mirror of https://github.com/tc39/test262.git
50 lines
1.1 KiB
JavaScript
50 lines
1.1 KiB
JavaScript
// Copyright (C) 2018 Amal Hussein. 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.wait
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description: >
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Returns "not-equal" when value arg does not match an index in the typedArray
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info: |
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Atomics.wait( typedArray, index, value, timeout )
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3.Let v be ? ToBigInt64(value).
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...
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14.If v is not equal to w, then
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a.Perform LeaveCriticalSection(WL).
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b. Return the String "not-equal".
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features: [Atomics, BigInt, SharedArrayBuffer, TypedArray]
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---*/
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function getReport() {
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var r;
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while ((r = $262.agent.getReport()) == null) {
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$262.agent.sleep(10);
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}
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return r;
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}
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var value = 42;
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$262.agent.start(`
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$262.agent.receiveBroadcast(function(sab) {
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var i64a = new BigInt64Array(sab);
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$262.agent.report(Atomics.store(i64a, 0, ${value}));
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$262.agent.report(Atomics.wait(i64a, 0, 0));
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$262.agent.leaving();
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});
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`);
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const i64a = new BigInt64Array(
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new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT)
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);
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$262.agent.broadcast(i64a.buffer);
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$262.agent.sleep(100);
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assert.sameValue(getReport(), value.toString());
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assert.sameValue(getReport(), 'not-equal');
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