mirror of https://github.com/tc39/test262.git
53 lines
1.3 KiB
JavaScript
53 lines
1.3 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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Null timeout arg should result in an +0 timeout
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info: |
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Atomics.wait( typedArray, index, value, timeout )
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4.Let q be ? ToNumber(timeout).
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...
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Null Return +0.
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Boolean If argument is true, return 1. If argument is false, return +0.
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features: [ Atomics ]
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includes: [ atomicsHelper.js ]
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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(100);
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return r;
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}
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$262.agent.start(
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`
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$262.agent.receiveBroadcast(function (sab) {
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var int32Array = new Int32Array(sab);
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var start = Date.now();
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$262.agent.report(Atomics.wait(int32Array, 0, 0, null)); // null => +0
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$262.agent.report(Date.now() - start);
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$262.agent.leaving();
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})
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`);
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var int32Array = new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT));
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$262.agent.broadcast(int32Array.buffer);
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$262.agent.sleep(150);
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var atomicsReport = getReport();
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var timeDiffReport = getReport();
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assert.sameValue(atomicsReport, 'timed-out');
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assert(timeDiffReport >= 0, 'timeout should be a min of 0ms');
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assert(timeDiffReport <= $ATOMICS_MAX_TIME_EPSILON, 'timeout should be a max of $$ATOMICS_MAX_TIME_EPSILON');
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assert.sameValue(Atomics.wake(int32Array, 0), 0);
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