From 7c55ae4ada572676be8387e4f2d2e21daa4286ca Mon Sep 17 00:00:00 2001
From: "fbarchard@google.com" <fbarchard@google.com>
Date: Sun, 8 Mar 2015 23:00:39 +0000
Subject: [PATCH] Change YUV full test to use pseudo random order BUG=none
 TESTED=libyuvTest.TestFullYUV

Review URL: https://webrtc-codereview.appspot.com/45539004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1313 16f28f9a-4ce2-e073-06de-1de4eb20be90
---
 README.chromium          |  2 +-
 include/libyuv/version.h |  2 +-
 unit_test/color_test.cc  | 29 ++++++-----------------------
 3 files changed, 8 insertions(+), 25 deletions(-)

diff --git a/README.chromium b/README.chromium
index 40d4ae451..99ef43862 100644
--- a/README.chromium
+++ b/README.chromium
@@ -1,6 +1,6 @@
 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1312
+Version: 1313
 License: BSD
 License File: LICENSE
 
diff --git a/include/libyuv/version.h b/include/libyuv/version.h
index 2c488e64e..0ea38d522 100644
--- a/include/libyuv/version.h
+++ b/include/libyuv/version.h
@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1312
+#define LIBYUV_VERSION 1313
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT
diff --git a/unit_test/color_test.cc b/unit_test/color_test.cc
index 4339bf24c..6de5dc694 100644
--- a/unit_test/color_test.cc
+++ b/unit_test/color_test.cc
@@ -300,41 +300,24 @@ TEST_F(libyuvTest, TestGreyYUV) {
 TEST_F(libyuvTest, TestFullYUV) {
   int i;
   // If using small image, step faster.
-  int step = benchmark_width_ <= 128 ? 5 : 1;
+  int step = benchmark_width_ <= 128 ? 3 : 1;
   int r0, g0, b0, r1, g1, b1;
-  int rn[256] = { 0, }, gn[256] = { 0, },
-      bn[256] = { 0, }, rx[256] = { 0, },
-      gx[256] = { 0, }, bx[256] = { 0, };
   int rh[256] = { 0, }, gh[256] = { 0, }, bh[256] = { 0, };
   for (int y = 0; y < 256; y += step) {
     for (int u = 0; u < 256; u += step) {
-      for (int v = 0; v < 256; v += step) {
+      for (int v2 = 0; v2 < 256; v2 += step) {
+        int v = (v2 & 1) ? ((v2 >> 1) ^ 0xb8) : (v2 >> 1);
         YUVToRGBReference(y, u, v, &r0, &g0, &b0);
         YUVToRGB(y, u, v, &r1, &g1, &b1);
         EXPECT_NEAR(r0, r1, ERROR_R);
         EXPECT_NEAR(g0, g1, ERROR_G);
         EXPECT_NEAR(b0, b1, ERROR_B);
-        int rd = r1 - r0;
-        int gd = g1 - g0;
-        int bd = b1 - b0;
-        ++rh[rd + 128];
-        ++gh[gd + 128];
-        ++bh[bd + 128];
-        if (rd < rn[r0]) { rn[r0] = rd; }
-        if (gd < gn[g0]) { gn[g0] = gd; }
-        if (bd < bn[b0]) { bn[b0] = bd; }
-        if (rd > rx[r0]) { rx[r0] = rd; }
-        if (gd > gx[g0]) { gx[g0] = gd; }
-        if (bd > bx[b0]) { bx[b0] = bd; }
+        ++rh[r1 - r0 + 128];
+        ++gh[g1 - g0 + 128];
+        ++bh[b1 - b0 + 128];
       }
     }
   }
-  if (step == 1) {
-    for (i = 0; i < 256; ++i) {
-      printf("red %2d %2d, green %2d %2d, blue %2d %2d\n",
-             rn[i], rx[i], gn[i], gx[i], bn[i], bx[i]);
-    }
-  }
   printf("hist\t");
   for (i = 0; i < 256; ++i) {
     if (rh[i] || gh[i] || bh[i]) {