diff options
Diffstat (limited to 'js/src/tests/test262/language/expressions/object/dstr/meth-ary-ptrn-rest-id-elision.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/object/dstr/meth-ary-ptrn-rest-id-elision.js | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/object/dstr/meth-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/expressions/object/dstr/meth-ary-ptrn-rest-id-elision.js new file mode 100644 index 0000000000..e6abfbf3be --- /dev/null +++ b/js/src/tests/test262/language/expressions/object/dstr/meth-ary-ptrn-rest-id-elision.js @@ -0,0 +1,70 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-elision.case +// - src/dstr-binding/default/meth.template +/*--- +description: Rest element following elision elements (method) +esid: sec-runtime-semantics-definemethod +features: [destructuring-binding] +flags: [generated] +info: | + MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody } + + [...] + 6. Let closure be FunctionCreate(kind, StrictFormalParameters, + FunctionBody, scope, strict). If functionPrototype was passed as a + parameter then pass its value as the functionPrototype optional argument + of FunctionCreate. + [...] + + 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 obj = { + method([ , , ...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; + } +}; + +obj.method(values); +assert.sameValue(callCount, 1, 'method invoked exactly once'); + +reportCompare(0, 0); |