// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-elision-step-err.case // - src/dstr-binding/error/cls-decl-gen-meth-dflt.template /*--- description: Elision advances iterator and forwards abrupt completions (class expression method (default parameter)) esid: sec-class-definitions-runtime-semantics-evaluation 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 i. Let status be the result of performing PropertyDefinitionEvaluation for m with arguments proto and false. [...] 14.4.13 Runtime Semantics: PropertyDefinitionEvaluation 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 a. Let next be IteratorStep(iteratorRecord.[[iterator]]). b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. c. ReturnIfAbrupt(next). ---*/ var following = 0; var iter =function* () { throw new Test262Error(); following += 1; }(); class C { *method([,] = iter) {} }; var c = new C(); assert.throws(Test262Error, function() { c.method(); }); iter.next(); assert.sameValue(following, 0, 'Iterator was properly closed.'); reportCompare(0, 0);