40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
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// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-sharedarraybuffer --harmony-atomics-waitasync
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load("test/mjsunit/harmony/atomics-waitasync-helpers.js");
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const script = `
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const sab = new SharedArrayBuffer(16);
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const i32a = new Int32Array(sab);
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onmessage = function() {
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// Create a waiter with a long timeout.
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const result_slow = Atomics.waitAsync(i32a, 0, 0, 200000);
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// Create a waiter with a short timeout.
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const result_fast = Atomics.waitAsync(i32a, 0, 0, 1);
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result_slow.value.then(
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(value) => { postMessage("slow " + value); },
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() => { postMessage("unexpected"); });
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result_fast.value.then(
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(value) => {
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postMessage("fast " + value);
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// Wake up the waiter with the long time out.
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const notify_return_value = Atomics.notify(i32a, 0, 1);
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postMessage("notify return value " + notify_return_value);
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},
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() => { postMessage("unexpected"); });
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}`;
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const expected_messages = [
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"fast timed-out",
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"notify return value 1",
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"slow ok"
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];
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runTestWithWorker(script, expected_messages);
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