diff -r 000000000000 -r 6474c204b198 media/libyuv/unit_test/rotate_argb_test.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/libyuv/unit_test/rotate_argb_test.cc	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,202 @@
+/*
+ *  Copyright 2012 The LibYuv 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 <stdlib.h>
+#include <time.h>
+
+#include "libyuv/cpu_id.h"
+#include "libyuv/rotate_argb.h"
+#include "libyuv/row.h"
+#include "../unit_test/unit_test.h"
+
+namespace libyuv {
+
+void TestRotateBpp(int src_width, int src_height,
+                   int dst_width, int dst_height,
+                   libyuv::RotationMode mode,
+                   int benchmark_iterations,
+                   const int kBpp) {
+  if (src_width < 1) {
+    src_width = 1;
+  }
+  if (src_height < 1) {
+    src_height = 1;
+  }
+  if (dst_width < 1) {
+    dst_width = 1;
+  }
+  if (dst_height < 1) {
+    dst_height = 1;
+  }
+  int src_stride_argb = src_width * kBpp;
+  int src_argb_plane_size = src_stride_argb * src_height;
+  align_buffer_64(src_argb, src_argb_plane_size);
+  for (int i = 0; i < src_argb_plane_size; ++i) {
+    src_argb[i] = random() & 0xff;
+  }
+
+  int dst_stride_argb = dst_width * kBpp;
+  int dst_argb_plane_size = dst_stride_argb * dst_height;
+  align_buffer_64(dst_argb_c, dst_argb_plane_size);
+  align_buffer_64(dst_argb_opt, dst_argb_plane_size);
+  memset(dst_argb_c, 2, dst_argb_plane_size);
+  memset(dst_argb_opt, 3, dst_argb_plane_size);
+
+  if (kBpp == 1) {
+    MaskCpuFlags(0);  // Disable all CPU optimization.
+    RotatePlane(src_argb, src_stride_argb,
+                dst_argb_c, dst_stride_argb,
+                src_width, src_height, mode);
+
+    MaskCpuFlags(-1);  // Enable all CPU optimization.
+    for (int i = 0; i < benchmark_iterations; ++i) {
+      RotatePlane(src_argb, src_stride_argb,
+                  dst_argb_opt, dst_stride_argb,
+                  src_width, src_height, mode);
+    }
+  } else if (kBpp == 4) {
+    MaskCpuFlags(0);  // Disable all CPU optimization.
+    ARGBRotate(src_argb, src_stride_argb,
+               dst_argb_c, dst_stride_argb,
+               src_width, src_height, mode);
+
+    MaskCpuFlags(-1);  // Enable all CPU optimization.
+    for (int i = 0; i < benchmark_iterations; ++i) {
+      ARGBRotate(src_argb, src_stride_argb,
+                 dst_argb_opt, dst_stride_argb,
+                 src_width, src_height, mode);
+    }
+  }
+
+  // Rotation should be exact.
+  for (int i = 0; i < dst_argb_plane_size; ++i) {
+    EXPECT_EQ(dst_argb_c[i], dst_argb_opt[i]);
+  }
+
+  free_aligned_buffer_64(dst_argb_c);
+  free_aligned_buffer_64(dst_argb_opt);
+  free_aligned_buffer_64(src_argb);
+}
+
+static void ARGBTestRotate(int src_width, int src_height,
+                           int dst_width, int dst_height,
+                           libyuv::RotationMode mode,
+                           int benchmark_iterations) {
+  TestRotateBpp(src_width, src_height,
+                dst_width, dst_height,
+                mode, benchmark_iterations, 4);
+}
+
+TEST_F(libyuvTest, ARGBRotate0) {
+  ARGBTestRotate(benchmark_width_, benchmark_height_,
+                 benchmark_width_, benchmark_height_,
+                 kRotate0, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, ARGBRotate90) {
+  ARGBTestRotate(benchmark_width_, benchmark_height_,
+                 benchmark_height_, benchmark_width_,
+                 kRotate90, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, ARGBRotate180) {
+  ARGBTestRotate(benchmark_width_, benchmark_height_,
+                 benchmark_width_, benchmark_height_,
+                 kRotate180, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, ARGBRotate270) {
+  ARGBTestRotate(benchmark_width_, benchmark_height_,
+                 benchmark_height_, benchmark_width_,
+                 kRotate270, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, ARGBRotate0_Odd) {
+  ARGBTestRotate(benchmark_width_ - 3, benchmark_height_ - 1,
+                 benchmark_width_ - 3, benchmark_height_ - 1,
+                 kRotate0, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, ARGBRotate90_Odd) {
+  ARGBTestRotate(benchmark_width_ - 3, benchmark_height_ - 1,
+                 benchmark_height_ - 1, benchmark_width_ - 3,
+                 kRotate90, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, ARGBRotate180_Odd) {
+  ARGBTestRotate(benchmark_width_ - 3, benchmark_height_ - 1,
+                 benchmark_width_ - 3, benchmark_height_ - 1,
+                 kRotate180, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, ARGBRotate270_Odd) {
+  ARGBTestRotate(benchmark_width_ - 3, benchmark_height_ - 1,
+                 benchmark_height_ - 1, benchmark_width_ - 3,
+                 kRotate270, benchmark_iterations_);
+}
+
+static void TestRotatePlane(int src_width, int src_height,
+                            int dst_width, int dst_height,
+                            libyuv::RotationMode mode,
+                            int benchmark_iterations) {
+  TestRotateBpp(src_width, src_height,
+                dst_width, dst_height,
+                mode, benchmark_iterations, 1);
+}
+
+TEST_F(libyuvTest, RotatePlane0) {
+  TestRotatePlane(benchmark_width_, benchmark_height_,
+                  benchmark_width_, benchmark_height_,
+                  kRotate0, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, RotatePlane90) {
+  TestRotatePlane(benchmark_width_, benchmark_height_,
+                  benchmark_height_, benchmark_width_,
+                  kRotate90, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, RotatePlane180) {
+  TestRotatePlane(benchmark_width_, benchmark_height_,
+                  benchmark_width_, benchmark_height_,
+                  kRotate180, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, RotatePlane270) {
+  TestRotatePlane(benchmark_width_, benchmark_height_,
+                  benchmark_height_, benchmark_width_,
+                  kRotate270, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, RotatePlane0_Odd) {
+  TestRotatePlane(benchmark_width_ - 3, benchmark_height_ - 1,
+                  benchmark_width_ - 3, benchmark_height_ - 1,
+                  kRotate0, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, RotatePlane90_Odd) {
+  TestRotatePlane(benchmark_width_ - 3, benchmark_height_ - 1,
+                  benchmark_height_ - 1, benchmark_width_ - 3,
+                  kRotate90, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, RotatePlane180_Odd) {
+  TestRotatePlane(benchmark_width_ - 3, benchmark_height_ - 1,
+                  benchmark_width_ - 3, benchmark_height_ - 1,
+                  kRotate180, benchmark_iterations_);
+}
+
+TEST_F(libyuvTest, RotatePlane270_Odd) {
+  TestRotatePlane(benchmark_width_ - 3, benchmark_height_ - 1,
+                  benchmark_height_ - 1, benchmark_width_ - 3,
+                  kRotate270, benchmark_iterations_);
+}
+
+}  // namespace libyuv