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Diffstat (limited to 'test/language/statements/function/dstr-ary-ptrn-elem-ary-elision-iter.js')
-rw-r--r-- | test/language/statements/function/dstr-ary-ptrn-elem-ary-elision-iter.js | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/test/language/statements/function/dstr-ary-ptrn-elem-ary-elision-iter.js b/test/language/statements/function/dstr-ary-ptrn-elem-ary-elision-iter.js new file mode 100644 index 000000000..3e48ab4de --- /dev/null +++ b/test/language/statements/function/dstr-ary-ptrn-elem-ary-elision-iter.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case +// - src/dstr-binding/default/func-decl.template +/*--- +description: BindingElement with array binding pattern and initializer is not used (function declaration) +esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject +es6id: 14.1.19 +features: [generators, destructuring-binding] +flags: [generated] +info: | + FunctionDeclaration : + function BindingIdentifier ( FormalParameters ) { FunctionBody } + + [...] + 3. Let F 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; +function f([[,] = g()]) { + assert.sameValue(callCount, 0); + callCount = callCount + 1; +}; +f([[]]); +assert.sameValue(callCount, 1, 'function invoked exactly once'); |