cartographer: lockless_queue_test.cc Source File

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00001 #include "cartographer/common/lockless_queue.h"
00002 
00003 #include "gtest/gtest.h"
00004 
00005 namespace cartographer {
00006 namespace common {
00007 namespace {
00008 
00009 TEST(LocklessQueueTest, PushAndPop) {
00010   LocklessQueue<int> queue;
00011   queue.Push(absl::make_unique<int>(1));
00012   queue.Push(absl::make_unique<int>(2));
00013   EXPECT_EQ(*queue.Pop(), 1);
00014   queue.Push(absl::make_unique<int>(3));
00015   queue.Push(absl::make_unique<int>(4));
00016   EXPECT_EQ(*queue.Pop(), 2);
00017   queue.Push(absl::make_unique<int>(5));
00018   EXPECT_EQ(*queue.Pop(), 3);
00019   EXPECT_EQ(*queue.Pop(), 4);
00020   EXPECT_EQ(*queue.Pop(), 5);
00021   EXPECT_EQ(queue.Pop(), nullptr);
00022 }
00023 
00024 }  // namespace
00025 }  // namespace common
00026 }  // namespace cartographer