v8/test/mjsunit/harmony/atomics-waitasync-1thread-2timeout.js
Marja Hölttä 96c5916dd4 Reland2: [Atomics.waitAsync] Implement Atomics.waitAsync
Original design doc:
https://docs.google.com/document/d/1dthXsVHMc1Sd_oYf9a-KZSFOd_a8dUgnt4REAG8YIXA

Design changes:
https://docs.google.com/document/d/1aeEGDm1XSqoJkQQKz9F75WqnuAa2caktxGy_O_KpO9Y

Reland:
- rewrote timing dependent tests to be more robust
- removed 1 flaky test
- disabled tests for DelayedTasksPlatform

Original:  https://chromium-review.googlesource.com/c/v8/v8/+/2202981

TBR=ishell@chromium.org, ulan@chromium.org

Bug: v8:10239
Change-Id: I2a042e419462f4c9f54ec549bfe16ec6684560b7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2307211
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68954}
2020-07-21 06:43:48 +00:00

40 lines
1.2 KiB
JavaScript

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