mirror of https://github.com/tc39/test262.git
63 lines
1.5 KiB
JavaScript
63 lines
1.5 KiB
JavaScript
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// 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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Undefined timeout arg is coerced to zero
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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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...
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Undefined Return NaN.
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5.If q is NaN, let t be +∞, else let t be max(q, 0)
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flags: [async]
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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 i32a = new Int32Array(
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new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
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);
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$262.agent.start(`
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$262.agent.receiveBroadcast(async (sab) => {
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var i32a = new Int32Array(sab);
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$262.agent.sleep(1000);
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Atomics.notify(i32a, 0, 4);
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$262.agent.leaving();
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});
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`);
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$262.agent.safeBroadcast(i32a);
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const valueOf = {
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valueOf() {
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return undefined;
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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 undefined;
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}
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};
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Promise.all([
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Atomics.waitAsync(i32a, 0, 0).value,
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Atomics.waitAsync(i32a, 0, 0, undefined).value,
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Atomics.waitAsync(i32a, 0, 0, valueOf).value,
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Atomics.waitAsync(i32a, 0, 0, toPrimitive).value,
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]).then(outcomes => {
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assert.sameValue(outcomes[0], 'ok');
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assert.sameValue(outcomes[1], 'ok');
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assert.sameValue(outcomes[2], 'ok');
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assert.sameValue(outcomes[3], 'ok');
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}, $DONE).then($DONE, $DONE);
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