blob: f63ec5d6b76f0d587bb25df6184704ae8a021527 [file] [log] [blame]
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "perfetto/ext/base/thread_checker.h"
#include <pthread.h>
#include <functional>
#include <memory>
#include "test/gtest_and_gmock.h"
namespace perfetto {
namespace base {
namespace {
// We just need two distinct pointers to return to pthread_join().
void* const kTrue = reinterpret_cast<void*>(1);
void* const kFalse = nullptr;
void* RunOnThread(std::function<void*(void)> closure) {
pthread_t thread;
auto thread_main = [](void* arg) -> void* {
pthread_exit((*reinterpret_cast<std::function<void*(void)>*>(arg))());
};
EXPECT_EQ(0, pthread_create(&thread, nullptr, thread_main, &closure));
void* retval = nullptr;
EXPECT_EQ(0, pthread_join(thread, &retval));
return retval;
}
TEST(ThreadCheckerTest, Basic) {
ThreadChecker thread_checker;
ASSERT_TRUE(thread_checker.CalledOnValidThread());
void* res = RunOnThread([&thread_checker]() -> void* {
return thread_checker.CalledOnValidThread() ? kTrue : kFalse;
});
ASSERT_TRUE(thread_checker.CalledOnValidThread());
ASSERT_EQ(kFalse, res);
}
TEST(ThreadCheckerTest, Detach) {
ThreadChecker thread_checker;
ASSERT_TRUE(thread_checker.CalledOnValidThread());
thread_checker.DetachFromThread();
void* res = RunOnThread([&thread_checker]() -> void* {
return thread_checker.CalledOnValidThread() ? kTrue : kFalse;
});
ASSERT_EQ(kTrue, res);
ASSERT_FALSE(thread_checker.CalledOnValidThread());
}
TEST(ThreadCheckerTest, CopyConstructor) {
ThreadChecker thread_checker;
ThreadChecker copied_thread_checker = thread_checker;
ASSERT_TRUE(thread_checker.CalledOnValidThread());
ASSERT_TRUE(copied_thread_checker.CalledOnValidThread());
void* res = RunOnThread([&copied_thread_checker]() -> void* {
return copied_thread_checker.CalledOnValidThread() ? kTrue : kFalse;
});
ASSERT_EQ(kFalse, res);
copied_thread_checker.DetachFromThread();
res = RunOnThread([&thread_checker, &copied_thread_checker]() -> void* {
return (copied_thread_checker.CalledOnValidThread() &&
!thread_checker.CalledOnValidThread())
? kTrue
: kFalse;
});
ASSERT_EQ(kTrue, res);
}
} // namespace
} // namespace base
} // namespace perfetto