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39 lines
1.0 KiB
JavaScript
39 lines
1.0 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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Test that Atomics.waitAsync times out with a negative 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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var i32a = new Int32Array(sab);
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Atomics.add(i32a, ${RUNNING}, 1);
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$262.agent.report(await Atomics.waitSync(i32a, 0, 0, -5).value); // -5 => 0
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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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// Try to yield control to ensure the agent actually started to wait.
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$262.agent.tryYield();
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assert.sameValue(
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$262.agent.getReport(),
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'timed-out',
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'$262.agent.getReport() returns "timed-out"'
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);
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assert.sameValue(Atomics.notify(i32a, 0), 0, 'Atomics.notify(i32a, 0) returns 0');
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