test262/test/built-ins/Atomics/exchange/nonshared-int-views.js

20 lines
644 B
JavaScript

// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-atomics.exchange
description: >
Atomics.exchange throws when operating on non-sharable integer TypedArrays
includes: [testTypedArray.js]
features: [ArrayBuffer, Atomics, TypedArray]
---*/
testWithNonAtomicsFriendlyTypedArrayConstructors(TA => {
const buffer = new ArrayBuffer(TA.BYTES_PER_ELEMENT * 4);
const view = new TA(buffer);
assert.throws(TypeError, function() {
Atomics.exchange(view, 0, 0);
}, `Atomics.exchange(new ${TA.name}(buffer), 0, 0) throws TypeError`);
});