From 366a7cdfe485f256bec265e1a2ba8d818f187f1c Mon Sep 17 00:00:00 2001
From: Pavel Krajcevski <pavel@cs.unc.edu>
Date: Wed, 19 Feb 2014 19:35:29 -0500
Subject: [PATCH] Add some YCoCg tests

---
 Base/test/TestPixel.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/Base/test/TestPixel.cpp b/Base/test/TestPixel.cpp
index 9d95fd9..fc97dca 100644
--- a/Base/test/TestPixel.cpp
+++ b/Base/test/TestPixel.cpp
@@ -278,3 +278,33 @@ TEST(Pixel, ScaleColor) {
     EXPECT_EQ(bd[i], newBitDepth[i]);
   }
 }
+
+TEST(YCoCgPixel, Conversion) {
+
+  FasTC::Pixel p;
+  p.R() = 127;
+  p.G() = 127;
+  p.B() = 127;
+  p.A() = 255;
+
+  FasTC::YCoCgPixel yp (p);
+  EXPECT_EQ(yp.Y(), 127);
+  EXPECT_EQ(yp.Co(), 128);
+  EXPECT_EQ(yp.Cg(), 128);
+}
+
+TEST(YCoCgPixel, ConvertBack) {
+  FasTC::Pixel p;
+
+  p.R() = 241;
+  p.G() = 22;
+  p.B() = 102;
+  p.A() = 124;
+
+  FasTC::YCoCgPixel yp (p);
+  FasTC::Pixel bp = yp.ToRGBA();
+
+  for(int i = 0; i < 4; i++) {
+    EXPECT_NEAR(p[i], bp[i], 1);
+  }
+}