// |reftest| shell-option(--enable-private-methods) skip-if(!xulRuntime.shell) -- requires shell-options // This file was procedurally generated from the following sources: // - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case // - src/dstr-binding/default/cls-decl-private-meth-dflt.template /*--- description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method (default parameter)) esid: sec-runtime-semantics-bindingclassdeclarationevaluation features: [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. [...] 13.3.3.7 Runtime Semantics: KeyedBindingInitialization BindingElement : BindingPattern Initializeropt [...] 3. If Initializer is present and v is undefined, then [...] ---*/ var initCount = 0; function counter() { initCount += 1; } var callCount = 0; class C { #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) { assert.sameValue(t, null); assert.sameValue(v, 0); assert.sameValue(x, false); assert.sameValue(z, ''); assert.sameValue(initCount, 0); assert.throws(ReferenceError, function() { s; }); assert.throws(ReferenceError, function() { u; }); assert.throws(ReferenceError, function() { w; }); assert.throws(ReferenceError, function() { y; }); callCount = callCount + 1; } get method() { return this.#method; } }; new C().method(); assert.sameValue(callCount, 1, 'method invoked exactly once'); reportCompare(0, 0);