| // Copyright 2021 The libgav1 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 "src/utils/queue.h" |
| |
| #include <utility> |
| #include <vector> |
| |
| #include "gtest/gtest.h" |
| |
| namespace libgav1 { |
| namespace { |
| |
| struct TestClass { |
| TestClass() = default; |
| explicit TestClass(int i) : i(i) {} |
| int i; |
| // The vector exists simply so that the class is not trivially copyable. |
| std::vector<int> dummy; |
| }; |
| |
| TEST(QueueTest, Basic) { |
| Queue<TestClass> queue; |
| ASSERT_TRUE(queue.Init(8)); |
| EXPECT_TRUE(queue.Empty()); |
| |
| for (int i = 0; i < 8; ++i) { |
| EXPECT_FALSE(queue.Full()); |
| TestClass test(i); |
| queue.Push(std::move(test)); |
| EXPECT_EQ(queue.Back().i, i); |
| EXPECT_FALSE(queue.Empty()); |
| } |
| EXPECT_TRUE(queue.Full()); |
| |
| for (int i = 0; i < 8; ++i) { |
| EXPECT_FALSE(queue.Empty()); |
| EXPECT_EQ(queue.Front().i, i); |
| queue.Pop(); |
| EXPECT_FALSE(queue.Full()); |
| } |
| EXPECT_TRUE(queue.Empty()); |
| |
| for (int i = 0; i < 8; ++i) { |
| EXPECT_FALSE(queue.Full()); |
| TestClass test(i); |
| queue.Push(std::move(test)); |
| EXPECT_EQ(queue.Back().i, i); |
| EXPECT_FALSE(queue.Empty()); |
| } |
| EXPECT_TRUE(queue.Full()); |
| queue.Clear(); |
| EXPECT_TRUE(queue.Empty()); |
| EXPECT_FALSE(queue.Full()); |
| } |
| |
| TEST(QueueTest, WrapAround) { |
| Queue<TestClass> queue; |
| ASSERT_TRUE(queue.Init(8)); |
| EXPECT_TRUE(queue.Empty()); |
| |
| for (int i = 0; i < 100; ++i) { |
| EXPECT_FALSE(queue.Full()); |
| TestClass test(i); |
| queue.Push(std::move(test)); |
| EXPECT_EQ(queue.Back().i, i); |
| EXPECT_FALSE(queue.Empty()); |
| EXPECT_EQ(queue.Front().i, i); |
| queue.Pop(); |
| EXPECT_TRUE(queue.Empty()); |
| } |
| } |
| |
| } // namespace |
| } // namespace libgav1 |