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Diffstat (limited to 'js/src/tests/test262/language/expressions/arrow-function/dstr/ary-ptrn-elem-ary-elem-init.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/arrow-function/dstr/ary-ptrn-elem-ary-elem-init.js | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/arrow-function/dstr/ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/expressions/arrow-function/dstr/ary-ptrn-elem-ary-elem-init.js new file mode 100644 index 0000000000..fd39028d58 --- /dev/null +++ b/js/src/tests/test262/language/expressions/arrow-function/dstr/ary-ptrn-elem-ary-elem-init.js @@ -0,0 +1,64 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case +// - src/dstr-binding/default/arrow-function.template +/*--- +description: BindingElement with array binding pattern and initializer is used (arrow function expression) +esid: sec-arrow-function-definitions-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + ArrowFunction : ArrowParameters => ConciseBody + + [...] + 4. Let closure be FunctionCreate(Arrow, parameters, ConciseBody, 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 = ([[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, 'arrow function invoked exactly once'); + +reportCompare(0, 0); |