1 files changed, 42 insertions, 0 deletions
diff --git a/src/3rdparty/resonance-audio/resonance_audio/utils/sum_and_difference_processor_test.cc b/src/3rdparty/resonance-audio/resonance_audio/utils/sum_and_difference_processor_test.cc
new file mode 100644
index 000000000..e80acbdb5
--- /dev/null
+++ b/src/3rdparty/resonance-audio/resonance_audio/utils/sum_and_difference_processor_test.cc
@@ -0,0 +1,42 @@
+/*
+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 "utils/sum_and_difference_processor.h"
+
+#include "third_party/googletest/googletest/include/gtest/gtest.h"
+
+namespace vraudio {
+
+// Tests Process method.
+TEST(SumAndDifferenceProcessor, TestProcessMethod) {
+  static const std::vector<std::vector<float>> kTestVector = {
+      {0.0f, 1.0f, 2.0f}, {3.0f, 4.0f, 5.0f}};
+
+  AudioBuffer audio_buffer(kTestVector.size(), kTestVector[0].size());
+  audio_buffer = kTestVector;
+
+  SumAndDifferenceProcessor processor(audio_buffer.num_frames());
+  processor.Process(&audio_buffer);
+
+  for (size_t frame = 0; frame < kTestVector[0].size(); ++frame) {
+    EXPECT_EQ(kTestVector[0][frame] + kTestVector[1][frame],
+              audio_buffer[0][frame]);
+    EXPECT_EQ(kTestVector[0][frame] - kTestVector[1][frame],
+              audio_buffer[1][frame]);
+  }
+}
+
+}  // namespace vraudio