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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/test/scoped_task_scheduler.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/sequence_checker.h"
#include "base/task_scheduler/post_task.h"
#include "base/task_scheduler/task_scheduler.h"
#include "base/task_scheduler/test_utils.h"
#include "base/threading/sequenced_task_runner_handle.h"
#include "base/threading/thread_checker.h"
#include "base/threading/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace base {
namespace test {
TEST(ScopedTaskSchedulerTest, PostTask) {
ScopedTaskScheduler scoped_task_scheduler;
bool first_task_ran = false;
bool second_task_ran = false;
SequenceCheckerImpl sequence_checker;
ThreadCheckerImpl thread_checker;
// Detach |sequence_checker| and |thread_checker|. Otherwise, they are bound
// to the current thread without a SequenceToken or TaskToken (i.e.
// CalledOnValidSequence/Thread() will always return true on the current
// thread, even when the SequenceToken or TaskToken changes).
sequence_checker.DetachFromSequence();
thread_checker.DetachFromThread();
PostTask(FROM_HERE,
Bind(
[](SequenceCheckerImpl* sequence_checker,
ThreadCheckerImpl* thread_checker, bool* first_task_ran) {
EXPECT_FALSE(SequencedTaskRunnerHandle::IsSet());
EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
EXPECT_TRUE(sequence_checker->CalledOnValidSequence());
EXPECT_TRUE(thread_checker->CalledOnValidThread());
*first_task_ran = true;
},
Unretained(&sequence_checker), Unretained(&thread_checker),
Unretained(&first_task_ran)));
PostTask(FROM_HERE,
Bind(
[](SequenceCheckerImpl* sequence_checker,
ThreadCheckerImpl* thread_checker, bool* second_task_ran) {
EXPECT_FALSE(SequencedTaskRunnerHandle::IsSet());
EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
EXPECT_FALSE(sequence_checker->CalledOnValidSequence());
EXPECT_FALSE(thread_checker->CalledOnValidThread());
*second_task_ran = true;
},
Unretained(&sequence_checker), Unretained(&thread_checker),
Unretained(&second_task_ran)));
RunLoop().RunUntilIdle();
EXPECT_TRUE(first_task_ran);
EXPECT_TRUE(second_task_ran);
}
TEST(ScopedTaskSchedulerTest, CreateTaskRunnerAndPostTask) {
ScopedTaskScheduler scoped_task_scheduler;
auto task_runner = CreateTaskRunnerWithTraits(TaskTraits());
bool first_task_ran = false;
bool second_task_ran = false;
SequenceCheckerImpl sequence_checker;
ThreadCheckerImpl thread_checker;
// Detach |sequence_checker| and |thread_checker|. Otherwise, they are bound
// to the current thread without a SequenceToken or TaskToken (i.e.
// CalledOnValidSequence/Thread() will always return true on the current
// thread, even when the SequenceToken or TaskToken changes).
sequence_checker.DetachFromSequence();
thread_checker.DetachFromThread();
task_runner->PostTask(
FROM_HERE,
Bind(
[](SequenceCheckerImpl* sequence_checker,
ThreadCheckerImpl* thread_checker, bool* first_task_ran) {
EXPECT_FALSE(SequencedTaskRunnerHandle::IsSet());
EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
EXPECT_TRUE(sequence_checker->CalledOnValidSequence());
EXPECT_TRUE(thread_checker->CalledOnValidThread());
*first_task_ran = true;
},
Unretained(&sequence_checker), Unretained(&thread_checker),
Unretained(&first_task_ran)));
task_runner->PostTask(
FROM_HERE,
Bind(
[](SequenceCheckerImpl* sequence_checker,
ThreadCheckerImpl* thread_checker, bool* second_task_ran) {
EXPECT_FALSE(SequencedTaskRunnerHandle::IsSet());
EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
EXPECT_FALSE(sequence_checker->CalledOnValidSequence());
EXPECT_FALSE(thread_checker->CalledOnValidThread());
*second_task_ran = true;
},
Unretained(&sequence_checker), Unretained(&thread_checker),
Unretained(&second_task_ran)));
RunLoop().RunUntilIdle();
EXPECT_TRUE(first_task_ran);
EXPECT_TRUE(second_task_ran);
}
TEST(ScopedTaskSchedulerTest, CreateSequencedTaskRunnerAndPostTask) {
ScopedTaskScheduler scoped_task_scheduler;
auto task_runner = CreateSequencedTaskRunnerWithTraits(TaskTraits());
bool first_task_ran = false;
bool second_task_ran = false;
SequenceCheckerImpl sequence_checker;
ThreadCheckerImpl thread_checker;
// Detach |sequence_checker| and |thread_checker|. Otherwise, they are bound
// to the current thread without a SequenceToken or TaskToken (i.e.
