ui/native_theme/native_theme_mac_unittest.cc

   1 // Copyright 2014 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 "ui/native_theme/native_theme_mac.h"
   6
   7 #include "base/mac/mac_util.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 namespace ui {
  11
  12 // Test to ensure any system colors that are looked up by name exist on all Mac
  13 // platforms Chrome supports, and that their colorspace and component count is
  14 // sane.
  15 TEST(NativeThemeMacTest, SystemColorsExist) {
  16   NativeTheme* native_theme = NativeTheme::instance();
  17   ASSERT_TRUE(native_theme);
  18   for (int i = 0; i < NativeTheme::kColorId_NumColors; ++i) {
  19     // While 0 is a valid color, no system color should be fully transparent.
  20     // This is also to probe for CHECKs.
  21     EXPECT_NE(
  22         static_cast<SkColor>(0),
  23         native_theme->GetSystemColor(static_cast<NativeTheme::ColorId>(i)))
  24             << "GetSystemColor() unexpectedly gave a fully transparent color.";
  25   }
  26 }
  27
  28 // Spot-check some system colours that can't be changed through System
  29 // Preferences.
  30 TEST(NativeThemeMacTest, SystemColorSpotChecks) {
  31   NativeTheme* native_theme = NativeTheme::instance();
  32   const SkColor kWindowColorCatsMavericks = SkColorSetARGB(255, 232, 232, 232);
  33   const SkColor kWindowColorYosemite = SkColorSetARGB(255, 236, 236, 236);
  34   SkColor dialogColor =
  35       native_theme->GetSystemColor(NativeTheme::kColorId_WindowBackground);
  36   if (base::mac::IsOSYosemiteOrLater())
  37     EXPECT_EQ(dialogColor, kWindowColorYosemite);
  38   else
  39     EXPECT_EQ(dialogColor, kWindowColorCatsMavericks);
  40 }
  41
  42 }  // namespace ui