mirror of https://github.com/tc39/test262.git
17 lines
507 B
JavaScript
17 lines
507 B
JavaScript
// 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.exchange
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description: >
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Atomics.exchange will operate on TA when TA.buffer is not a SharedArrayBuffer
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features: [ArrayBuffer, Atomics, BigInt, TypedArray]
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---*/
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const i64a = new BigInt64Array(
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new ArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4)
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);
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assert.sameValue(Atomics.exchange(i64a, 0, 1n), 0n);
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assert.sameValue(Atomics.load(i64a, 0), 1n);
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