// CalledOnValidSequence/Thread() will always return true on the current
// thread, even when the SequenceToken or TaskToken changes).
sequence_checker.DetachFromSequence();
thread_checker.DetachFromThread();
task_runner->PostTask(
FROM_HERE,
Bind(
[](SequenceCheckerImpl* sequence_checker,
ThreadCheckerImpl* thread_checker, bool* first_task_ran) {
EXPECT_TRUE(SequencedTaskRunnerHandle::IsSet());
EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
EXPECT_TRUE(sequence_checker->CalledOnValidSequence());
EXPECT_TRUE(thread_checker->CalledOnValidThread());
*first_task_ran = true;
},
Unretained(&sequence_checker), Unretained(&thread_checker),
Unretained(&first_task_ran)));
task_runner->PostTask(
FROM_HERE,
Bind(
[](SequenceCheckerImpl* sequence_checker,
ThreadCheckerImpl* thread_checker, bool* second_task_ran) {
EXPECT_TRUE(SequencedTaskRunnerHandle::IsSet());
EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
EXPECT_TRUE(sequence_checker->CalledOnValidSequence());
EXPECT_FALSE(thread_checker->CalledOnValidThread());
*second_task_ran = true;
},
Unretained(&sequence_checker), Unretained(&thread_checker),
Unretained(&second_task_ran)));
RunLoop().RunUntilIdle();
EXPECT_TRUE(first_task_ran);
EXPECT_TRUE(second_task_ran);
}
TEST(ScopedTaskSchedulerTest, CreateSingleThreadTaskRunnerAndPostTask) {
ScopedTaskScheduler scoped_task_scheduler;
auto task_runner = CreateSingleThreadTaskRunnerWithTraits(TaskTraits());
bool first_task_ran = false;
bool second_task_ran = false;
SequenceCheckerImpl sequence_checker;
ThreadCheckerImpl thread_checker;
// Detach |sequence_checker| and |thread_checker|. Otherwise, they are bound
// to the current thread without a SequenceToken or TaskToken (i.e.
// CalledOnValidSequence/Thread() will always return true on the current
// thread, even when the SequenceToken or TaskToken changes).
sequence_checker.DetachFromSequence();
thread_checker.DetachFromThread();
task_runner->PostTask(
FROM_HERE,
Bind(
[](SequenceCheckerImpl* sequence_checker,
ThreadCheckerImpl* thread_checker, bool* first_task_ran) {
EXPECT_TRUE(SequencedTaskRunnerHandle::IsSet());
EXPECT_TRUE(ThreadTaskRunnerHandle::IsSet());
EXPECT_TRUE(sequence_checker->CalledOnValidSequence());
EXPECT_TRUE(thread_checker->CalledOnValidThread());
*first_task_ran = true;
},
Unretained(&sequence_checker), Unretained(&thread_checker),
Unretained(&first_task_ran)));
task_runner->PostTask(
FROM_HERE,
Bind(
[](SequenceCheckerImpl* sequence_checker,
ThreadCheckerImpl* thread_checker, bool* second_task_ran) {
EXPECT_TRUE(SequencedTaskRunnerHandle::IsSet());
EXPECT_TRUE(ThreadTaskRunnerHandle::IsSet());
EXPECT_TRUE(sequence_checker->CalledOnValidSequence());
EXPECT_TRUE(thread_checker->CalledOnValidThread());
*second_task_ran = true;
},
Unretained(&sequence_checker), Unretained(&thread_checker),
Unretained(&second_task_ran)));
RunLoop().RunUntilIdle();
EXPECT_TRUE(first_task_ran);
EXPECT_TRUE(second_task_ran);
}
TEST(ScopedTaskSchedulerTest, NonBlockShutdownTasksPostedAfterShutdownDontRun) {
ScopedTaskScheduler scoped_task_scheduler;
TaskScheduler::GetInstance()->Shutdown();
PostTaskWithTraits(FROM_HERE, TaskTraits().WithShutdownBehavior(
TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN),
Bind([]() {
ADD_FAILURE()
<< "CONTINUE_ON_SHUTDOWN task should not run";
}));
PostTaskWithTraits(
FROM_HERE,
TaskTraits().WithShutdownBehavior(TaskShutdownBehavior::SKIP_ON_SHUTDOWN),
Bind([]() { ADD_FAILURE() << "SKIP_ON_SHUTDOWN task should not run"; }));
// This should not run anything.
RunLoop().RunUntilIdle();
}
TEST(ScopedTaskSchedulerTest, DestructorRunsBlockShutdownTasksOnly) {
bool block_shutdown_task_ran = false;
{
ScopedTaskScheduler scoped_task_scheduler;
PostTaskWithTraits(
FROM_HERE, TaskTraits().WithShutdownBehavior(
TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN),
Bind([]() {
ADD_FAILURE() << "CONTINUE_ON_SHUTDOWN task should not run";
}));
PostTaskWithTraits(FROM_HERE, TaskTraits().WithShutdownBehavior(
TaskShutdownBehavior::SKIP_ON_SHUTDOWN),
Bind([]() {
ADD_FAILURE()
<< "SKIP_ON_SHUTDOWN task should not run";
}));
PostTaskWithTraits(FROM_HERE, TaskTraits().WithShutdownBehavior(
TaskShutdownBehavior::BLOCK_SHUTDOWN),
Bind(
[](bool* block_shutdown_task_ran) {
*block_shutdown_task_ran = true;
},
Unretained(&block_shutdown_task_ran)));
}
EXPECT_TRUE(block_shutdown_task_ran);
}
} // namespace test
} // namespace base
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