// |reftest| async // This file was procedurally generated from the following sources: // - src/async-generators/yield-star-getiter-async-returns-undefined-throw.case // - src/async-generators/default/async-class-decl-static-method.template /*--- description: Non object returned by [Symbol.asyncIterator]() - undefined (Static async generator method as a ClassDeclaration element) esid: prod-AsyncGeneratorMethod features: [Symbol.iterator, Symbol.asyncIterator, async-iteration] flags: [generated, async] info: | ClassElement : static MethodDefinition MethodDefinition : AsyncGeneratorMethod Async Generator Function Definitions AsyncGeneratorMethod : async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody } YieldExpression: yield * AssignmentExpression 1. Let exprRef be the result of evaluating AssignmentExpression. 2. Let value be ? GetValue(exprRef). 3. Let generatorKind be ! GetGeneratorKind(). 4. Let iterator be ? GetIterator(value, generatorKind). ... GetIterator ( obj [ , hint ] ) ... 3. If hint is async, a. Set method to ? GetMethod(obj, @@asyncIterator). ... 6. Let iterator be ? Call(method, obj). 7. If Type(iterator) is not Object, throw a TypeError exception. ... ---*/ var obj = { get [Symbol.iterator]() { throw new Test262Error('it should not get Symbol.iterator'); }, [Symbol.asyncIterator]() { return undefined; } }; var callCount = 0; class C { static async *gen() { callCount += 1; yield* obj; throw new Test262Error('abrupt completion closes iter'); }} var gen = C.gen; var iter = gen(); iter.next().then(() => { throw new Test262Error('Promise incorrectly fulfilled.'); }, v => { assert.sameValue(v.constructor, TypeError, "TypeError"); iter.next().then(({ done, value }) => { assert.sameValue(done, true, 'the iterator is completed'); assert.sameValue(value, undefined, 'value is undefined'); }).then($DONE, $DONE); }).catch($DONE); assert.sameValue(callCount, 1);