mirror of
https://github.com/tc39/test262.git
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76 lines
2.1 KiB
JavaScript
76 lines
2.1 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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True timeout arg should result in an +0 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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flags: [async]
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includes: [atomicsHelper.js]
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features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, Atomics, arrow-function, async-functions]
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---*/
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assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"');
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const RUNNING = 1;
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$262.agent.start(`
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const valueOf = {
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valueOf() {
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return true;
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}
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};
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const toPrimitive = {
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[Symbol.toPrimitive]() {
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return true;
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}
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};
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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, true).value);
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$262.agent.report(await Atomics.waitAsync(i32a, 0, 0, valueOf).value);
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$262.agent.report(await Atomics.waitAsync(i32a, 0, 0, toPrimitive).value);
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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.safeBroadcastAsync(i32a, RUNNING, 1).then(async (agentCount) => {
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assert.sameValue(agentCount, 1, 'The value of `agentCount` is 1');
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assert.sameValue(
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await $262.agent.getReportAsync(),
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'timed-out',
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'(await $262.agent.getReportAsync()) resolves to the value "timed-out"'
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);
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assert.sameValue(
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await $262.agent.getReportAsync(),
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'timed-out',
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'(await $262.agent.getReportAsync()) resolves to the value "timed-out"'
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);
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assert.sameValue(
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await $262.agent.getReportAsync(),
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'timed-out',
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'(await $262.agent.getReportAsync()) resolves to the value "timed-out"'
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);
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assert.sameValue(Atomics.notify(i32a, 0), 0, 'Atomics.notify(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)), 0) must return 0');
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}).then($DONE, $DONE);
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