// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-rest-ary-elision.case // - src/dstr-binding/default/cls-decl-private-meth-dflt.template /*--- description: Rest element containing an elision (private class expression method (default parameter)) esid: sec-runtime-semantics-bindingclassdeclarationevaluation features: [generators, class, class-methods-private, destructuring-binding, default-parameters] 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. [...] 13.3.3.6 Runtime Semantics: IteratorBindingInitialization BindingRestElement : ... BindingPattern 1. Let A be ArrayCreate(0). [...] 3. Repeat [...] b. If iteratorRecord.[[done]] is true, then i. Return the result of performing BindingInitialization of BindingPattern with A and environment as the 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 a. Let next be IteratorStep(iteratorRecord.[[iterator]]). 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. 2. Return NormalCompletion(empty). ---*/ var first = 0; var second = 0; function* g() { first += 1; yield; second += 1; }; var callCount = 0; class C { #method([...[,]] = g()) { assert.sameValue(first, 1); assert.sameValue(second, 1); callCount = callCount + 1; } get method() { return this.#method; } }; new C().method(); assert.sameValue(callCount, 1, 'method invoked exactly once'); reportCompare(0, 0);