cc/resources/platform_color_unittest.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/resources/platform_color.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8
   9 namespace cc {
  10 namespace {
  11
  12 // Verify SameComponentOrder on this platform.
  13 TEST(PlatformColorTest, SameComponentOrder) {
  14   bool rgba = !!SK_B32_SHIFT;
  15
  16   for (size_t i = 0; i <= RESOURCE_FORMAT_MAX; ++i) {
  17     ResourceFormat format = static_cast<ResourceFormat>(i);
  18     switch (format) {
  19       case RGBA_8888:
  20         EXPECT_EQ(rgba, PlatformColor::SameComponentOrder(format));
  21         break;
  22       case RGBA_4444:
  23         // RGBA_4444 indicates the number of bytes per pixel but the format
  24         // doesn't actually imply RGBA ordering. It uses the native ordering.
  25         EXPECT_EQ(true, PlatformColor::SameComponentOrder(format));
  26         break;
  27       case BGRA_8888:
  28         EXPECT_NE(rgba, PlatformColor::SameComponentOrder(format));
  29         break;
  30       case ALPHA_8:
  31       case LUMINANCE_8:
  32       case RGB_565:
  33       case ETC1:
  34       case RED_8:
  35         EXPECT_FALSE(PlatformColor::SameComponentOrder(format));
  36         break;
  37     }
  38   }
  39 }
  40
  41 }  // namespace
  42 }  // namespace cc