| // Copyright (C) 2020 Rick Waldron. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-atomics.compareExchange |
| description: > |
| Atomics.compareExchange will operate on TA when TA.buffer is not a SharedArrayBuffer |
| includes: [testTypedArray.js] |
| features: [ArrayBuffer, Atomics, TypedArray] |
| ---*/ |
| testWithAtomicsFriendlyTypedArrayConstructors(TA => { |
| const view = new TA( |
| new ArrayBuffer(TA.BYTES_PER_ELEMENT * 4) |
| ); |
| |
| assert.sameValue(Atomics.compareExchange(view, 0, 0, 1), 0, 'Atomics.compareExchange(view, 0, 0, 1) returns 0'); |
| assert.sameValue(Atomics.load(view, 0), 1, 'Atomics.load(view, 0) returns 1'); |
| }); |
