|  | // Copyright 2020 the V8 project authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | // Flags: --allow-natives-syntax --harmony-promise-any | 
|  |  | 
|  | load('test/mjsunit/test-async.js'); | 
|  |  | 
|  | // Promise.any should call IteratorClose if Promise.resolve is not callable. | 
|  |  | 
|  | let getIteratorCount = 0; | 
|  | let iter = { | 
|  | get [Symbol.iterator]() { | 
|  | ++getIteratorCount; | 
|  | } | 
|  | }; | 
|  |  | 
|  | Promise.resolve = "certainly not callable"; | 
|  |  | 
|  | testAsync(assert => { | 
|  | assert.plan(2); | 
|  | Promise.any(iter).then(assert.unreachable, reason => { | 
|  | assert.equals(true, reason instanceof TypeError); | 
|  | assert.equals(0, getIteratorCount); | 
|  | }); | 
|  | }); |