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1 // Copyright (c) 2011 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 <gtk/gtk.h>
6 
7 #include "chrome/browser/prefs/pref_service.h"
8 #include "chrome/browser/profiles/profile.h"
9 #include "chrome/browser/ui/gtk/gtk_theme_service.h"
10 #include "chrome/common/pref_names.h"
11 #include "chrome/test/testing_profile.h"
12 #include "grit/theme_resources.h"
13 #include "testing/gtest/include/gtest/gtest.h"
14 
15 namespace {
16 
17 // Converts a GdkColor to a SkColor.
GdkToSkColor(GdkColor * color)18 SkColor GdkToSkColor(GdkColor* color) {
19   return SkColorSetRGB(color->red >> 8,
20                        color->green >> 8,
21                        color->blue >> 8);
22 }
23 
24 }  // namespace
25 
26 class GtkThemeServiceTest : public testing::Test {
27  public:
GtkThemeServiceTest()28   GtkThemeServiceTest() : provider_(NULL) {}
29 
SetUseGtkTheme(bool use_gtk_theme)30   void SetUseGtkTheme(bool use_gtk_theme) {
31     profile_.GetPrefs()->SetBoolean(prefs::kUsesSystemTheme, use_gtk_theme);
32   }
33 
BuildProvider()34   void BuildProvider() {
35     provider_ = GtkThemeService::GetFrom(&profile_);
36   }
37 
38  protected:
39   TestingProfile profile_;
40 
41   GtkThemeService* provider_;
42 };
43 
TEST_F(GtkThemeServiceTest,DefaultValues)44 TEST_F(GtkThemeServiceTest, DefaultValues) {
45   SetUseGtkTheme(false);
46   BuildProvider();
47 
48   // Test that we get the default theme colors back when in normal mode.
49   for (int i = ThemeService::COLOR_FRAME;
50        i <= ThemeService::COLOR_BUTTON_BACKGROUND; ++i) {
51     EXPECT_EQ(provider_->GetColor(i), ThemeService::GetDefaultColor(i))
52         << "Wrong default color for " << i;
53   }
54 }
55 
TEST_F(GtkThemeServiceTest,UsingGtkValues)56 TEST_F(GtkThemeServiceTest, UsingGtkValues) {
57   SetUseGtkTheme(true);
58   BuildProvider();
59 
60   // This test only verifies that we're using GTK values. Because of Gtk's
61   // large, implied global state, it would take some IN_PROCESS_BROWSER_TESTS
62   // to write an equivalent of DefaultValues above in a way that wouldn't make
63   // other tests flaky. kColorTabText is the only simple path where there's no
64   // weird calculations for edge cases so use that as a simple test.
65   GtkWidget* fake_label = provider_->fake_label();
66   GtkStyle* label_style = gtk_rc_get_style(fake_label);
67   GdkColor label_color = label_style->fg[GTK_STATE_NORMAL];
68   EXPECT_EQ(provider_->GetColor(ThemeService::COLOR_TAB_TEXT),
69             GdkToSkColor(&label_color));
70 }
71