src/third_party/libjingle/source/talk/base/win32windowpicker_unittest.cc

   1 // Copyright 2010 Google Inc. All Rights Reserved
   2
   3
   4 #include "talk/base/gunit.h"
   5 #include "talk/base/common.h"
   6 #include "talk/base/logging.h"
   7 #include "talk/base/win32window.h"
   8 #include "talk/base/win32windowpicker.h"
   9 #include "talk/base/windowpicker.h"
  10
  11 #ifndef WIN32
  12 #error Only for Windows
  13 #endif
  14
  15 namespace talk_base {
  16
  17 static const TCHAR* kVisibleWindowTitle = L"Visible Window";
  18 static const TCHAR* kInvisibleWindowTitle = L"Invisible Window";
  19
  20 class Win32WindowPickerForTest : public Win32WindowPicker {
  21  public:
  22   Win32WindowPickerForTest() {
  23     EXPECT_TRUE(visible_window_.Create(NULL, kVisibleWindowTitle, WS_VISIBLE,
  24                                        0, 0, 0, 0, 0));
  25     EXPECT_TRUE(invisible_window_.Create(NULL, kInvisibleWindowTitle, 0,
  26                                          0, 0, 0, 0, 0));
  27   }
  28
  29   ~Win32WindowPickerForTest() {
  30     visible_window_.Destroy();
  31     invisible_window_.Destroy();
  32   }
  33
  34   virtual bool GetWindowList(WindowDescriptionList* descriptions) {
  35     if (!Win32WindowPicker::EnumProc(visible_window_.handle(),
  36                                      reinterpret_cast<LPARAM>(descriptions))) {
  37       return false;
  38     }
  39     if (!Win32WindowPicker::EnumProc(invisible_window_.handle(),
  40                                      reinterpret_cast<LPARAM>(descriptions))) {
  41       return false;
  42     }
  43     return true;
  44   }
  45
  46   Win32Window* visible_window() {
  47     return &visible_window_;
  48   }
  49
  50   Win32Window* invisible_window() {
  51     return &invisible_window_;
  52   }
  53
  54  private:
  55   Win32Window visible_window_;
  56   Win32Window invisible_window_;
  57 };
  58
  59 TEST(Win32WindowPickerTest, TestGetWindowList) {
  60   Win32WindowPickerForTest window_picker;
  61   WindowDescriptionList descriptions;
  62   EXPECT_TRUE(window_picker.GetWindowList(&descriptions));
  63   EXPECT_EQ(1, descriptions.size());
  64   WindowDescription desc = descriptions.front();
  65   EXPECT_EQ(window_picker.visible_window()->handle(), desc.id().id());
  66   TCHAR window_title[500];
  67   GetWindowText(window_picker.visible_window()->handle(), window_title,
  68                 ARRAY_SIZE(window_title));
  69   EXPECT_EQ(0, wcscmp(window_title, kVisibleWindowTitle));
  70 }
  71
  72 TEST(Win32WindowPickerTest, TestIsVisible) {
  73   Win32WindowPickerForTest window_picker;
  74   HWND visible_id = window_picker.visible_window()->handle();
  75   HWND invisible_id = window_picker.invisible_window()->handle();
  76   EXPECT_TRUE(window_picker.IsVisible(WindowId(visible_id)));
  77   EXPECT_FALSE(window_picker.IsVisible(WindowId(invisible_id)));
  78 }
  79
  80 TEST(Win32WindowPickerTest, TestMoveToFront) {
  81   Win32WindowPickerForTest window_picker;
  82   HWND visible_id = window_picker.visible_window()->handle();
  83   HWND invisible_id = window_picker.invisible_window()->handle();
  84
  85   // There are a number of condition where SetForegroundWindow might
  86   // fail depending on the state of the calling process. To be on the
  87   // safe side we doesn't expect MoveToFront to return true, just test
  88   // that we don't crash.
  89   window_picker.MoveToFront(WindowId(visible_id));
  90   window_picker.MoveToFront(WindowId(invisible_id));
  91 }
  92
  93 }  // namespace talk_base