v8/test/mjsunit/harmony/atomics-waitasync.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

32 lines
952 B
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: --allow-natives-syntax --harmony-sharedarraybuffer --harmony-atomics-waitasync
(function testOutOfBounds() {
const sab = new SharedArrayBuffer(16);
const i32a = new Int32Array(sab);
assertThrows(() => {
Atomics.waitAsync(i32a, 20, 0, 1000);
}, RangeError);
})();
(function testValueNotEquals() {
const sab = new SharedArrayBuffer(16);
const i32a = new Int32Array(sab);
const result = Atomics.waitAsync(i32a, 0, 1, 1000);
assertEquals(false, result.async);
assertEquals("not-equal", result.value);
})();
(function testZeroTimeout() {
const sab = new SharedArrayBuffer(16);
const i32a = new Int32Array(sab);
const result = Atomics.waitAsync(i32a, 0, 0, 0);
assertEquals(false, result.async);
assertEquals("timed-out", result.value);
})();