// |reftest| async // This file was procedurally generated from the following sources: // - src/async-generators/yield-star-getiter-sync-returns-symbol-throw.case // - src/async-generators/default/async-class-decl-private-method.template /*--- description: Non object returned by [Symbol.iterator]() - symbol (Async Generator method as a ClassDeclaration element) esid: prod-AsyncGeneratorPrivateMethod features: [Symbol.iterator, async-iteration, class-methods-private] flags: [generated, async] info: | ClassElement : PrivateMethodDefinition 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). i. Let syncMethod be ? GetMethod(obj, @@iterator). ii. Let syncIterator be ? Call(syncMethod, obj). iii. Return ? CreateAsyncFromSyncIterator(syncIterator). ... CreateAsyncFromSyncIterator(syncIterator) 1. If Type(syncIterator) is not Object, throw a TypeError exception. ... ---*/ var obj = { [Symbol.iterator]() { return Symbol.iterator; } }; var callCount = 0; class C { async *#gen() { callCount += 1; yield* obj; throw new Test262Error('abrupt completion closes iter'); } get gen() { return this.#gen; } } const c = new C(); // Test the private fields do not appear as properties before set to value assert( !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"), "#gen does not appear as an own property on C prototype" ); assert( !Object.prototype.hasOwnProperty.call(C, "#gen"), "#gen does not appear as an own property on C constructor" ); assert( !Object.prototype.hasOwnProperty.call(c, "#gen"), "#gen does not appear as an own property on C instance" ); var iter = c.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); // Test the private fields do not appear as properties after set to value assert( !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"), "#gen does not appear as an own property on C prototype" ); assert( !Object.prototype.hasOwnProperty.call(C, "#gen"), "#gen does not appear as an own property on C constructor" ); assert( !Object.prototype.hasOwnProperty.call(c, "#gen"), "#gen does not appear as an own property on C instance" );