105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include <gtest/gtest.h>
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#include "butil/scoped_lock.h"
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#include <errno.h>
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namespace {
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class ScopedLockTest : public ::testing::Test{
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protected:
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ScopedLockTest(){
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};
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virtual ~ScopedLockTest(){};
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virtual void SetUp() {
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};
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virtual void TearDown() {
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};
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};
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TEST_F(ScopedLockTest, mutex) {
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pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
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{
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BAIDU_SCOPED_LOCK(m1);
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ASSERT_EQ(EBUSY, pthread_mutex_trylock(&m1));
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}
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ASSERT_EQ(0, pthread_mutex_trylock(&m1));
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pthread_mutex_unlock(&m1);
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}
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TEST_F(ScopedLockTest, spinlock) {
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pthread_spinlock_t s1;
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pthread_spin_init(&s1, 0);
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{
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BAIDU_SCOPED_LOCK(s1);
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ASSERT_EQ(EBUSY, pthread_spin_trylock(&s1));
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}
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ASSERT_EQ(0, pthread_spin_lock(&s1));
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pthread_spin_unlock(&s1);
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pthread_spin_destroy(&s1);
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}
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TEST_F(ScopedLockTest, unique_lock_mutex) {
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pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
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{
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std::unique_lock<pthread_mutex_t> lck(m1);
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ASSERT_EQ(EBUSY, pthread_mutex_trylock(&m1));
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lck.unlock();
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{
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std::unique_lock<pthread_mutex_t> lck2(m1, std::try_to_lock);
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ASSERT_TRUE(lck2.owns_lock());
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}
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ASSERT_TRUE(lck.try_lock());
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ASSERT_TRUE(lck.owns_lock());
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std::unique_lock<pthread_mutex_t> lck2(m1, std::defer_lock);
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ASSERT_FALSE(lck2.owns_lock());
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std::unique_lock<pthread_mutex_t> lck3(m1, std::try_to_lock);
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ASSERT_FALSE(lck3.owns_lock());
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}
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{
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BAIDU_SCOPED_LOCK(m1);
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ASSERT_EQ(EBUSY, pthread_mutex_trylock(&m1));
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}
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ASSERT_EQ(0, pthread_mutex_trylock(&m1));
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{
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std::unique_lock<pthread_mutex_t> lck(m1, std::adopt_lock);
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ASSERT_TRUE(lck.owns_lock());
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}
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std::unique_lock<pthread_mutex_t> lck(m1, std::try_to_lock);
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ASSERT_TRUE(lck.owns_lock());
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}
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TEST_F(ScopedLockTest, unique_lock_spin) {
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pthread_spinlock_t s1;
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pthread_spin_init(&s1, 0);
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{
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std::unique_lock<pthread_spinlock_t> lck(s1);
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ASSERT_EQ(EBUSY, pthread_spin_trylock(&s1));
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lck.unlock();
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ASSERT_TRUE(lck.try_lock());
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}
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{
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BAIDU_SCOPED_LOCK(s1);
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ASSERT_EQ(EBUSY, pthread_spin_trylock(&s1));
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}
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ASSERT_EQ(0, pthread_spin_lock(&s1));
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pthread_spin_unlock(&s1);
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pthread_spin_destroy(&s1);
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}
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}
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