1 files changed, 108 insertions, 0 deletions
diff --git a/third_party/libwebrtc/media/base/video_common_unittest.cc b/third_party/libwebrtc/media/base/video_common_unittest.cc
new file mode 100644
index 0000000000..3f445c7769
--- /dev/null
+++ b/third_party/libwebrtc/media/base/video_common_unittest.cc
@@ -0,0 +1,108 @@
+/*
+ *  Copyright (c) 2008 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 "media/base/video_common.h"
+
+#include "test/gtest.h"
+
+namespace cricket {
+
+TEST(VideoCommonTest, TestCanonicalFourCC) {
+  // Canonical fourccs are not changed.
+  EXPECT_EQ(FOURCC_I420, CanonicalFourCC(FOURCC_I420));
+  // The special FOURCC_ANY value is not changed.
+  EXPECT_EQ(FOURCC_ANY, CanonicalFourCC(FOURCC_ANY));
+  // Aliases are translated to the canonical equivalent.
+  EXPECT_EQ(FOURCC_I420, CanonicalFourCC(FOURCC_IYUV));
+  EXPECT_EQ(FOURCC_I422, CanonicalFourCC(FOURCC_YU16));
+  EXPECT_EQ(FOURCC_I444, CanonicalFourCC(FOURCC_YU24));
+  EXPECT_EQ(FOURCC_YUY2, CanonicalFourCC(FOURCC_YUYV));
+  EXPECT_EQ(FOURCC_YUY2, CanonicalFourCC(FOURCC_YUVS));
+  EXPECT_EQ(FOURCC_UYVY, CanonicalFourCC(FOURCC_HDYC));
+  EXPECT_EQ(FOURCC_UYVY, CanonicalFourCC(FOURCC_2VUY));
+  EXPECT_EQ(FOURCC_MJPG, CanonicalFourCC(FOURCC_JPEG));
+  EXPECT_EQ(FOURCC_MJPG, CanonicalFourCC(FOURCC_DMB1));
+  EXPECT_EQ(FOURCC_BGGR, CanonicalFourCC(FOURCC_BA81));
+  EXPECT_EQ(FOURCC_RAW, CanonicalFourCC(FOURCC_RGB3));
+  EXPECT_EQ(FOURCC_24BG, CanonicalFourCC(FOURCC_BGR3));
+  EXPECT_EQ(FOURCC_BGRA, CanonicalFourCC(FOURCC_CM32));
+  EXPECT_EQ(FOURCC_RAW, CanonicalFourCC(FOURCC_CM24));
+}
+
+// Test conversion between interval and fps
+TEST(VideoCommonTest, TestVideoFormatFps) {
+  EXPECT_EQ(VideoFormat::kMinimumInterval, VideoFormat::FpsToInterval(0));
+  EXPECT_EQ(rtc::kNumNanosecsPerSec / 20, VideoFormat::FpsToInterval(20));
+  EXPECT_EQ(20, VideoFormat::IntervalToFps(rtc::kNumNanosecsPerSec / 20));
+  EXPECT_EQ(0, VideoFormat::IntervalToFps(0));
+}
+
+// Test IsSize0x0
+TEST(VideoCommonTest, TestVideoFormatIsSize0x0) {
+  VideoFormat format;
+  EXPECT_TRUE(format.IsSize0x0());
+  format.width = 320;
+  EXPECT_FALSE(format.IsSize0x0());
+}
+
+// Test ToString: print fourcc when it is printable.
+TEST(VideoCommonTest, TestVideoFormatToString) {
+  VideoFormat format;
+  EXPECT_EQ("0x0x0", format.ToString());
+
+  format.fourcc = FOURCC_I420;
+  format.width = 640;
+  format.height = 480;
+  format.interval = VideoFormat::FpsToInterval(20);
+  EXPECT_EQ("I420 640x480x20", format.ToString());
+
+  format.fourcc = FOURCC_ANY;
+  format.width = 640;
+  format.height = 480;
+  format.interval = VideoFormat::FpsToInterval(20);
+  EXPECT_EQ("640x480x20", format.ToString());
+}
+
+// Test comparison.
+TEST(VideoCommonTest, TestVideoFormatCompare) {
+  VideoFormat format(640, 480, VideoFormat::FpsToInterval(20), FOURCC_I420);
+  VideoFormat format2;
+  EXPECT_NE(format, format2);
+
+  // Same pixelrate, different fourcc.
+  format2 = format;
+  format2.fourcc = FOURCC_YUY2;
+  EXPECT_NE(format, format2);
+  EXPECT_FALSE(format.IsPixelRateLess(format2) ||
+               format2.IsPixelRateLess(format2));
+
+  format2 = format;
+  format2.interval /= 2;
+  EXPECT_TRUE(format.IsPixelRateLess(format2));
+
+  format2 = format;
+  format2.width *= 2;
+  EXPECT_TRUE(format.IsPixelRateLess(format2));
+}
+
+TEST(VideoCommonTest, GreatestCommonDivisor) {
+  EXPECT_EQ(GreatestCommonDivisor(0, 1000), 1000);
+  EXPECT_EQ(GreatestCommonDivisor(1, 1), 1);
+  EXPECT_EQ(GreatestCommonDivisor(8, 12), 4);
+  EXPECT_EQ(GreatestCommonDivisor(24, 54), 6);
+}
+
+TEST(VideoCommonTest, LeastCommonMultiple) {
+  EXPECT_EQ(LeastCommonMultiple(1, 1), 1);
+  EXPECT_EQ(LeastCommonMultiple(2, 3), 6);
+  EXPECT_EQ(LeastCommonMultiple(16, 32), 32);
+}
+
+}  // namespace cricket