NOT have an + // own property named "caller", then the symbol + // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned. + if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) { + assert.notSameValue(result, f); + } + + callCount++; +}; +f(); +assert.sameValue(callCount, 1, 'body evaluated'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/func-expr-forbidden-ext-indirect-access-prop-caller.js b/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/func-expr-forbidden-ext-indirect-access-prop-caller.js new file mode 100644 index 0000000000..4276438d1e --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/func-expr-forbidden-ext-indirect-access-prop-caller.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/forbidden-ext-indirect-access-prop-caller.case +// - src/function-forms/forbidden-extensions/bullet-two/func-expr.template +/*--- +description: Forbidden extension, o.caller (function expression) +esid: sec-definitions-runtime-semantics-evaluation +flags: [generated, noStrict] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + If an implementation extends any function object with an own property named "caller" the value of + that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function + object. If it is an accessor property, the function that is the value of the property's [[Get]] + attribute must never return a strict function when called. + +---*/ +var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol(); +function inner() { + // This property may exist, but is forbidden from having a value that is a strict function object + return inner.hasOwnProperty("caller") + ? inner.caller + : CALLER_OWN_PROPERTY_DOES_NOT_EXIST; +} + +var callCount = 0; +var f; +f = function() { + "use strict"; + // This and the following conditional value is set in the test's .case file. + // For every test that has a "true" value here, there is a + // corresponding test that has a "false" value here. + // They are generated from two different case files, which use + // the same templates. + let descriptor = Object.getOwnPropertyDescriptor(inner, "caller"); + if (descriptor && descriptor.configurable && false) { + Object.defineProperty(inner, "caller", {}); + } + var result = inner(); + if (descriptor && descriptor.configurable && false) { + assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.'); + } + + // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from + // forbidden-ext-indirect-access-prop-caller.case + // + // If the function object "inner" has an own property + // named "caller", then its value will be returned. + // + // If the function object "inner" DOES NOT have an + // own property named "caller", then the symbol + // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned. + if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) { + assert.notSameValue(result, f); + } + + callCount++; +}; +f(); +assert.sameValue(callCount, 1, 'body evaluated'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/shell.js b/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/shell.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/forbidden-ext/b2/shell.js diff --git a/js/src/tests/test262/language/expressions/function/forbidden-ext/browser.js b/js/src/tests/test262/language/expressions/function/forbidden-ext/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/forbidden-ext/browser.js diff --git a/js/src/tests/test262/language/expressions/function/forbidden-ext/shell.js b/js/src/tests/test262/language/expressions/function/forbidden-ext/shell.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/forbidden-ext/shell.js diff --git a/js/src/tests/test262/language/expressions/function/length-dflt.js b/js/src/tests/test262/language/expressions/function/length-dflt.js new file mode 100644 index 0000000000..edf1b2ae3b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/length-dflt.js @@ -0,0 +1,62 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 14.1.6 +description: > + Default parameters' effect on function length +info: | + Function length is counted by the non initialized parameters in the left. + + 9.2.4 FunctionInitialize (F, kind, ParameterList, Body, Scope) + + [...] + 2. Let len be the ExpectedArgumentCount of ParameterList. + 3. Perform ! DefinePropertyOrThrow(F, "length", PropertyDescriptor{[[Value]]: + len, [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true}). + [...] + + FormalsList : FormalParameter + + 1. If HasInitializer of FormalParameter is true return 0 + 2. Return 1. + + FormalsList : FormalsList , FormalParameter + + 1. Let count be the ExpectedArgumentCount of FormalsList. + 2. If HasInitializer of FormalsList is true or HasInitializer of + FormalParameter is true, return count. + 3. Return count+1. +features: [default-parameters] +includes: [propertyHelper.js] +---*/ + + +var f1 = function (x = 42) {}; + +assert.sameValue(f1.length, 0, 'FormalsList: x = 42'); +verifyNotEnumerable(f1, 'length'); +verifyNotWritable(f1, 'length'); +verifyConfigurable(f1, 'length'); + +var f2 = function (x = 42, y) {}; + +assert.sameValue(f2.length, 0, 'FormalsList: x = 42, y'); +verifyNotEnumerable(f2, 'length'); +verifyNotWritable(f2, 'length'); +verifyConfigurable(f2, 'length'); + +var f3 = function (x, y = 42) {}; + +assert.sameValue(f3.length, 1, 'FormalsList: x, y = 42'); +verifyNotEnumerable(f3, 'length'); +verifyNotWritable(f3, 'length'); +verifyConfigurable(f3, 'length'); + +var f4 = function (x, y = 42, z) {}; + +assert.sameValue(f4.length, 1, 'FormalsList: x, y = 42, z'); +verifyNotEnumerable(f4, 'length'); +verifyNotWritable(f4, 'length'); +verifyConfigurable(f4, 'length'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/name-arguments-non-strict.js b/js/src/tests/test262/language/expressions/function/name-arguments-non-strict.js new file mode 100644 index 0000000000..030ad8cecc --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/name-arguments-non-strict.js @@ -0,0 +1,14 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 13.1-3-8 +description: > + arguments allowed as function identifier in non-strict function + expression +flags: [noStrict] +---*/ + +(function arguments (){}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/name-arguments-strict-body.js b/js/src/tests/test262/language/expressions/function/name-arguments-strict-body.js new file mode 100644 index 0000000000..95e5452bb5 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/name-arguments-strict-body.js @@ -0,0 +1,19 @@ +// |reftest| error:SyntaxError +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 13.1-42-s +description: > + StrictMode - SyntaxError is thrown if 'arguments' occurs as the + Identifier of a FunctionExpression whose FunctionBody is contained + in strict code +negative: + phase: parse + type: SyntaxError +flags: [noStrict] +---*/ + +$DONOTEVALUATE(); + +(function arguments() {'use strict';}); diff --git a/js/src/tests/test262/language/expressions/function/name-arguments-strict-strict.js b/js/src/tests/test262/language/expressions/function/name-arguments-strict-strict.js new file mode 100644 index 0000000000..593176857d --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/name-arguments-strict-strict.js @@ -0,0 +1,19 @@ +// |reftest| error:SyntaxError +'use strict'; +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 13.1-14-s +description: > + StrictMode - SyntaxError is thrown if 'arguments' occurs as the + Identifier of a FunctionExpression in strict mode +negative: + phase: parse + type: SyntaxError +flags: [onlyStrict] +---*/ + +$DONOTEVALUATE(); + +(function arguments() {}); diff --git a/js/src/tests/test262/language/expressions/function/name-eval-non-strict.js b/js/src/tests/test262/language/expressions/function/name-eval-non-strict.js new file mode 100644 index 0000000000..f01fda4c12 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/name-eval-non-strict.js @@ -0,0 +1,14 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 13.1-3-2 +description: > + eval allowed as function identifier in non-strict function + expression +flags: [noStrict] +---*/ + +(function eval(){}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/name-eval-strict-body.js b/js/src/tests/test262/language/expressions/function/name-eval-strict-body.js new file mode 100644 index 0000000000..ce9e8f759b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/name-eval-strict-body.js @@ -0,0 +1,19 @@ +// |reftest| error:SyntaxError +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 13.1-38-s +description: > + StrictMode - SyntaxError is thrown if 'eval' occurs as the + Identifier of a FunctionExpression whose FunctionBody is contained + in strict code +negative: + phase: parse + type: SyntaxError +flags: [noStrict] +---*/ + +$DONOTEVALUATE(); + +(function eval() {'use strict';}); diff --git a/js/src/tests/test262/language/expressions/function/name-eval-strict-strict.js b/js/src/tests/test262/language/expressions/function/name-eval-strict-strict.js new file mode 100644 index 0000000000..01d55428d2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/name-eval-strict-strict.js @@ -0,0 +1,19 @@ +// |reftest| error:SyntaxError +'use strict'; +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 13.1-12-s +description: > + StrictMode - SyntaxError is thrown if 'eval' occurs as the + Identifier of a FunctionExpression in strict mode +negative: + phase: parse + type: SyntaxError +flags: [onlyStrict] +---*/ + +$DONOTEVALUATE(); + +(function eval() {}); diff --git a/js/src/tests/test262/language/expressions/function/name-eval-stricteval.js b/js/src/tests/test262/language/expressions/function/name-eval-stricteval.js new file mode 100644 index 0000000000..bcfeaac1c3 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/name-eval-stricteval.js @@ -0,0 +1,17 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 13.1-37-s +description: > + StrictMode - SyntaxError is thrown if 'eval' occurs as the + Identifier of a FunctionExpression in strict eval code +flags: [noStrict] +---*/ + + var _13_1_37_s = {}; +assert.throws(SyntaxError, function() { + eval("'use strict'; _13_1_37_s.x = function eval() {};"); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/name.js b/js/src/tests/test262/language/expressions/function/name.js new file mode 100644 index 0000000000..f22b407883 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/name.js @@ -0,0 +1,38 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-function-definitions-runtime-semantics-evaluation +description: Assignment of function `name` attribute +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + 1. Let scope be the LexicalEnvironment of the running execution context. + 2. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, ""). + ... + 5. Return closure. + + FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody } + + 1. Let scope be the running execution context's LexicalEnvironment. + 2. Let funcEnv be NewDeclarativeEnvironment(scope). + 3. Let envRec be funcEnv's EnvironmentRecord. + 4. Let name be StringValue of BindingIdentifier. + 5. Perform envRec.CreateImmutableBinding(name, false). + 6. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + funcEnv, name). + ... + 10. Return closure. +includes: [propertyHelper.js] +---*/ + +verifyProperty(function() {}, "name", { + value: "", writable: false, enumerable: false, configurable: true +}); + +verifyProperty(function func() {}, "name", { + value: "func", writable: false, enumerable: false, configurable: true +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/named-no-strict-reassign-fn-name-in-body-in-arrow.js b/js/src/tests/test262/language/expressions/function/named-no-strict-reassign-fn-name-in-body-in-arrow.js new file mode 100644 index 0000000000..e252daeb6b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/named-no-strict-reassign-fn-name-in-body-in-arrow.js @@ -0,0 +1,26 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/reassign-fn-name-in-body-in-arrow.case +// - src/function-forms/expr-named/func-expr-named-no-strict.template +/*--- +description: Reassignment of function name is silently ignored in non-strict mode code. (named function expression in non-strict mode code) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated, noStrict] +info: | + FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody } + +---*/ + +// increment callCount in case "body" +let callCount = 0; +let ref = function BindingIdentifier() { + callCount++; + (() => { + BindingIdentifier = 1; + })(); + return BindingIdentifier; +}; + +assert.sameValue(ref(), ref); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/named-no-strict-reassign-fn-name-in-body-in-eval.js b/js/src/tests/test262/language/expressions/function/named-no-strict-reassign-fn-name-in-body-in-eval.js new file mode 100644 index 0000000000..57960fc9df --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/named-no-strict-reassign-fn-name-in-body-in-eval.js @@ -0,0 +1,24 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/reassign-fn-name-in-body-in-eval.case +// - src/function-forms/expr-named/func-expr-named-no-strict.template +/*--- +description: Reassignment of function name is silently ignored in non-strict mode code. (named function expression in non-strict mode code) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated, noStrict] +info: | + FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody } + +---*/ + +// increment callCount in case "body" +let callCount = 0; +let ref = function BindingIdentifier() { + callCount++; + eval("BindingIdentifier = 1"); + return BindingIdentifier; +}; + +assert.sameValue(ref(), ref); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/named-no-strict-reassign-fn-name-in-body.js b/js/src/tests/test262/language/expressions/function/named-no-strict-reassign-fn-name-in-body.js new file mode 100644 index 0000000000..60d9da1cde --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/named-no-strict-reassign-fn-name-in-body.js @@ -0,0 +1,24 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/reassign-fn-name-in-body.case +// - src/function-forms/expr-named/func-expr-named-no-strict.template +/*--- +description: Reassignment of function name is silently ignored in non-strict mode code. (named function expression in non-strict mode code) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated, noStrict] +info: | + FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody } + +---*/ + +// increment callCount in case "body" +let callCount = 0; +let ref = function BindingIdentifier() { + callCount++; + BindingIdentifier = 1; + return BindingIdentifier; +}; + +assert.sameValue(ref(), ref); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/named-strict-error-reassign-fn-name-in-body-in-arrow-strict.js b/js/src/tests/test262/language/expressions/function/named-strict-error-reassign-fn-name-in-body-in-arrow-strict.js new file mode 100644 index 0000000000..ab9fed2175 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/named-strict-error-reassign-fn-name-in-body-in-arrow-strict.js @@ -0,0 +1,29 @@ +'use strict'; +// This file was procedurally generated from the following sources: +// - src/function-forms/reassign-fn-name-in-body-in-arrow.case +// - src/function-forms/expr-named/func-expr-named-strict-error.template +/*--- +description: Reassignment of function name is silently ignored in non-strict mode code. (named function expression in strict mode code) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated, onlyStrict] +info: | + FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody } + +---*/ + +// increment callCount in case "body" +let callCount = 0; +let ref = function BindingIdentifier() { + callCount++; + (() => { + BindingIdentifier = 1; + })(); + return BindingIdentifier; +}; + +assert.throws(TypeError, () => { + ref(); +}); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/named-strict-error-reassign-fn-name-in-body-in-eval-strict.js b/js/src/tests/test262/language/expressions/function/named-strict-error-reassign-fn-name-in-body-in-eval-strict.js new file mode 100644 index 0000000000..278798315f --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/named-strict-error-reassign-fn-name-in-body-in-eval-strict.js @@ -0,0 +1,27 @@ +'use strict'; +// This file was procedurally generated from the following sources: +// - src/function-forms/reassign-fn-name-in-body-in-eval.case +// - src/function-forms/expr-named/func-expr-named-strict-error.template +/*--- +description: Reassignment of function name is silently ignored in non-strict mode code. (named function expression in strict mode code) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated, onlyStrict] +info: | + FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody } + +---*/ + +// increment callCount in case "body" +let callCount = 0; +let ref = function BindingIdentifier() { + callCount++; + eval("BindingIdentifier = 1"); + return BindingIdentifier; +}; + +assert.throws(TypeError, () => { + ref(); +}); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/named-strict-error-reassign-fn-name-in-body-strict.js b/js/src/tests/test262/language/expressions/function/named-strict-error-reassign-fn-name-in-body-strict.js new file mode 100644 index 0000000000..df7b85b637 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/named-strict-error-reassign-fn-name-in-body-strict.js @@ -0,0 +1,27 @@ +'use strict'; +// This file was procedurally generated from the following sources: +// - src/function-forms/reassign-fn-name-in-body.case +// - src/function-forms/expr-named/func-expr-named-strict-error.template +/*--- +description: Reassignment of function name is silently ignored in non-strict mode code. (named function expression in strict mode code) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated, onlyStrict] +info: | + FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody } + +---*/ + +// increment callCount in case "body" +let callCount = 0; +let ref = function BindingIdentifier() { + callCount++; + BindingIdentifier = 1; + return BindingIdentifier; +}; + +assert.throws(TypeError, () => { + ref(); +}); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/object-destructuring-param-strict-body.js b/js/src/tests/test262/language/expressions/function/object-destructuring-param-strict-body.js new file mode 100644 index 0000000000..1e401e31ec --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/object-destructuring-param-strict-body.js @@ -0,0 +1,133 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/function-forms/object-destructuring-param-strict-body.case +// - src/function-forms/syntax/func-expr.template +/*--- +description: ObjectBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [rest-parameters] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.4 Static Semantics: IsSimpleParameterList + + BindingElement : BindingPattern + + 1. Return false. + + 14.1.2 Static Semantics: Early Errors + + FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody } + FunctionDeclaration : function ( FormalParameters ) { FunctionBody } + FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody } + + - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and + IsSimpleParameterList of FormalParameters is false. + + 14.2.1 Static Semantics: Early Errors + + ArrowFunction : ArrowParameters => ConciseBody + + - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and + IsSimpleParameterList of ArrowParameters is false. + + 14.3.1 Static Semantics: Early Errors + + MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody } + + - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody } + + - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and + IsSimpleParameterList of PropertySetParameterList is false. + + 14.4.1 Static Semantics: Early Errors + + GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody } + GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody } + GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + 14.5.1 Static Semantics: Early Errors + + AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody } + AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody } + AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and + IsSimpleParameterList of FormalParameters is false. + + 14.7.1 Static Semantics: Early Errors + + AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody } + AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody } + AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody } + AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and + IsSimpleParameterList of FormalParameters is false. + + 14.8.1 Static Semantics: Early Errors + + AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody + + - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and + IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false. + +---*/ +$DONOTEVALUATE(); + +0, function({property}) { + "use strict"; +}; diff --git a/js/src/tests/test262/language/expressions/function/param-arguments-non-strict.js b/js/src/tests/test262/language/expressions/function/param-arguments-non-strict.js new file mode 100644 index 0000000000..010e3c4394 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-arguments-non-strict.js @@ -0,0 +1,14 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 13.1-2-6 +description: > + arguments allowed as formal parameter name of a non-strict + function expression +flags: [noStrict] +---*/ + +(function foo(arguments){}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/param-dflt-yield-non-strict.js b/js/src/tests/test262/language/expressions/function/param-dflt-yield-non-strict.js new file mode 100644 index 0000000000..2b47209a5e --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-dflt-yield-non-strict.js @@ -0,0 +1,29 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-function-definitions +es6id: 14.1 +description: > + The `yield` token is interpreted as an IdentifierReference within a generator + and outside of strict mode +info: | + FunctionExpression : + function BindingIdentifieropt ( FormalParameters ) { FunctionBody } +features: [generators, default-parameters] +flags: [noStrict] +---*/ + +var yield = 23; +var paramValue; + +function *g() { + (function(x = yield) { + paramValue = x; + }()); +} + +g().next(); + +assert.sameValue(paramValue, 23); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/param-dflt-yield-strict-strict.js b/js/src/tests/test262/language/expressions/function/param-dflt-yield-strict-strict.js new file mode 100644 index 0000000000..3173fee194 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-dflt-yield-strict-strict.js @@ -0,0 +1,27 @@ +// |reftest| error:SyntaxError +'use strict'; +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-function-definitions +es6id: 14.1 +description: > + The `yield` token is interpreted as an IdentifierReference within a generator + and outside of strict mode +info: | + FunctionExpression : + function BindingIdentifieropt ( FormalParameters ) { FunctionBody } +features: [generators, default-parameters] +flags: [onlyStrict] +negative: + phase: parse + type: SyntaxError +---*/ + +$DONOTEVALUATE(); + +function *g() { + 0, function(x = yield) { + paramValue = x; + }; +} diff --git a/js/src/tests/test262/language/expressions/function/param-duplicated-non-strict.js b/js/src/tests/test262/language/expressions/function/param-duplicated-non-strict.js new file mode 100644 index 0000000000..b4c26e1bec --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-duplicated-non-strict.js @@ -0,0 +1,14 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 13.1-1-2 +description: > + Duplicate identifier allowed in non-strict function expression + parameter list +flags: [noStrict] +---*/ + +(function foo(a,a){}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/param-duplicated-strict-1-strict.js b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-1-strict.js new file mode 100644 index 0000000000..65fe3dce50 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-1-strict.js @@ -0,0 +1,24 @@ +// |reftest| error:SyntaxError +'use strict'; +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + Refer 13.1; + It is a SyntaxError if any Identifier value occurs more than once within a FormalParameterList of a strict mode + FunctionDeclaration or FunctionExpression. +es5id: 13.1-8-s +description: > + Strict Mode - SyntaxError is thrown if a function is created in + 'strict mode' using a FunctionExpression and the function has two + identical parameters +negative: + phase: parse + type: SyntaxError +flags: [onlyStrict] +---*/ + +$DONOTEVALUATE(); + +(function (param, param) { }); diff --git a/js/src/tests/test262/language/expressions/function/param-duplicated-strict-2-strict.js b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-2-strict.js new file mode 100644 index 0000000000..e94bd31573 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-2-strict.js @@ -0,0 +1,25 @@ +// |reftest| error:SyntaxError +'use strict'; +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + Refer 13.1; + It is a SyntaxError if any Identifier value occurs more than once within a FormalParameterList of a strict mode + FunctionDeclaration or FunctionExpression. +es5id: 13.1-9-s +description: > + Strict Mode - SyntaxError is thrown if a function is created in + 'strict mode' using a FunctionExpression and the function has two + identical parameters, which are separated by a unique parameter + name +negative: + phase: parse + type: SyntaxError +flags: [onlyStrict] +---*/ + +$DONOTEVALUATE(); + +(function (param1, param2, param1) { }); diff --git a/js/src/tests/test262/language/expressions/function/param-duplicated-strict-3-strict.js b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-3-strict.js new file mode 100644 index 0000000000..d88fddab0d --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-3-strict.js @@ -0,0 +1,24 @@ +// |reftest| error:SyntaxError +'use strict'; +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + Refer 13.1; + It is a SyntaxError if any Identifier value occurs more than once within a FormalParameterList of a strict mode + FunctionDeclaration or FunctionExpression. +es5id: 13.1-10-s +description: > + Strict Mode - SyntaxError is thrown if a function is created in + 'strict mode' using a FunctionExpression and the function has + three identical parameters +negative: + phase: parse + type: SyntaxError +flags: [onlyStrict] +---*/ + +$DONOTEVALUATE(); + +(function (param, param, param) { }); diff --git a/js/src/tests/test262/language/expressions/function/param-duplicated-strict-body-1.js b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-body-1.js new file mode 100644 index 0000000000..ac130ef625 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-body-1.js @@ -0,0 +1,23 @@ +// |reftest| error:SyntaxError +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + Refer 13.1; + It is a SyntaxError if any Identifier value occurs more than once within a FormalParameterList of a strict mode + FunctionDeclaration or FunctionExpression. +es5id: 13.1-30-s +description: > + Strict Mode - SyntaxError is thrown if a function is created using + a FunctionExpression whose FunctionBody is contained in strict + code and the function has two identical parameters +negative: + phase: parse + type: SyntaxError +flags: [noStrict] +---*/ + +$DONOTEVALUATE(); + +(function (param, param) { 'use strict'; }); diff --git a/js/src/tests/test262/language/expressions/function/param-duplicated-strict-body-2.js b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-body-2.js new file mode 100644 index 0000000000..aac1570ad8 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-body-2.js @@ -0,0 +1,24 @@ +// |reftest| error:SyntaxError +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + Refer 13.1; + It is a SyntaxError if any Identifier value occurs more than once within a FormalParameterList of a strict mode + FunctionDeclaration or FunctionExpression. +es5id: 13.1-32-s +description: > + Strict Mode - SyntaxError is thrown if a function is created using + a FunctionExpression whose FunctionBody is strict and the function + has two identical parameters, which are separated by a unique + parameter name +negative: + phase: parse + type: SyntaxError +flags: [noStrict] +---*/ + +$DONOTEVALUATE(); + +(function (param1, param2, param1) { 'use strict'; }); diff --git a/js/src/tests/test262/language/expressions/function/param-duplicated-strict-body-3.js b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-body-3.js new file mode 100644 index 0000000000..4a791e5446 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-duplicated-strict-body-3.js @@ -0,0 +1,22 @@ +// |reftest| error:SyntaxError +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + Refer 13.1; + It is a SyntaxError if any Identifier value occurs more than once within a FormalParameterList of a strict mode + FunctionDeclaration or FunctionExpression. +es5id: 13.1-34-s +description: > + Strict Mode - SyntaxError is thrown if a function declaration has + three identical parameters with a strict mode body +negative: + phase: parse + type: SyntaxError +flags: [noStrict] +---*/ + +$DONOTEVALUATE(); + +(function (param, param, param) { 'use strict'; }); diff --git a/js/src/tests/test262/language/expressions/function/param-eval-non-strict-is-correct-value.js b/js/src/tests/test262/language/expressions/function/param-eval-non-strict-is-correct-value.js new file mode 100644 index 0000000000..dadd048b68 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-eval-non-strict-is-correct-value.js @@ -0,0 +1,23 @@ +// Copyright (c) 2020 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-strict-mode-of-ecmascript +description: > + eval allowed as formal parameter name of a non-strict function expression +flags: [noStrict] +---*/ + +let exprCallCount = 0; +let evalValue = {}; + +let foo = function(eval) { + assert.sameValue(eval, evalValue); + exprCallCount += 1; +}; + +foo(evalValue); + +assert.sameValue(exprCallCount, 1); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/param-eval-non-strict.js b/js/src/tests/test262/language/expressions/function/param-eval-non-strict.js new file mode 100644 index 0000000000..042cc1c50b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-eval-non-strict.js @@ -0,0 +1,14 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 13.1-2-2 +description: > + eval allowed as formal parameter name of a non-strict function + expression +flags: [noStrict] +---*/ + +(function foo(eval){}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/param-eval-strict-body.js b/js/src/tests/test262/language/expressions/function/param-eval-strict-body.js new file mode 100644 index 0000000000..676ddeb3ed --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-eval-strict-body.js @@ -0,0 +1,23 @@ +// |reftest| error:SyntaxError +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + Refer 13.1; + It is a SyntaxError if the Identifier "eval" or the Identifier "arguments" occurs within a FormalParameterList + of a strict mode FunctionDeclaration or FunctionExpression. +es5id: 13.1-18-s +description: > + StrictMode - SyntaxError is thrown if the identifier 'eval' + appears within a FormalParameterList of a strict mode + FunctionExpression when FuctionBody is strict code +negative: + phase: parse + type: SyntaxError +flags: [noStrict] +---*/ + +$DONOTEVALUATE(); + +(function (eval) { 'use strict'; }); diff --git