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// Copyright (c) 2014 Baidu, Inc.
// Author: Ge,Jun (gejun@baidu.com)
// Date: 2010-12-04 11:59
#include <gtest/gtest.h>
#include "butil/scoped_lock.h"
#include <errno.h>
namespace {
class ScopedLockTest : public ::testing::Test{
protected:
ScopedLockTest(){
};
virtual ~ScopedLockTest(){};
virtual void SetUp() {
};
virtual void TearDown() {
};
};
TEST_F(ScopedLockTest, mutex) {
pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
{
BAIDU_SCOPED_LOCK(m1);
ASSERT_EQ(EBUSY, pthread_mutex_trylock(&m1));
}
ASSERT_EQ(0, pthread_mutex_trylock(&m1));
pthread_mutex_unlock(&m1);
}
TEST_F(ScopedLockTest, spinlock) {
pthread_spinlock_t s1;
pthread_spin_init(&s1, 0);
{
BAIDU_SCOPED_LOCK(s1);
ASSERT_EQ(EBUSY, pthread_spin_trylock(&s1));
}
ASSERT_EQ(0, pthread_spin_lock(&s1));
pthread_spin_unlock(&s1);
pthread_spin_destroy(&s1);
}
TEST_F(ScopedLockTest, unique_lock_mutex) {
pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
{
std::unique_lock<pthread_mutex_t> lck(m1);
ASSERT_EQ(EBUSY, pthread_mutex_trylock(&m1));
lck.unlock();
{
std::unique_lock<pthread_mutex_t> lck2(m1, std::try_to_lock);
ASSERT_TRUE(lck2.owns_lock());
}
ASSERT_TRUE(lck.try_lock());
ASSERT_TRUE(lck.owns_lock());
std::unique_lock<pthread_mutex_t> lck2(m1, std::defer_lock);
ASSERT_FALSE(lck2.owns_lock());
std::unique_lock<pthread_mutex_t> lck3(m1, std::try_to_lock);
ASSERT_FALSE(lck3.owns_lock());
}
{
BAIDU_SCOPED_LOCK(m1);
ASSERT_EQ(EBUSY, pthread_mutex_trylock(&m1));
}
ASSERT_EQ(0, pthread_mutex_trylock(&m1));
{
std::unique_lock<pthread_mutex_t> lck(m1, std::adopt_lock);
ASSERT_TRUE(lck.owns_lock());
}
std::unique_lock<pthread_mutex_t> lck(m1, std::try_to_lock);
ASSERT_TRUE(lck.owns_lock());
}
TEST_F(ScopedLockTest, unique_lock_spin) {
pthread_spinlock_t s1;
pthread_spin_init(&s1, 0);
{
std::unique_lock<pthread_spinlock_t> lck(s1);
ASSERT_EQ(EBUSY, pthread_spin_trylock(&s1));
lck.unlock();
ASSERT_TRUE(lck.try_lock());
}
{
BAIDU_SCOPED_LOCK(s1);
ASSERT_EQ(EBUSY, pthread_spin_trylock(&s1));
}
ASSERT_EQ(0, pthread_spin_lock(&s1));
pthread_spin_unlock(&s1);
pthread_spin_destroy(&s1);
}
}