mirror of https://github.com/tc39/test262.git
43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
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.waitasync
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description: >
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NaN timeout arg should result in an infinite timeout
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info: |
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Atomics.waitAsync( typedArray, index, value, timeout )
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1. Return DoWait(async, typedArray, index, value, timeout).
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DoWait ( mode, typedArray, index, value, timeout )
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6. Let q be ? ToNumber(timeout).
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includes: [atomicsHelper.js]
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features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, Atomics]
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---*/
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const RUNNING = 1;
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$262.agent.start(`
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$262.agent.receiveBroadcast(async (sab) => {
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const i32a = new Int32Array(sab);
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Atomics.add(i32a, ${RUNNING}, 1);
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$262.agent.report(await Atomics.waitAsync(i32a, 0, 0, NaN).value); // NaN => +Infinity
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$262.agent.leaving();
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});
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`);
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const i32a = new Int32Array(
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new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
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);
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$262.agent.safeBroadcast(i32a);
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$262.agent.waitUntil(i32a, RUNNING, 1);
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$262.agent.tryYield();
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assert.sameValue(Atomics.notify(i32a, 0), 1, 'Atomics.notify(i32a, 0) returns 1');
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assert.sameValue($262.agent.getReport(), "ok", 'await Atomics.waitAsync(i32a, 0, 0, NaN).value resolves to "ok"');
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