| // Copyright 2015 Microsoft Corporation. All rights reserved. | |
| // Copyright (C) 2017 Mozilla Corporation. All rights reserved. | |
| // This code is governed by the license found in the LICENSE file. | |
| /*--- | |
| esid: sec-atomics.exchange | |
| description: Testing descriptor property of Atomics.exchange | |
| includes: [propertyHelper.js] | |
| ---*/ | |
| verifyWritable(Atomics, "exchange"); | |
| verifyNotEnumerable(Atomics, "exchange"); | |
| verifyConfigurable(Atomics, "exchange"); |