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/* -*- 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 <memory>
#include "gtest/gtest.h"
#include "mozilla/SharedThreadPool.h"
#include "mozilla/SyncRunnable.h"
#include "mozilla/TaskQueue.h"
#include "mozilla/Unused.h"
#include "nsITargetShutdownTask.h"
#include "VideoUtils.h"
namespace TestTaskQueue {
using namespace mozilla;
TEST(TaskQueue, EventOrder)
{
RefPtr<TaskQueue> tq1 =
TaskQueue::Create(GetMediaThreadPool(MediaThreadType::SUPERVISOR),
"TestTaskQueue tq1", true);
RefPtr<TaskQueue> tq2 =
TaskQueue::Create(GetMediaThreadPool(MediaThreadType::SUPERVISOR),
"TestTaskQueue tq2", true);
RefPtr<TaskQueue> tq3 =
TaskQueue::Create(GetMediaThreadPool(MediaThreadType::SUPERVISOR),
"TestTaskQueue tq3", true);
bool errored = false;
int counter = 0;
int sync = 0;
Monitor monitor MOZ_UNANNOTATED("TaskQueue::EventOrder::monitor");
// We expect task1 happens before task3.
for (int i = 0; i < 10000; ++i) {
Unused << tq1->Dispatch(
NS_NewRunnableFunction(
"TestTaskQueue::TaskQueue_EventOrder_Test::TestBody",
[&]() {
Unused << tq2->Dispatch(NS_NewRunnableFunction(
"TestTaskQueue::TaskQueue_EventOrder_Test::TestBody",
[]() { // task0
}));
Unused << tq3->Dispatch(NS_NewRunnableFunction(
"TestTaskQueue::TaskQueue_EventOrder_Test::TestBody",
[&]() { // task1
EXPECT_EQ(1, ++counter);
errored = counter != 1;
MonitorAutoLock mon(monitor);
++sync;
mon.Notify();
}));
Unused << tq2->Dispatch(NS_NewRunnableFunction(
"TestTaskQueue::TaskQueue_EventOrder_Test::TestBody",
[&]() { // task2
Unused << tq3->Dispatch(NS_NewRunnableFunction(
"TestTaskQueue::TaskQueue_EventOrder_Test::TestBody",
[&]() { // task3
EXPECT_EQ(0, --counter);
errored = counter != 0;
MonitorAutoLock mon(monitor);
++sync;
mon.Notify();
}));
}));
}),
AbstractThread::TailDispatch);
// Ensure task1 and task3 are done before next loop.
MonitorAutoLock mon(monitor);
while (sync != 2) {
mon.Wait();
}
sync = 0;
if (errored) {
break;
}
}
tq1->BeginShutdown();
tq1->AwaitShutdownAndIdle();
tq2->BeginShutdown();
tq2->AwaitShutdownAndIdle();
tq3->BeginShutdown();
tq3->AwaitShutdownAndIdle();
}
TEST(TaskQueue, GetCurrentSerialEventTarget)
{
RefPtr<TaskQueue> tq1 =
TaskQueue::Create(GetMediaThreadPool(MediaThreadType::SUPERVISOR),
"TestTaskQueue GetCurrentSerialEventTarget", false);
Unused << tq1->Dispatch(NS_NewRunnableFunction(
"TestTaskQueue::TestCurrentSerialEventTarget::TestBody", [tq1]() {
nsCOMPtr<nsISerialEventTarget> thread = GetCurrentSerialEventTarget();
EXPECT_EQ(thread, tq1);
}));
tq1->BeginShutdown();
tq1->AwaitShutdownAndIdle();
}
namespace {
class TestShutdownTask final : public nsITargetShutdownTask {
public:
NS_DECL_THREADSAFE_ISUPPORTS
explicit TestShutdownTask(std::function<void()> aCallback)
: mCallback(std::move(aCallback)) {}
void TargetShutdown() override {
