| /* |
| * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "modules/audio_processing/echo_detector/circular_buffer.h" |
| #include "test/gtest.h" |
| |
| namespace webrtc { |
| |
| TEST(CircularBufferTests, LessThanMaxTest) { |
| CircularBuffer test_buffer(3); |
| test_buffer.Push(1.f); |
| test_buffer.Push(2.f); |
| EXPECT_EQ(1.f, test_buffer.Pop()); |
| EXPECT_EQ(2.f, test_buffer.Pop()); |
| } |
| |
| TEST(CircularBufferTests, FillTest) { |
| CircularBuffer test_buffer(3); |
| test_buffer.Push(1.f); |
| test_buffer.Push(2.f); |
| test_buffer.Push(3.f); |
| EXPECT_EQ(1.f, test_buffer.Pop()); |
| EXPECT_EQ(2.f, test_buffer.Pop()); |
| EXPECT_EQ(3.f, test_buffer.Pop()); |
| } |
| |
| TEST(CircularBufferTests, OverflowTest) { |
| CircularBuffer test_buffer(3); |
| test_buffer.Push(1.f); |
| test_buffer.Push(2.f); |
| test_buffer.Push(3.f); |
| test_buffer.Push(4.f); |
| // Because the circular buffer has a size of 3, the first insert should have |
| // been forgotten. |
| EXPECT_EQ(2.f, test_buffer.Pop()); |
| EXPECT_EQ(3.f, test_buffer.Pop()); |
| EXPECT_EQ(4.f, test_buffer.Pop()); |
| } |
| |
| TEST(CircularBufferTests, ReadFromEmpty) { |
| CircularBuffer test_buffer(3); |
| EXPECT_EQ(absl::nullopt, test_buffer.Pop()); |
| } |
| |
| } // namespace webrtc |