gecko-dev/xpcom/tests/gtest/TestStateWatching.cpp

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1.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "mozilla/SharedThreadPool.h"
#include "mozilla/StateWatching.h"
#include "mozilla/TaskQueue.h"
#include "mozilla/Unused.h"
#include "nsISupportsImpl.h"
#include "VideoUtils.h"
namespace TestStateWatching {
using namespace mozilla;
struct Foo {
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(Foo)
void Notify() { mNotified = true; }
bool mNotified = false;
private:
~Foo() = default;
};
TEST(WatchManager, Shutdown)
{
RefPtr<TaskQueue> queue =
new TaskQueue(GetMediaThreadPool(MediaThreadType::PLAYBACK));
RefPtr<Foo> p = new Foo;
WatchManager<Foo> manager(p, queue);
Watchable<bool> notifier(false, "notifier");
Unused << queue->Dispatch(NS_NewRunnableFunction(
"TestStateWatching::WatchManager_Shutdown_Test::TestBody", [&]() {
manager.Watch(notifier, &Foo::Notify);
notifier = true; // Trigger the call to Foo::Notify().
manager.Shutdown(); // Shutdown() should cancel the call.
}));
queue->BeginShutdown();
queue->AwaitShutdownAndIdle();
EXPECT_FALSE(p->mNotified);
}
} // namespace TestStateWatching