a/js/src/tests/test262/language/expressions/function/param-eval-stricteval.js b/js/src/tests/test262/language/expressions/function/param-eval-stricteval.js new file mode 100644 index 0000000000..2bdfac4ae1 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/param-eval-stricteval.js @@ -0,0 +1,22 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + Refer 13.1; + It is a SyntaxError if the Identifier "eval" or the Identifier "arguments" occurs within a FormalParameterList + of a strict mode FunctionDeclaration or FunctionExpression. +es5id: 13.1-17-s +description: > + StrictMode - SyntaxError is thrown if the identifier 'eval' + appears within a FormalParameterList of a strict mode + FunctionExpression in strict eval code +flags: [noStrict] +---*/ + + +assert.throws(SyntaxError, function() { + eval("'use strict'; var _13_1_17_fun = function (eval) { }"); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/params-dflt-args-unmapped.js b/js/src/tests/test262/language/expressions/function/params-dflt-args-unmapped.js new file mode 100644 index 0000000000..daf25a8e78 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/params-dflt-args-unmapped.js @@ -0,0 +1,84 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: Referencing the arguments object from a default parameter (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +es6id: 14.1.20 +features: [default-parameters] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 14.1.19 Runtime Semantics: IteratorBindingInitialization + + FormalsList : FormalsList , FormalParameter + + 1. Let status be the result of performing IteratorBindingInitialization for + FormalsList using iteratorRecord and environment as the arguments. + 2. ReturnIfAbrupt(status). + 3. Return the result of performing IteratorBindingInitialization for + FormalParameter using iteratorRecord and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function(x, _ = 0) { + assert.sameValue(x, undefined, 'parameter binding value (initial)'); + assert.sameValue( + arguments[0], undefined, 'arguments property value (initial)' + ); + + arguments[0] = 1; + + assert.sameValue( + x, undefined, 'parameter binding value (after arguments modification)' + ); + assert.sameValue( + arguments[0], 1, 'arguments property value (after arguments modification)' + ); + + x = 2; + + assert.sameValue( + x, 2, 'parameter binding value (after parameter binding modification)' + ); + assert.sameValue( + arguments[0], + 1, + 'arguments property value (after parameter binding modification)' + ); + callCount = callCount + 1; +}; + +f(); + +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/params-dflt-ref-arguments.js b/js/src/tests/test262/language/expressions/function/params-dflt-ref-arguments.js new file mode 100644 index 0000000000..3bee227fa6 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/params-dflt-ref-arguments.js @@ -0,0 +1,63 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: Referencing the arguments object from a default parameter (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +es6id: 14.1.20 +features: [default-parameters] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 14.1.19 Runtime Semantics: IteratorBindingInitialization + + FormalsList : FormalsList , FormalParameter + + 1. Let status be the result of performing IteratorBindingInitialization for + FormalsList using iteratorRecord and environment as the arguments. + 2. ReturnIfAbrupt(status). + 3. Return the result of performing IteratorBindingInitialization for + FormalParameter using iteratorRecord and environment as the arguments. +---*/ + +var callCount = 0; +var f; +f = function(x = arguments[2], y = arguments[3], z) { + assert.sameValue(x, 'third', 'first parameter'); + assert.sameValue(y, 'fourth', 'second parameter'); + assert.sameValue(z, 'third', 'third parameter'); + callCount = callCount + 1; +}; + +f(undefined, undefined, 'third', 'fourth'); + +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/params-trailing-comma-multiple.js b/js/src/tests/test262/language/expressions/function/params-trailing-comma-multiple.js new file mode 100644 index 0000000000..8f8a1a2b73 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/params-trailing-comma-multiple.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/params-trailing-comma-multiple.case +// - src/function-forms/default/func-expr.template +/*--- +description: A trailing comma should not increase the respective length, using multiple parameters (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Trailing comma in the parameters list + + 14.1 Function Definitions + + FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] , +---*/ + +var callCount = 0; +// Stores a reference `ref` for case evaluation +var ref; +ref = function(a, b,) { + assert.sameValue(a, 42); + assert.sameValue(b, 39); + callCount = callCount + 1; +}; + +ref(42, 39, 1); + +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +assert.sameValue(ref.length, 2, 'length is properly set'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/params-trailing-comma-single.js b/js/src/tests/test262/language/expressions/function/params-trailing-comma-single.js new file mode 100644 index 0000000000..a91ca4ce6a --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/params-trailing-comma-single.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/params-trailing-comma-single.case +// - src/function-forms/default/func-expr.template +/*--- +description: A trailing comma should not increase the respective length, using a single parameter (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Trailing comma in the parameters list + + 14.1 Function Definitions + + FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] , +---*/ + +var callCount = 0; +// Stores a reference `ref` for case evaluation +var ref; +ref = function(a,) { + assert.sameValue(a, 42); + callCount = callCount + 1; +}; + +ref(42, 39); + +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +assert.sameValue(ref.length, 1, 'length is properly set'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/rest-param-strict-body.js b/js/src/tests/test262/language/expressions/function/rest-param-strict-body.js new file mode 100644 index 0000000000..2aa8e37cbe --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/rest-param-strict-body.js @@ -0,0 +1,133 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/function-forms/rest-param-strict-body.case +// - src/function-forms/syntax/func-expr.template +/*--- +description: RestParameter and Use Strict Directive are not allowed to coexist for the same function. (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [rest-parameters] +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 14.1.13 Static Semantics: IsSimpleParameterList + + FormalParameters : FormalParameterList , FunctionRestParameter + + 1. Return false. + + 14.1.2 Static Semantics: Early Errors + + FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody } + FunctionDeclaration : function ( FormalParameters ) { FunctionBody } + FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody } + + - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and + IsSimpleParameterList of FormalParameters is false. + + 14.2.1 Static Semantics: Early Errors + + ArrowFunction : ArrowParameters => ConciseBody + + - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and + IsSimpleParameterList of ArrowParameters is false. + + 14.3.1 Static Semantics: Early Errors + + MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody } + + - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody } + + - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and + IsSimpleParameterList of PropertySetParameterList is false. + + 14.4.1 Static Semantics: Early Errors + + GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody } + GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody } + GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + 14.5.1 Static Semantics: Early Errors + + AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody } + AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody } + AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and + IsSimpleParameterList of FormalParameters is false. + + 14.7.1 Static Semantics: Early Errors + + AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and + IsSimpleParameterList of UniqueFormalParameters is false. + + AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody } + AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody } + AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody } + AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody } + + - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and + IsSimpleParameterList of FormalParameters is false. + + 14.8.1 Static Semantics: Early Errors + + AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody + + - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and + IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false. + +---*/ +$DONOTEVALUATE(); + +0, function(a,...rest) { + "use strict"; +}; diff --git a/js/src/tests/test262/language/expressions/function/rest-params-trailing-comma-early-error.js b/js/src/tests/test262/language/expressions/function/rest-params-trailing-comma-early-error.js new file mode 100644 index 0000000000..ad4dd97438 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/rest-params-trailing-comma-early-error.js @@ -0,0 +1,58 @@ +// |reftest| error:SyntaxError +// This file was procedurally generated from the following sources: +// - src/function-forms/rest-params-trailing-comma-early-error.case +// - src/function-forms/syntax/func-expr.template +/*--- +description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +flags: [generated] +negative: + phase: parse + type: SyntaxError +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + Trailing comma in the parameters list + + 14.1 Function Definitions + + FormalParameters[Yield, Await] : + [empty] + FunctionRestParameter[?Yield, ?Await] + FormalParameterList[?Yield, ?Await] + FormalParameterList[?Yield, ?Await] , + FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await] +---*/ +$DONOTEVALUATE(); + +0, function(...a,) { + +}; diff --git a/js/src/tests/test262/language/expressions/function/scope-body-lex-distinct.js b/js/src/tests/test262/language/expressions/function/scope-body-lex-distinct.js new file mode 100644 index 0000000000..7cba86042e --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/scope-body-lex-distinct.js @@ -0,0 +1,51 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-functiondeclarationinstantiation +description: > + Creation of new lexical environment (distinct from the variable + environment) for the function body outside of strict mode +info: | + [...] + 29. If strict is false, then + a. Let lexEnv be NewDeclarativeEnvironment(varEnv). + b. NOTE: Non-strict functions use a separate lexical Environment Record + for top-level lexical declarations so that a direct eval can + determine whether any var scoped declarations introduced by the eval + code conflict with pre-existing top-level lexically scoped + declarations. This is not needed for strict functions because a + strict direct eval always places all declarations into a new + Environment Record. + [...] + + 18.2.1.3 Runtime Semantics: EvalDeclarationInstantiation + + [...] + 5. If strict is false, then + [...] + b. Let thisLex be lexEnv. + c. Assert: The following loop will terminate. + d. Repeat while thisLex is not the same as varEnv, + i. Let thisEnvRec be thisLex's EnvironmentRecord. + ii. If thisEnvRec is not an object Environment Record, then + 1. NOTE: The environment of with statements cannot contain any + lexical declaration so it doesn't need to be checked for + var/let hoisting conflicts. + 2. For each name in varNames, do + a. If thisEnvRec.HasBinding(name) is true, then + i. Throw a SyntaxError exception. + ii. NOTE: Annex B.3.5 defines alternate semantics for the + above step. + b. NOTE: A direct eval will not hoist var declaration over a + like-named lexical declaration. + iii. Let thisLex be thisLex's outer environment reference. +flags: [noStrict] +features: [let] +---*/ + +assert.throws(SyntaxError, function() { + let x; + eval('var x;'); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/scope-name-var-close.js b/js/src/tests/test262/language/expressions/function/scope-name-var-close.js new file mode 100644 index 0000000000..2114f5ad5c --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/scope-name-var-close.js @@ -0,0 +1,30 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-function-definitions-runtime-semantics-evaluation +description: Removal of variable environment for the BindingIdentifier +info: | + [...] + 2. Let scope be the running execution context's LexicalEnvironment. + 3. Let funcEnv be NewDeclarativeEnvironment(scope). + 4. Let envRec be funcEnv's EnvironmentRecord. + 5. Let name be StringValue of BindingIdentifier. + 6. Perform envRec.CreateImmutableBinding(name, false). + 7. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + funcEnv, strict). + [...] +---*/ + +var probe; + +var func = function f() { + probe = function() { return f; }; +}; +var f = 'outside'; + +func(); + +assert.sameValue(f, 'outside'); +assert.sameValue(probe(), func); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/scope-name-var-open-non-strict.js b/js/src/tests/test262/language/expressions/function/scope-name-var-open-non-strict.js new file mode 100644 index 0000000000..4d52ee06c5 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/scope-name-var-open-non-strict.js @@ -0,0 +1,52 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-function-definitions-runtime-semantics-evaluation +description: > + Creation of new variable environment for the BindingIdentifier + parameter +info: | + [...] + 2. Let scope be the running execution context's LexicalEnvironment. + 3. Let funcEnv be NewDeclarativeEnvironment(scope). + 4. Let envRec be funcEnv's EnvironmentRecord. + 5. Let name be StringValue of BindingIdentifier. + 6. Perform envRec.CreateImmutableBinding(name, false). + 7. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + funcEnv, strict). + [...] +flags: [noStrict] +---*/ + +var f = 'outside'; +var probeBefore = function() { return f; }; +var setBefore = function() { f = null; }; +var probeParams, setParams, probeBody, setBody; + +var func = function f( + _ = ( + probeParams = function() { return f; }, + setParams = function() { f = null; } + ) + ) { + probeBody = function() { return f; }; + setBody = function() { f = null; }; +}; + +func(); + +assert.sameValue(probeBefore(), 'outside'); +setBefore(); +assert.sameValue(probeBefore(), null); + +assert.sameValue(probeParams(), func, 'inner binding value (from parameters)'); +setParams(); +assert.sameValue( + probeParams(), func, 'inner binding is immutable (from parameters)' +); + +assert.sameValue(probeBody(), func, 'inner binding value (from body)'); +setBody(); +assert.sameValue(probeBody(), func, 'inner binding is immutable (from body)'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/scope-name-var-open-strict-strict.js b/js/src/tests/test262/language/expressions/function/scope-name-var-open-strict-strict.js new file mode 100644 index 0000000000..e1afa2fab6 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/scope-name-var-open-strict-strict.js @@ -0,0 +1,57 @@ +'use strict'; +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-function-definitions-runtime-semantics-evaluation +description: > + Creation of new variable environment for the BindingIdentifier + parameter +info: | + [...] + 2. Let scope be the running execution context's LexicalEnvironment. + 3. Let funcEnv be NewDeclarativeEnvironment(scope). + 4. Let envRec be funcEnv's EnvironmentRecord. + 5. Let name be StringValue of BindingIdentifier. + 6. Perform envRec.CreateImmutableBinding(name, false). + 7. