chrome/browser/ui/toolbar/encoding_menu_controller_unittest.cc

   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 "chrome/browser/ui/toolbar/encoding_menu_controller.h"
   6
   7 #include <string>
   8
   9 #include "base/basictypes.h"
  10 #include "base/message_loop/message_loop.h"
  11 #include "base/prefs/pref_service.h"
  12 #include "chrome/app/chrome_command_ids.h"
  13 #include "chrome/browser/profiles/profile.h"
  14 #include "chrome/common/pref_names.h"
  15 #include "chrome/test/base/testing_profile.h"
  16 #include "content/public/test/test_browser_thread.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18
  19 using content::BrowserThread;
  20
  21 class EncodingMenuControllerTest : public testing::Test {
  22  public:
  23   EncodingMenuControllerTest()
  24       : ui_thread_(BrowserThread::UI, &message_loop_) {}
  25  private:
  26   base::MessageLoop message_loop_;
  27   content::TestBrowserThread ui_thread_;
  28 };
  29
  30 TEST_F(EncodingMenuControllerTest, EncodingIDsBelongTest) {
  31   EncodingMenuController controller;
  32
  33   // Check some bogus ids to make sure they're never valid.
  34   ASSERT_FALSE(controller.DoesCommandBelongToEncodingMenu(0));
  35   ASSERT_FALSE(controller.DoesCommandBelongToEncodingMenu(-1));
  36
  37   int num_valid_encoding_ids = controller.NumValidGUIEncodingIDs();
  38   const int* valid_encodings = controller.ValidGUIEncodingIDs();
  39   ASSERT_TRUE(controller.DoesCommandBelongToEncodingMenu(
  40       IDC_ENCODING_AUTO_DETECT));
  41   // Check that all valid encodings are accepted.
  42   for (int i = 0; i < num_valid_encoding_ids; ++i) {
  43     ASSERT_TRUE(controller.DoesCommandBelongToEncodingMenu(valid_encodings[i]));
  44   }
  45
  46   // This test asserts that we haven't added a new valid ID without including it
  47   // in the kValidEncodingIds test list above.
  48   // The premise is that new encodings will be added directly after the current
  49   // ones so we'll catch such cases.
  50   int one_past_largest_id = valid_encodings[num_valid_encoding_ids - 1] + 1;
  51   ASSERT_FALSE(controller.DoesCommandBelongToEncodingMenu(one_past_largest_id));
  52 }
  53
  54 TEST_F(EncodingMenuControllerTest, ListEncodingMenuItems) {
  55   typedef EncodingMenuController::EncodingMenuItemList EncodingMenuItemList;
  56   EncodingMenuController controller;
  57
  58   EncodingMenuItemList english_items;
  59   TestingProfile profile_en;
  60
  61   controller.GetEncodingMenuItems(&profile_en, &english_items);
  62
  63   // Make sure there are items in the lists.
  64   ASSERT_FALSE(english_items.empty());
  65   // Make sure that autodetect is the first item on both menus
  66   ASSERT_EQ(english_items[0].first, IDC_ENCODING_AUTO_DETECT);
  67 }
  68
  69 TEST_F(EncodingMenuControllerTest, IsItemChecked) {
  70   TestingProfile profile_en;
  71   std::string encoding("UTF-8");
  72
  73   // Check that enabling and disabling autodetect works.
  74   bool autodetect_enabed[] = {true, false};
  75   PrefService* prefs = profile_en.GetPrefs();
  76   EncodingMenuController controller;
  77   for (size_t i = 0; i < arraysize(autodetect_enabed); ++i) {
  78     bool enabled = autodetect_enabed[i];
  79     prefs->SetBoolean(prefs::kWebKitUsesUniversalDetector, enabled);
  80     ASSERT_TRUE(controller.IsItemChecked(&profile_en,
  81                                          encoding,
  82                                          IDC_ENCODING_AUTO_DETECT) == enabled);
  83   }
  84
  85   // Check all valid encodings, make sure only one is enabled when autodetection
  86   // is turned off.
  87   prefs->SetBoolean(prefs::kWebKitUsesUniversalDetector, false);
  88   bool encoding_is_enabled = false;
  89   size_t num_valid_encoding_ids = controller.NumValidGUIEncodingIDs();
  90   const int* valid_encodings = controller.ValidGUIEncodingIDs();
  91   for (size_t i = 0; i < num_valid_encoding_ids; ++i) {
  92     bool on = controller.IsItemChecked(&profile_en,
  93                                        encoding,
  94                                        valid_encodings[i]);
  95     // Only one item in the encoding menu can be selected at a time.
  96     ASSERT_FALSE(on && encoding_is_enabled);
  97     encoding_is_enabled |= on;
  98   }
  99
 100   // Make sure at least one encoding is enabled.
 101   ASSERT_TRUE(encoding_is_enabled);
 102 }