1 files changed, 49 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_tools/frame_analyzer/reference_less_video_analysis_unittest.cc b/third_party/libwebrtc/rtc_tools/frame_analyzer/reference_less_video_analysis_unittest.cc
new file mode 100644
index 0000000000..b98a014989
--- /dev/null
+++ b/third_party/libwebrtc/rtc_tools/frame_analyzer/reference_less_video_analysis_unittest.cc
@@ -0,0 +1,49 @@
+/*
+ *  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 <vector>
+
+#include "api/scoped_refptr.h"
+#include "rtc_tools/frame_analyzer/reference_less_video_analysis_lib.h"
+#include "rtc_tools/video_file_reader.h"
+#include "test/gtest.h"
+#include "test/testsupport/file_utils.h"
+
+class ReferenceLessVideoAnalysisTest : public ::testing::Test {
+ public:
+  void SetUp() override {
+    video = webrtc::test::OpenY4mFile(
+        webrtc::test::ResourcePath("reference_less_video_test_file", "y4m"));
+    ASSERT_TRUE(video);
+  }
+
+  rtc::scoped_refptr<webrtc::test::Video> video;
+  std::vector<double> psnr_per_frame;
+  std::vector<double> ssim_per_frame;
+};
+
+TEST_F(ReferenceLessVideoAnalysisTest, MatchComputedMetrics) {
+  compute_metrics(video, &psnr_per_frame, &ssim_per_frame);
+  EXPECT_EQ(74, (int)psnr_per_frame.size());
+
+  ASSERT_NEAR(27.2f, psnr_per_frame[1], 0.1f);
+  ASSERT_NEAR(24.9f, psnr_per_frame[5], 0.1f);
+
+  ASSERT_NEAR(0.9f, ssim_per_frame[1], 0.1f);
+  ASSERT_NEAR(0.9f, ssim_per_frame[5], 0.1f);
+}
+
+TEST_F(ReferenceLessVideoAnalysisTest, MatchIdenticalFrameClusters) {
+  compute_metrics(video, &psnr_per_frame, &ssim_per_frame);
+  std::vector<int> identical_frame_clusters =
+      find_frame_clusters(psnr_per_frame, ssim_per_frame);
+  EXPECT_EQ(5, (int)identical_frame_clusters.size());
+  EXPECT_EQ(1, identical_frame_clusters[0]);
+  EXPECT_EQ(1, identical_frame_clusters[4]);
+}