text: // Copyright (c) 2009 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include <gtk/gtk.h>
  
  #include "chrome/browser/gtk/gtk_theme_provider.h"
  #include "chrome/browser/profile.h"
  #include "chrome/common/pref_names.h"
  #include "chrome/test/testing_profile.h"
  #include "grit/theme_resources.h"
  #include "testing/gtest/include/gtest/gtest.h"
  
  namespace {
  
  // Converts a GdkColor to a SkColor.
  SkColor GdkToSkColor(GdkColor* color) {
    return SkColorSetRGB(color->red >> 8,
                         color->green >> 8,
                         color->blue >> 8);
  }
  
  }  // namespace
  
  class GtkThemeProviderTest : public testing::Test {
   public:
    GtkThemeProviderTest() : provider_(NULL) {}
  
    void SetUseGtkTheme(bool use_gtk_theme) {
      profile_.GetPrefs()->SetBoolean(prefs::kUsesSystemTheme, use_gtk_theme);
    }
  
    void BuildProvider() {
      profile_.InitThemes();
      provider_ = GtkThemeProvider::GetFrom(&profile_);
    }
  
   protected:
    TestingProfile profile_;
  
    GtkThemeProvider* provider_;
  };
  
  TEST_F(GtkThemeProviderTest, DefaultValues) {
    SetUseGtkTheme(false);
    BuildProvider();
  
    // Test that we get the default theme colors back when in normal mode.
    for (int i = BrowserThemeProvider::COLOR_FRAME;
         i <= BrowserThemeProvider::COLOR_BUTTON_BACKGROUND; ++i) {
      EXPECT_EQ(provider_->GetColor(i), BrowserThemeProvider::GetDefaultColor(i))
          << "Wrong default color for " << i;
    }
  }
  
  TEST_F(GtkThemeProviderTest, UsingGtkValues) {
    SetUseGtkTheme(true);
    BuildProvider();
  
    // This test only verifies that we're using GTK values. Because of Gtk's
    // large, implied global state, it would take some IN_PROCESS_BROWSER_TESTS
    // to write an equivalent of DefaultValues above in a way that wouldn't make
    // other tests flaky. kColorTabText is the only simple path where there's no
    // weird calculations for edge cases so use that as a simple test.
    GtkWidget* fake_label = provider_->fake_label();
    GtkStyle* label_style = gtk_rc_get_style(fake_label);
    GdkColor label_color = label_style->text[GTK_STATE_NORMAL];
    EXPECT_EQ(provider_->GetColor(BrowserThemeProvider::COLOR_TAB_TEXT),
              GdkToSkColor(&label_color));
  }
  