cartographer/cartographer/common/blocking_queue_test.cc

120 lines
3.9 KiB
C++

/*
* Copyright 2016 The Cartographer Authors
*
* 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 "cartographer/common/blocking_queue.h"
#include <memory>
#include <thread>
#include "absl/memory/memory.h"
#include "cartographer/common/time.h"
#include "gtest/gtest.h"
namespace cartographer {
namespace common {
namespace {
TEST(BlockingQueueTest, testPushPeekPop) {
BlockingQueue<std::unique_ptr<int>> blocking_queue;
blocking_queue.Push(absl::make_unique<int>(42));
ASSERT_EQ(1, blocking_queue.Size());
blocking_queue.Push(absl::make_unique<int>(24));
ASSERT_EQ(2, blocking_queue.Size());
EXPECT_EQ(42, *blocking_queue.Peek<int>());
ASSERT_EQ(2, blocking_queue.Size());
EXPECT_EQ(42, *blocking_queue.Pop());
ASSERT_EQ(1, blocking_queue.Size());
EXPECT_EQ(24, *blocking_queue.Pop());
ASSERT_EQ(0, blocking_queue.Size());
EXPECT_EQ(nullptr, blocking_queue.Peek<int>());
ASSERT_EQ(0, blocking_queue.Size());
}
TEST(BlockingQueueTest, testPushPopSharedPtr) {
BlockingQueue<std::shared_ptr<int>> blocking_queue;
blocking_queue.Push(std::make_shared<int>(42));
blocking_queue.Push(std::make_shared<int>(24));
EXPECT_EQ(42, *blocking_queue.Pop());
EXPECT_EQ(24, *blocking_queue.Pop());
}
TEST(BlockingQueueTest, testPopWithTimeout) {
BlockingQueue<std::unique_ptr<int>> blocking_queue;
EXPECT_EQ(nullptr,
blocking_queue.PopWithTimeout(common::FromMilliseconds(150)));
}
TEST(BlockingQueueTest, testPushWithTimeout) {
BlockingQueue<std::unique_ptr<int>> blocking_queue(1);
EXPECT_EQ(true,
blocking_queue.PushWithTimeout(absl::make_unique<int>(42),
common::FromMilliseconds(150)));
EXPECT_EQ(false,
blocking_queue.PushWithTimeout(absl::make_unique<int>(15),
common::FromMilliseconds(150)));
EXPECT_EQ(42, *blocking_queue.Pop());
EXPECT_EQ(0, blocking_queue.Size());
}
TEST(BlockingQueueTest, testPushWithTimeoutInfinteQueue) {
BlockingQueue<std::unique_ptr<int>> blocking_queue;
EXPECT_EQ(true,
blocking_queue.PushWithTimeout(absl::make_unique<int>(42),
common::FromMilliseconds(150)));
EXPECT_EQ(true,
blocking_queue.PushWithTimeout(absl::make_unique<int>(45),
common::FromMilliseconds(150)));
EXPECT_EQ(42, *blocking_queue.Pop());
EXPECT_EQ(45, *blocking_queue.Pop());
EXPECT_EQ(0, blocking_queue.Size());
}
TEST(BlockingQueueTest, testBlockingPop) {
BlockingQueue<std::unique_ptr<int>> blocking_queue;
ASSERT_EQ(0, blocking_queue.Size());
int pop = 0;
std::thread thread([&blocking_queue, &pop] { pop = *blocking_queue.Pop(); });
std::this_thread::sleep_for(common::FromMilliseconds(100));
blocking_queue.Push(absl::make_unique<int>(42));
thread.join();
ASSERT_EQ(0, blocking_queue.Size());
EXPECT_EQ(42, pop);
}
TEST(BlockingQueueTest, testBlockingPopWithTimeout) {
BlockingQueue<std::unique_ptr<int>> blocking_queue;
ASSERT_EQ(0, blocking_queue.Size());
int pop = 0;
std::thread thread([&blocking_queue, &pop] {
pop = *blocking_queue.PopWithTimeout(common::FromMilliseconds(2500));
});
std::this_thread::sleep_for(common::FromMilliseconds(100));
blocking_queue.Push(absl::make_unique<int>(42));
thread.join();
ASSERT_EQ(0, blocking_queue.Size());
EXPECT_EQ(42, pop);
}
} // namespace
} // namespace common
} // namespace cartographer