mirror of https://github.com/tc39/test262.git
18 lines
515 B
JavaScript
18 lines
515 B
JavaScript
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// Copyright (C) 2020 Rick Waldron. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-atomics.compareExchange
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description: >
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Atomics.compareExchange will operate on TA when TA.buffer is not a SharedArrayBuffer
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features: [ArrayBuffer, Atomics, TypedArray]
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---*/
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const i32a = new Int32Array(
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new ArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
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);
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assert.sameValue(Atomics.compareExchange(i32a, 0, 0, 1), 0);
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assert.sameValue(Atomics.load(i32a, 0), 1);
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