// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-elision-exhausted.case // - src/dstr-binding/default/gen-meth.template /*--- description: Elision accepts exhausted iterator (generator method) esid: sec-generator-function-definitions-runtime-semantics-propertydefinitionevaluation es6id: 14.4.13 features: [generator, destructuring-binding] flags: [generated] info: | 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. [...] 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 obj = { *method([,]) { callCount = callCount + 1; } }; obj.method(iter).next(); assert.sameValue(callCount, 1, 'generator method invoked exactly once');