diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/class/params-dflt-gen-meth-ref-arguments.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/params-dflt-gen-meth-ref-arguments.js | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-ref-arguments.js b/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-ref-arguments.js new file mode 100644 index 0000000000..36f27467df --- /dev/null +++ b/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-ref-arguments.js @@ -0,0 +1,85 @@ +// 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 (class expression method) +esid: sec-class-definitions-runtime-semantics-evaluation +es6id: 14.5.16 +features: [generators, default-parameters] +info: | + ClassDeclaration : class BindingIdentifier ClassTail + + 1. Let className be StringValue of BindingIdentifier. + 2. Let value be the result of ClassDefinitionEvaluation of ClassTail with + argument className. + [...] + + 14.5.14 Runtime Semantics: ClassDefinitionEvaluation + + 21. For each ClassElement m in order from methods + a. If IsStatic of m is false, then + i. Let status be the result of performing + PropertyDefinitionEvaluation for m with arguments proto and + false. + [...] + + 14.4.13 Runtime Semantics: PropertyDefinitionEvaluation + + GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody } + + 1. Let propKey be the result of evaluating PropertyName. + 2. ReturnIfAbrupt(propKey). + 3. If the function code for this GeneratorMethod is strict mode code, + let strict be true. Otherwise let strict be false. + 4. Let scope be the running execution context's LexicalEnvironment. + 5. Let closure be GeneratorFunctionCreate(Method, + StrictFormalParameters, GeneratorBody, 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; +class C { + *method(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; + } +} + +C.prototype.method(undefined, undefined, 'third', 'fourth').next(); + +assert.sameValue(callCount, 1, 'method invoked exactly once'); + +reportCompare(0, 0); |