1 files changed, 157 insertions, 0 deletions
diff --git a/src/3rdparty/resonance-audio/resonance_audio/base/channel_view_test.cc b/src/3rdparty/resonance-audio/resonance_audio/base/channel_view_test.cc
new file mode 100644
index 000000000..24b04dfd9
--- /dev/null
+++ b/src/3rdparty/resonance-audio/resonance_audio/base/channel_view_test.cc
@@ -0,0 +1,157 @@
+/*
+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/channel_view.h"
+
+#include <vector>
+
+#include "third_party/googletest/googletest/include/gtest/gtest.h"
+#include "base/audio_buffer.h"
+
+namespace vraudio {
+
+namespace {
+
+const float kTestData[] = {0.0f, 1.0f, 2.0f};
+const size_t kTestDataSize = sizeof(kTestData) / sizeof(float);
+
+typedef std::vector<float> Buffer;
+
+// Tests initialization of |ChannelView| class.
+TEST(ChannelView, InitializationTest) {
+  AudioBuffer test_buffer(1, kTestDataSize);
+  ChannelView& test_buffer_view = test_buffer[0];
+  for (size_t i = 0; i < kTestDataSize; ++i) {
+    test_buffer_view[i] = kTestData[i];
+  }
+
+  EXPECT_EQ(test_buffer.num_frames(), test_buffer_view.size());
+  EXPECT_EQ(&test_buffer[0][0], test_buffer_view.begin());
+  EXPECT_EQ(&test_buffer[0][0] + test_buffer.num_frames(),
+            test_buffer_view.end());
+}
+
+// Tests iterators and array subscript of |ChannelView|.
+TEST(ChannelView, IteratorAndArraySubscriptTest) {
+  AudioBuffer test_buffer(1, kTestDataSize);
+  ChannelView& test_buffer_view = test_buffer[0];
+  for (size_t i = 0; i < kTestDataSize; ++i) {
+    test_buffer_view[i] = kTestData[i];
+  }
+
+  for (size_t i = 0; i < test_buffer_view.size(); i++) {
+    EXPECT_EQ(test_buffer[0][i], test_buffer_view[i]);
+    EXPECT_EQ(kTestData[i], test_buffer_view[i]);
+  }
+
+  // Test range-based for-loops.
+  for (float& sample : test_buffer_view) {
+    sample *= 2.0f;
+  }
+  size_t idx = 0;
+  for (const float& sample : test_buffer_view) {
+    EXPECT_EQ(kTestData[idx] * 2.0f, sample);
+    ++idx;
+  }
+}
+
+// Tests copy-assignment operators.
+TEST(ChannelView, CopyAssignmentTest) {
+  AudioBuffer test_buffer(1, kTestDataSize);
+  ChannelView& test_buffer_view = test_buffer[0];
+  for (size_t i = 0; i < kTestDataSize; ++i) {
+    test_buffer_view[i] = kTestData[i];
+  }
+
+  AudioBuffer target_buffer(1, kTestDataSize);
+  ChannelView& target_vector_view = target_buffer[0];
+  for (size_t i = 0; i < kTestDataSize; ++i) {
+    target_vector_view[i] = -1.0f;
+  }
+
+  // Copy assignment from ChannelView.
+  target_vector_view = test_buffer_view;
+
+  for (size_t i = 0; i < test_buffer_view.size(); i++) {
+    EXPECT_EQ(test_buffer_view[i], target_vector_view[i]);
+  }
+
+  AudioBuffer target2_buffer(1, kTestDataSize);
+  ChannelView& target2_vector_view = target2_buffer[0];
+  for (size_t i = 0; i < kTestDataSize; ++i) {
+    target2_vector_view[i] = -1.0f;
+  }
+
+  // Copy assignment from AudioBuffer channel.
+  target2_vector_view = test_buffer[0];
+
+  for (size_t i = 0; i < test_buffer_view.size(); i++) {
+    EXPECT_EQ(test_buffer[0][i], target2_vector_view[i]);
+  }
+}
+
+// Tests addition-assignment operator.
+TEST(ChannelView, AdditionOperatorTest) {
+  // Here an AudioBuffer is used to ensure that the data is aligned.
+  AudioBuffer test_buffer(1, kTestDataSize);
+  ChannelView& test_buffer_view = test_buffer[0];
+  for (size_t i = 0; i < kTestDataSize; ++i) {
+    test_buffer_view[i] = kTestData[i];
+  }
+
+  // Execute |ChannelView|s addition operator.
+  test_buffer_view += test_buffer_view;
+
+  for (size_t i = 0; i < test_buffer_view.size(); i++) {
+    EXPECT_EQ(kTestData[i] * 2.0f, test_buffer_view[i]);
+  }
+}
+
+// Tests subtraction-assignment operator.
+TEST(ChannelView, SubtractionOperatorTest) {
+  // Here an AudioBuffer is used to ensure that the data is aligned.
+  AudioBuffer test_buffer(1, kTestDataSize);
+  ChannelView& test_buffer_view = test_buffer[0];
+  for (size_t i = 0; i < kTestDataSize; ++i) {
+    test_buffer_view[i] = kTestData[i];
+  }
+
+  // Execute |ChannelView|s subtraction operator.
+  test_buffer_view -= test_buffer_view;
+
+  for (size_t i = 0; i < test_buffer_view.size(); i++) {
+    EXPECT_EQ(0.0f, test_buffer_view[i]);
+  }
+}
+
+// Tests Clear method.
+TEST(ChannelView, ClearTest) {
+  AudioBuffer test_buffer(1, kTestDataSize);
+  ChannelView& test_buffer_view = test_buffer[0];
+  for (size_t i = 0; i < kTestDataSize; ++i) {
+    test_buffer_view[i] = kTestData[i];
+  }
+
+  test_buffer_view.Clear();
+
+  for (const float& sample : test_buffer_view) {
+    EXPECT_EQ(0.0f, sample);
+  }
+}
+
+}  // namespace
+
+}  // namespace vraudio