v8/test/mjsunit/shared-memory/condition.js
Shu-yu Guo e2066ff6bf [shared-struct] Add Atomics.Condition
Bug: v8:12547
Change-Id: Id439aef9cab3348171a23378cdd47ede5f4d7288
Cq-Include-Trybots: luci.v8.try:v8_linux_arm64_rel_ng,v8_linux64_tsan_rel_ng
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3630350
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81734}
2022-07-14 22:08:21 +00:00

37 lines
984 B
JavaScript

// Copyright 2022 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-struct --allow-natives-syntax
let mutex = new Atomics.Mutex;
let cv = new Atomics.Condition;
(function TestConditionWaitNotAllowed() {
assertThrows(() => {
Atomics.Mutex.lock(mutex, () => {
%SetAllowAtomicsWait(false);
Atomics.Condition.wait(cv, mutex);
});
});
%SetAllowAtomicsWait(true);
})();
(function TestConditionMutexNotHeld() {
// Cannot wait on a mutex not owned by the current thread.
assertThrows(() => {
Atomics.Condition.wait(cv, mutex);
});
})();
(function TestConditionNoWaiters() {
// Notify returns number of threads woken up.
assertEquals(0, Atomics.Condition.notify(cv));
})();
(function TestConditionWaitTimeout() {
Atomics.Mutex.lock(mutex, () => {
assertEquals(false, Atomics.Condition.wait(cv, mutex, 100));
});
})();