mirror of https://github.com/tc39/test262.git
49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
// Copyright (C) 2017 Mozilla Corporation. 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.wake
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description: >
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Test that Atomics.wake wakes all waiters on a location, but does not
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wake waiters on other locations.
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---*/
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for ( var i=0 ; i < 3 ; i++ ) {
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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 ia = new Int32Array(sab);
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$262.agent.report("A " + Atomics.wait(ia, 0, 0));
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$262.agent.leaving();
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})
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`);
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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 ia = new Int32Array(sab);
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$262.agent.report("B " + Atomics.wait(ia, 1, 0, 1000)); // We will timeout eventually
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$262.agent.leaving();
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})
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`);
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var ia = new Int32Array(new SharedArrayBuffer(2*Int32Array.BYTES_PER_ELEMENT));
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$262.agent.broadcast(ia.buffer);
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$262.agent.sleep(500); // Give the agents a chance to wait
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assert.sameValue(Atomics.wake(ia, 0), 3); // Wake all on location 0
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var rs = [getReport(), getReport(), getReport(), getReport()];
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// Do not sort the array -- B should timeout much after the others are woken
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assert.sameValue(rs[0], "A ok");
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assert.sameValue(rs[1], "A ok");
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assert.sameValue(rs[2], "A ok");
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assert.sameValue(rs[3], "B timed-out");
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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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