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + funcEnv, strict). + [...] +flags: [onlyStrict] +---*/ + +var f = 'outside'; +var probeBefore = function() { return f; }; +var setBefore = function() { f = null; }; +var probeParams, setParams, probeBody, setBody; + +var func = function f( + _ = ( + probeParams = function() { return f; }, + setParams = function() { f = null; } + ) + ) { + probeBody = function() { return f; }; + setBody = function() { f = null; }; +}; + +func(); + +assert.sameValue(probeBefore(), 'outside'); +setBefore(); +assert.sameValue(probeBefore(), null); + +assert.sameValue(probeParams(), func, 'inner binding value (from parameters)'); +assert.throws( + TypeError, setParams, 'inner binding rejects modification (from parameters)' +); +assert.sameValue( + probeParams(), func, 'inner binding is immutable (from parameters)' +); + +assert.sameValue(probeBody(), func, 'inner binding value (from body)'); +assert.throws( + TypeError, setBody, 'inner binding rejects modification (from body)' +); +assert.sameValue(probeBody(), func, 'inner binding is immutable (from body)'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/scope-param-elem-var-close.js b/js/src/tests/test262/language/expressions/function/scope-param-elem-var-close.js new file mode 100644 index 0000000000..4ed7ddbdba --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/scope-param-elem-var-close.js @@ -0,0 +1,32 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-functiondeclarationinstantiation +description: > + sloppy direct evals in params introduce vars +info: | + [...] + 20. Else, + a. NOTE: A separate Environment Record is needed to ensure that bindings created by direct eval calls in the formal parameter list are outside the environment where parameters are declared. + b. Let calleeEnv be the LexicalEnvironment of calleeContext. + c. Let env be NewDeclarativeEnvironment(calleeEnv). + d. Let envRec be env's EnvironmentRecord. + [...] +flags: [noStrict] +---*/ + +var x = 'outside'; +var probe1, probe2, probeBody; + +(function( + _ = (eval('var x = "inside";'), probe1 = function() { return x; }), + __ = probe2 = function() { return x; } + ) { + probeBody = function() { return x; }; +}()); + +assert.sameValue(probe1(), 'inside'); +assert.sameValue(probe2(), 'inside'); +assert.sameValue(probeBody(), 'inside'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/scope-param-elem-var-open.js b/js/src/tests/test262/language/expressions/function/scope-param-elem-var-open.js new file mode 100644 index 0000000000..76953069fc --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/scope-param-elem-var-open.js @@ -0,0 +1,30 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-functiondeclarationinstantiation +description: > + sloppy direct evals in params introduce vars +info: | + [...] + 20. Else, + a. NOTE: A separate Environment Record is needed to ensure that bindings created by direct eval calls in the formal parameter list are outside the environment where parameters are declared. + b. Let calleeEnv be the LexicalEnvironment of calleeContext. + c. Let env be NewDeclarativeEnvironment(calleeEnv). + d. Let envRec be env's EnvironmentRecord. + [...] +flags: [noStrict] +---*/ + +var x = 'outside'; +var probe1, probe2; + +(function( + _ = probe1 = function() { return x; }, + __ = (eval('var x = "inside";'), probe2 = function() { return x; }) + ) { +}()); + +assert.sameValue(probe1(), 'inside'); +assert.sameValue(probe2(), 'inside'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/scope-param-rest-elem-var-close.js b/js/src/tests/test262/language/expressions/function/scope-param-rest-elem-var-close.js new file mode 100644 index 0000000000..a1f583d256 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/scope-param-rest-elem-var-close.js @@ -0,0 +1,30 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-functiondeclarationinstantiation +description: > + sloppy direct evals in params introduce vars +info: | + [...] + 20. Else, + a. NOTE: A separate Environment Record is needed to ensure that bindings created by direct eval calls in the formal parameter list are outside the environment where parameters are declared. + b. Let calleeEnv be the LexicalEnvironment of calleeContext. + c. Let env be NewDeclarativeEnvironment(calleeEnv). + d. Let envRec be env's EnvironmentRecord. + [...] +flags: [noStrict] +---*/ + +var x = 'outside'; +var probeParam, probeBody; + +(function( + ...[_ = (eval('var x = "inside";'), probeParam = function() { return x; })] + ) { + probeBody = function() { return x; } +}()); + +assert.sameValue(probeParam(), 'inside'); +assert.sameValue(probeBody(), 'inside'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/scope-param-rest-elem-var-open.js b/js/src/tests/test262/language/expressions/function/scope-param-rest-elem-var-open.js new file mode 100644 index 0000000000..fd636f75e1 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/scope-param-rest-elem-var-open.js @@ -0,0 +1,30 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-functiondeclarationinstantiation +description: > + sloppy direct evals in params introduce vars +info: | + [...] + 20. Else, + a. NOTE: A separate Environment Record is needed to ensure that bindings created by direct eval calls in the formal parameter list are outside the environment where parameters are declared. + b. Let calleeEnv be the LexicalEnvironment of calleeContext. + c. Let env be NewDeclarativeEnvironment(calleeEnv). + d. Let envRec be env's EnvironmentRecord. + [...] +flags: [noStrict] +---*/ + +var x = 'outside'; +var probe1, probe2; + +(function( + _ = probe1 = function() { return x; }, + ...[__ = (eval('var x = "inside";'), probe2 = function() { return x; })] + ) { +}()); + +assert.sameValue(probe1(), 'inside'); +assert.sameValue(probe2(), 'inside'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/scope-paramsbody-var-close.js b/js/src/tests/test262/language/expressions/function/scope-paramsbody-var-close.js new file mode 100644 index 0000000000..25679c5104 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/scope-paramsbody-var-close.js @@ -0,0 +1,36 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-functiondeclarationinstantiation +description: > + Removal of variable environment for the function body +info: | + [...] + 26. If hasParameterExpressions is false, then + [...] + 27. Else, + a. NOTE A separate Environment Record is needed to ensure that closures + created by expressions in the formal parameter list do not have + visibility of declarations in the function body. + b. Let varEnv be NewDeclarativeEnvironment(env). + c. Let varEnvRec be varEnv's EnvironmentRecord. + d. Set the VariableEnvironment of calleeContext to varEnv. + e. Let instantiatedVarNames be a new empty List. + [...] +---*/ + +var probe; + +// A parameter expression is necessary to trigger the creation of the scope +// under test. +(function(_ = null) { + var x = 'inside'; + probe = function() { return x; }; +}()); + +var x = 'outside'; + +assert.sameValue(probe(), 'inside'); +assert.sameValue(x, 'outside'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/scope-paramsbody-var-open.js b/js/src/tests/test262/language/expressions/function/scope-paramsbody-var-open.js new file mode 100644 index 0000000000..1066cb066b --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/scope-paramsbody-var-open.js @@ -0,0 +1,34 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-functiondeclarationinstantiation +description: > + Creation of new variable environment for the function body (as distinct from + that for the function's parameters) +info: | + [...] + 26. If hasParameterExpressions is false, then + [...] + 27. Else, + a. NOTE A separate Environment Record is needed to ensure that closures + created by expressions in the formal parameter list do not have + visibility of declarations in the function body. + b. Let varEnv be NewDeclarativeEnvironment(env). + c. Let varEnvRec be varEnv's EnvironmentRecord. + d. Set the VariableEnvironment of calleeContext to varEnv. + e. Let instantiatedVarNames be a new empty List. + [...] +---*/ + +var x = 'outside'; +var probeParams, probeBody; + +(function(_ = probeParams = function() { return x; }) { + var x = 'inside'; + probeBody = function() { return x; }; +}()); + +assert.sameValue(probeParams(), 'outside'); +assert.sameValue(probeBody(), 'inside'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/shell.js b/js/src/tests/test262/language/expressions/function/shell.