if (mCallback) {
mCallback();
}
}
private:
~TestShutdownTask() = default;
std::function<void()> mCallback;
};
NS_IMPL_ISUPPORTS(TestShutdownTask, nsITargetShutdownTask)
} // namespace
TEST(TaskQueue, ShutdownTask)
{
auto shutdownTaskRun = std::make_shared<bool>();
auto runnableFromShutdownRun = std::make_shared<bool>();
RefPtr<TaskQueue> tq = TaskQueue::Create(
GetMediaThreadPool(MediaThreadType::SUPERVISOR), "Testing TaskQueue");
nsCOMPtr<nsITargetShutdownTask> shutdownTask = new TestShutdownTask([=] {
EXPECT_TRUE(tq->IsOnCurrentThread());
ASSERT_FALSE(*shutdownTaskRun);
*shutdownTaskRun = true;
nsCOMPtr<nsITargetShutdownTask> dummyTask = new TestShutdownTask([] {});
nsresult rv = tq->RegisterShutdownTask(dummyTask);
EXPECT_TRUE(rv == NS_ERROR_UNEXPECTED);
MOZ_ALWAYS_SUCCEEDS(
tq->Dispatch(NS_NewRunnableFunction("afterShutdownTask", [=] {
EXPECT_TRUE(tq->IsOnCurrentThread());
nsCOMPtr<nsITargetShutdownTask> dummyTask =
new TestShutdownTask([] {});
nsresult rv = tq->RegisterShutdownTask(dummyTask);
EXPECT_TRUE(rv == NS_ERROR_UNEXPECTED);
ASSERT_FALSE(*runnableFromShutdownRun);
*runnableFromShutdownRun = true;
})));
});
MOZ_ALWAYS_SUCCEEDS(tq->RegisterShutdownTask(shutdownTask));
ASSERT_FALSE(*shutdownTaskRun);
ASSERT_FALSE(*runnableFromShutdownRun);
RefPtr<mozilla::SyncRunnable> syncWithThread =
new mozilla::SyncRunnable(NS_NewRunnableFunction("dummy", [] {}));
MOZ_ALWAYS_SUCCEEDS(syncWithThread->DispatchToThread(tq));
ASSERT_FALSE(*shutdownTaskRun);
ASSERT_FALSE(*runnableFromShutdownRun);
tq->BeginShutdown();
tq->AwaitShutdownAndIdle();
ASSERT_TRUE(*shutdownTaskRun);
ASSERT_TRUE(*runnableFromShutdownRun);
}
TEST(TaskQueue, UnregisteredShutdownTask)
{
RefPtr<TaskQueue> tq = TaskQueue::Create(
GetMediaThreadPool(MediaThreadType::SUPERVISOR), "Testing TaskQueue");
nsCOMPtr<nsITargetShutdownTask> shutdownTask =
new TestShutdownTask([=] { MOZ_CRASH("should not be run"); });
MOZ_ALWAYS_SUCCEEDS(tq->RegisterShutdownTask(shutdownTask));
RefPtr<mozilla::SyncRunnable> syncWithThread =
new mozilla::SyncRunnable(NS_NewRunnableFunction("dummy", [] {}));
MOZ_ALWAYS_SUCCEEDS(syncWithThread->DispatchToThread(tq));
MOZ_ALWAYS_SUCCEEDS(tq->UnregisterShutdownTask(shutdownTask));
tq->BeginShutdown();
tq->AwaitShutdownAndIdle();
}
TEST(AbstractThread, GetCurrentSerialEventTarget)
{
RefPtr<AbstractThread> mainThread = AbstractThread::GetCurrent();
EXPECT_EQ(mainThread, AbstractThread::MainThread());
Unused << mainThread->Dispatch(NS_NewRunnableFunction(
"TestAbstractThread::TestCurrentSerialEventTarget::TestBody",
[mainThread]() {
nsCOMPtr<nsISerialEventTarget> thread = GetCurrentSerialEventTarget();
EXPECT_EQ(thread, mainThread);
}));
// Spin the event loop.
NS_ProcessPendingEvents(nullptr);
}
} // namespace TestTaskQueue
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