// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case // - src/dstr-binding/default/cls-decl-meth-static-dflt.template /*--- description: BindingElement with array binding pattern and initializer is used (static class expression method (default parameter)) esid: sec-runtime-semantics-bindingclassdeclarationevaluation features: [generators, 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 b. Else, Let status be the result of performing PropertyDefinitionEvaluation for m with arguments F 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 BindingElement : BindingPatternInitializer opt [...] 2. If iteratorRecord.[[done]] is true, let v be undefined. 3. If Initializer is present and v is undefined, then a. Let defaultValue be the result of evaluating Initializer. b. Let v be ? GetValue(defaultValue). 4. Return the result of performing BindingInitialization of BindingPattern with v and environment as the arguments. ---*/ var first = 0; var second = 0; function* g() { first += 1; yield; second += 1; }; var callCount = 0; class C { static method([[,] = g()] = []) { assert.sameValue(first, 1); assert.sameValue(second, 0); callCount = callCount + 1; } }; C.method(); assert.sameValue(callCount, 1, 'method invoked exactly once'); reportCompare(0, 0);