1 files changed, 144 insertions, 0 deletions
diff --git a/src/3rdparty/resonance-audio/resonance_audio/base/audio_buffer_test.cc b/src/3rdparty/resonance-audio/resonance_audio/base/audio_buffer_test.cc
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index 000000000..2c8f3e20b
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+++ b/src/3rdparty/resonance-audio/resonance_audio/base/audio_buffer_test.cc
@@ -0,0 +1,144 @@
+/*
+Copyright 2018 Google Inc. All Rights Reserved.
+
+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 "base/audio_buffer.h"
+
+#include "third_party/googletest/googletest/include/gtest/gtest.h"
+#include "base/constants_and_types.h"
+
+namespace vraudio {
+
+namespace {
+
+// Tests default constructor.
+TEST(AudioBuffer, AudioBufferDefaultConstructor) {
+  AudioBuffer audio_buffer;
+  EXPECT_EQ(audio_buffer.num_channels(), 0U);
+  EXPECT_EQ(audio_buffer.num_frames(), 0U);
+}
+
+// Tests initialization of |AudioBuffer|.
+TEST(AudioBuffer, AudioBufferInitializationTest) {
+  static const size_t kNumChannels = 2;
+  static const size_t kFramesPerBuffer = 16;
+  AudioBuffer audio_buffer(kNumChannels, kFramesPerBuffer);
+
+  EXPECT_EQ(audio_buffer.num_channels(), kNumChannels);
+  EXPECT_EQ(audio_buffer.num_frames(), kFramesPerBuffer);
+  EXPECT_EQ(static_cast<size_t>(audio_buffer.end() - audio_buffer.begin()),
+            kNumChannels);
+
+  // Test range-based for-loop.
+  size_t channel_idx = 0;
+  for (const AudioBuffer::Channel& channel : audio_buffer) {
+    EXPECT_EQ(channel.begin(), audio_buffer[channel_idx].begin());
+    EXPECT_EQ(channel.end(), audio_buffer[channel_idx].end());
+    ++channel_idx;
+  }
+}
+
+// Tests assignment operator from std::vector<std::vector<float>>.
+TEST(AudioBuffer, AudioBufferAssignmentOperator) {
+  const std::vector<std::vector<float>> kTestVector = {
+      {0.0f, 1.0f, 2.0f}, {3.0f, 4.0f, 5.0f}, {6.0f, 7.0f, 8.0f}};
+
+  AudioBuffer audio_buffer(kTestVector.size(), kTestVector[0].size());
+  audio_buffer = kTestVector;
+
+  for (size_t channel = 0; channel < kTestVector.size(); ++channel) {
+    for (size_t frame = 0; frame < kTestVector[0].size(); ++frame) {
+      EXPECT_EQ(audio_buffer[channel][frame], kTestVector[channel][frame]);
+    }
+  }
+}
+
+// Tests move constructor.
+TEST(AudioBuffer, AudioBufferMoveConstructor) {
+  const std::vector<std::vector<float>> kTestVector = {
+      {0.0f, 1.0f, 2.0f}, {3.0f, 4.0f, 5.0f}, {6.0f, 7.0f, 8.0f}};
+
+  AudioBuffer audio_buffer(kTestVector.size(), kTestVector[0].size());
+  audio_buffer = kTestVector;
+  const size_t num_channels = audio_buffer.num_channels();
+  const size_t num_frames = audio_buffer.num_frames();
+
+  AudioBuffer moved_audio_buffer(std::move(audio_buffer));
+  EXPECT_EQ(audio_buffer.num_channels(), 0U);
+  EXPECT_EQ(audio_buffer.num_frames(), 0U);
+  EXPECT_EQ(moved_audio_buffer.num_channels(), num_channels);
+  EXPECT_EQ(moved_audio_buffer.num_frames(), num_frames);
+
+  for (size_t channel = 0; channel < kTestVector.size(); ++channel) {
+    for (size_t frame = 0; frame < kTestVector[0].size(); ++frame) {
+      EXPECT_EQ(moved_audio_buffer[channel][frame],
+                kTestVector[channel][frame]);
+    }
+  }
+}
+
+// Tests memory alignment of each channel buffer. The address if the first
+// element of each channel should be memory aligned.
+TEST(AudioBuffer, TestBufferAlignment) {
+  static const size_t kNumRuns = 100;
+  static const size_t kNumChannels = 16;
+
+  for (size_t run = 0; run < kNumRuns; ++run) {
+    const size_t frames_per_buffer = run + 1;
+    AudioBuffer audio_buffer(kNumChannels, frames_per_buffer);
+    for (size_t channel = 0; channel < kNumChannels; ++channel) {
+      const AudioBuffer::Channel& channel_view = audio_buffer[channel];
+      const bool is_aligned =
+          ((reinterpret_cast<size_t>(&(*channel_view.begin())) &
+            (kMemoryAlignmentBytes - 1)) == 0);
+      EXPECT_TRUE(is_aligned);
+    }
+  }
+}
+
+// Tests Clear method.
+TEST(AudioBuffer, AudioBufferClear) {
+  const std::vector<std::vector<float>> kTestVector = {
+      {0.0f, 1.0f, 2.0f}, {3.0f, 4.0f, 5.0f}, {6.0f, 7.0f, 8.0f}};
+
+  AudioBuffer audio_buffer(kTestVector.size(), kTestVector[0].size());
+  audio_buffer = kTestVector;
+
+  audio_buffer.Clear();
+
+  for (size_t channel = 0; channel < kTestVector.size(); ++channel) {
+    for (size_t frame = 0; frame < kTestVector[0].size(); ++frame) {
+      EXPECT_EQ(0.0f, audio_buffer[channel][frame]);
+    }
+  }
+}
+
+// Tests GetChannelStride method.
+TEST(AudioBuffer, GetChannelStride) {
+  const size_t num_frames_per_alignment = kMemoryAlignmentBytes / sizeof(float);
+  for (size_t num_frames = 1; num_frames < num_frames_per_alignment * 5;
+       ++num_frames) {
+    AudioBuffer buffer(1, num_frames);
+    // Fast way to ceil(frame/num_frames_per_alignment).
+    const size_t expected_num_alignment_blocks =
+        (num_frames + num_frames_per_alignment - 1) / num_frames_per_alignment;
+    EXPECT_EQ(expected_num_alignment_blocks * num_frames_per_alignment,
+              buffer.GetChannelStride());
+  }
+}
+
+}  // namespace
+
+}  // namespace vraudio