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21 lines
754 B
JavaScript
21 lines
754 B
JavaScript
// Copyright (C) 2018 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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Test range checking of Atomics.compareExchange on arrays that allow atomic operations
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includes: [testAtomics.js, testBigIntTypedArray.js]
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features: [ArrayBuffer, Atomics, BigInt, DataView, SharedArrayBuffer, Symbol, TypedArray]
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---*/
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const buffer = new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 2);
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testWithBigIntTypedArrayConstructors(function(TA) {
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const view = new TA(buffer);
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testWithAtomicsOutOfBoundsIndices(function(IdxGen) {
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assert.throws(RangeError, function() {
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Atomics.compareExchange(view, IdxGen(view), 10, 0n);
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});
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});
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});
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