// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case // - src/dstr-binding/default/cls-decl-private-meth.template /*--- description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private class expression method) esid: sec-runtime-semantics-bindingclassdeclarationevaluation features: [Symbol.iterator, generators, class, class-methods-private, destructuring-binding] flags: [generated] 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. [...] 14.3.8 Runtime Semantics: DefineMethod 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. [...] Runtime Semantics: IteratorBindingInitialization SingleNameBinding : BindingIdentifier Initializer_opt 1. Let bindingId be StringValue of BindingIdentifier. 2. Let lhs be ? ResolveBinding(bindingId, environment). 3. If iteratorRecord.[[Done]] is false, then a. Let next be IteratorStep(iteratorRecord). b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true. c. ReturnIfAbrupt(next). d. If next is false, set iteratorRecord.[[Done]] to true. e. Else, i. Let v be IteratorValue(next). ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true. iii. ReturnIfAbrupt(v). [...] 7. Return InitializeReferencedBinding(lhs, v). ---*/ Array.prototype[Symbol.iterator] = function* () { if (this.length > 0) { yield this[0]; } if (this.length > 1) { yield this[1]; } if (this.length > 2) { yield 42; } }; var callCount = 0; class C { #method([x, y, z]) { assert.sameValue(x, 1); assert.sameValue(y, 2); assert.sameValue(z, 42); callCount = callCount + 1; } get method() { return this.#method; } }; new C().method([1, 2, 3]); assert.sameValue(callCount, 1, 'method invoked exactly once'); reportCompare(0, 0);