Tests the full range of Y

BUG=391
TESTED=TestYUV
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/36809004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1231 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1229
+Version: 1230
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1229
+#define LIBYUV_VERSION 1230
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

unit_test/color_test.cc

@@ -186,6 +186,14 @@ TEST_F(libyuvTest, TestYUV) {
   EXPECT_EQ(255, r1);
   EXPECT_EQ(255, g1);
   EXPECT_EQ(255, b1);
+
+  for (int i = 0; i < 255; ++i) {
+    TestYUVToRGBReference(i, 128, 128, r0, g0, b0);
+    TestYUVToRGB(i, 128, 128, r1, g1, b1, benchmark_width_, benchmark_height_);
+    EXPECT_NEAR(r0, r1, 3);
+    EXPECT_NEAR(r0, g1, 3);
+    EXPECT_NEAR(r0, b1, 3);
+  }
 }
 
 }  // namespace libyuv