mirror of https://github.com/tc39/test262.git
79 lines
2.0 KiB
JavaScript
79 lines
2.0 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.wake
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description: >
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Default to +Infinity when missing 'count' argument to Atomics.wake
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info: |
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Atomics.wake( typedArray, index, count )
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...
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3. If count is undefined, let c be +∞.
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...
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features: [Atomics, SharedArrayBuffer, TypedArray]
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---*/
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var NUMAGENT = 4; // Total number of agents started
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var WAKEUP = 0; // Index all agents are waiting on
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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(10);
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}
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return r;
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}
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$262.agent.start(`
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$262.agent.receiveBroadcast(function (sab) {
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var int32Array = new Int32Array(sab);
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$262.agent.report("A " + Atomics.wait(int32Array, ${WAKEUP}, 0, 50));
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$262.agent.leaving();
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});
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`);
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$262.agent.start(`
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$262.agent.receiveBroadcast(function (sab) {
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var int32Array = new Int32Array(sab);
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$262.agent.report("B " + Atomics.wait(int32Array, ${WAKEUP}, 0, 50));
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$262.agent.leaving();
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});
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`);
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$262.agent.start(`
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$262.agent.receiveBroadcast(function (sab) {
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var int32Array = new Int32Array(sab);
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$262.agent.report("C " + Atomics.wait(int32Array, ${WAKEUP}, 0, 50));
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$262.agent.leaving();
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});
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`);
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$262.agent.start(`
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$262.agent.receiveBroadcast(function (sab) {
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var int32Array = new Int32Array(sab);
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$262.agent.report("D " + Atomics.wait(int32Array, ${WAKEUP}, 0, 50));
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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(20);
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assert.sameValue(Atomics.wake(int32Array, WAKEUP /*, count missing */), NUMAGENT);
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var sortedReports = [];
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for (var i = 0; i < NUMAGENT; i++) {
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sortedReports.push(getReport());
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}
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sortedReports.sort();
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assert.sameValue(sortedReports[0], "A ok");
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assert.sameValue(sortedReports[1], "B ok");
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assert.sameValue(sortedReports[2], "C ok");
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assert.sameValue(sortedReports[3], "D ok");
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