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/shell.js diff --git a/js/src/tests/test262/language/expressions/function/static-init-await-binding.js b/js/src/tests/test262/language/expressions/function/static-init-await-binding.js new file mode 100644 index 0000000000..1b0f36d2f9 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/static-init-await-binding.js @@ -0,0 +1,20 @@ +// Copyright (C) 2021 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-class-definitions-static-semantics-early-errors +description: The `await` keyword is interpreted as an IdentifierReference within function expressions +info: | + ClassStaticBlockBody : ClassStaticBlockStatementList + + [...] + - It is a Syntax Error if ContainsAwait of ClassStaticBlockStatementList is true. +features: [class-static-block] +---*/ + +class C { + static { + (function await(await) {}); + } +} + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/static-init-await-reference.js b/js/src/tests/test262/language/expressions/function/static-init-await-reference.js new file mode 100644 index 0000000000..d6c2180a06 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/static-init-await-reference.js @@ -0,0 +1,28 @@ +// Copyright (C) 2021 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-class-definitions-static-semantics-early-errors +description: The `await` keyword is interpreted as an IdentifierReference within function expressions +info: | + ClassStaticBlockBody : ClassStaticBlockStatementList + + [...] + - It is a Syntax Error if ContainsAwait of ClassStaticBlockStatementList is true. +features: [class-static-block] +---*/ + +var await = 0; +var fromParam, fromBody; + +class C { + static { + (function (x = fromParam = await) { + fromBody = await; + })(); + } +} + +assert.sameValue(fromParam, 0, 'from parameter'); +assert.sameValue(fromBody, 0, 'from body'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/unscopables-with-in-nested-fn.js b/js/src/tests/test262/language/expressions/function/unscopables-with-in-nested-fn.js new file mode 100644 index 0000000000..f98c73226c --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/unscopables-with-in-nested-fn.js @@ -0,0 +1,104 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/unscopables-with-in-nested-fn.case +// - src/function-forms/default/func-expr.template +/*--- +description: Symbol.unscopables behavior across scope boundaries (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [globalThis, Symbol.unscopables] +flags: [generated, noStrict] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + ... + Let envRec be lex's EnvironmentRecord. + Let exists be ? envRec.HasBinding(name). + + HasBinding + + ... + If the withEnvironment flag of envRec is false, return true. + Let unscopables be ? Get(bindings, @@unscopables). + If Type(unscopables) is Object, then + Let blocked be ToBoolean(? Get(unscopables, N)). + If blocked is true, return false. + + (The `with` Statement) Runtime Semantics: Evaluation + + ... + Set the withEnvironment flag of newEnv’s EnvironmentRecord to true. + ... + +---*/ +let count = 0; +var v = 1; +globalThis[Symbol.unscopables] = { + v: true, +}; + +{ + count++; + +var callCount = 0; +// Stores a reference `ref` for case evaluation +var ref; +ref = function(x) { + (function() { + count++; + with (globalThis) { + count++; + assert.sameValue(v, 1, 'The value of `v` is 1'); + } + })(); + (function() { + count++; + var v = x; + with (globalThis) { + count++; + assert.sameValue(v, 10, 'The value of `v` is 10'); + v = 20; + } + assert.sameValue(v, 20, 'The value of `v` is 20'); + assert.sameValue(globalThis.v, 1, 'The value of globalThis.v is 1'); + })(); + assert.sameValue(v, 1, 'The value of `v` is 1'); + assert.sameValue(globalThis.v, 1, 'The value of globalThis.v is 1'); + callCount = callCount + 1; +}; + +ref(10); + +assert.sameValue(callCount, 1, 'function invoked exactly once'); + + count++; +} +assert.sameValue(count, 6, 'The value of `count` is 6'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/unscopables-with.js b/js/src/tests/test262/language/expressions/function/unscopables-with.js new file mode 100644 index 0000000000..9164981c00 --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/unscopables-with.js @@ -0,0 +1,98 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/unscopables-with.case +// - src/function-forms/default/func-expr.template +/*--- +description: Symbol.unscopables behavior across scope boundaries (function expression) +esid: sec-function-definitions-runtime-semantics-evaluation +features: [globalThis, Symbol.unscopables] +flags: [generated, noStrict] +info: | + FunctionExpression : function ( FormalParameters ) { FunctionBody } + + [...] + 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + ... + Let envRec be lex's EnvironmentRecord. + Let exists be ? envRec.HasBinding(name). + + HasBinding + + ... + If the withEnvironment flag of envRec is false, return true. + Let unscopables be ? Get(bindings, @@unscopables). + If Type(unscopables) is Object, then + Let blocked be ToBoolean(? Get(unscopables, N)). + If blocked is true, return false. + + (The `with` Statement) Runtime Semantics: Evaluation + + ... + Set the withEnvironment flag of newEnv’s EnvironmentRecord to true. + ... + +---*/ +let count = 0; +var v = 1; +globalThis[Symbol.unscopables] = { + v: true, +}; + +{ + count++; + +var callCount = 0; +// Stores a reference `ref` for case evaluation +var ref; +ref = function(x) { + count++; + with (globalThis) { + count++; + assert.sameValue(v, undefined, 'The value of `v` is expected to equal `undefined`'); + } + count++; + var v = x; + with (globalThis) { + count++; + assert.sameValue(v, 10, 'The value of `v` is 10'); + v = 20; + } + assert.sameValue(v, 20, 'The value of `v` is 20'); + assert.sameValue(globalThis.v, 1, 'The value of globalThis.v is 1'); + callCount = callCount + 1; +}; + +ref(10); + +assert.sameValue(callCount, 1, 'function invoked exactly once'); + + count++; +} +assert.sameValue(count, 6, 'The value of `count` is 6'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/expressions/function/use-strict-with-non-simple-param.js b/js/src/tests/test262/language/expressions/function/use-strict-with-non-simple-param.js new file mode 100644 index 0000000000..5b22d8500f --- /dev/null +++ b/js/src/tests/test262/language/expressions/function/use-strict-with-non-simple-param.js @@ -0,0 +1,22 @@ +// |reftest| error:SyntaxError +// Copyright (C) 2015 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-function-definitions-static-semantics-early-errors +description: > + A SyntaxError is thrown if a function contains a non-simple parameter list and a UseStrict directive. +info: | + Static Semantics: Early Errors + + It is a Syntax Error if ContainsUseStrict of FunctionBody is true and IsSimpleParameterList of FormalParameters is false. +negative: + phase: parse + type: SyntaxError +---*/ + +$DONOTEVALUATE(); + +var f = function(a = 0) { + "use strict"; +} |