rostests/apitests/uxtheme/DrawThemeParentBackground.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for DrawThemeParentBackground
   5  * PROGRAMMERS:     Giannis Adamopoulos
   6  */
   7
   8 #include <apitest.h>
   9 #include <stdio.h>
  10 #include <windows.h>
  11 #include <uxtheme.h>
  12 #include <undocuser.h>
  13 #include <msgtrace.h>
  14 #include <user32testhelpers.h>
  15
  16 HWND hWnd1, hWnd2;
  17
  18 static int get_iwnd(HWND hWnd)
  19 {
  20     if(hWnd == hWnd1) return 1;
  21     else if(hWnd == hWnd2) return 2;
  22     else return 0;
  23 }
  24
  25 static LRESULT CALLBACK TestProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
  26 {
  27     int iwnd = get_iwnd(hwnd);
  28
  29     if(message > WM_USER || !iwnd || message == WM_GETICON)
  30         return DefWindowProc(hwnd, message, wParam, lParam);
  31
  32     RECORD_MESSAGE(iwnd, message, SENT, 0,0);
  33     return DefWindowProc(hwnd, message, wParam, lParam);
  34 }
  35
  36 static void FlushMessages()
  37 {
  38     MSG msg;
  39
  40     while (PeekMessage( &msg, 0, 0, 0, PM_REMOVE ))
  41     {
  42         int iwnd = get_iwnd(msg.hwnd);
  43         if(iwnd && msg.message <= WM_USER)
  44             RECORD_MESSAGE(iwnd, msg.message, POST,0,0);
  45         DispatchMessageW( &msg );
  46     }
  47 }
  48
  49 MSG_ENTRY draw_parent_chain[]={{1, WM_ERASEBKGND},
  50                                {1, WM_PRINTCLIENT},
  51                                {0,0}};
  52
  53 void Test_Messages()
  54 {
  55     HDC hdc;
  56     RECT rc;
  57
  58     RegisterSimpleClass(TestProc, L"testClass");
  59
  60     hWnd1 = CreateWindowW(L"testClass", L"Test parent", WS_OVERLAPPEDWINDOW | WS_VISIBLE, 100, 100, 200, 200, 0, NULL, NULL, NULL);
  61     ok (hWnd1 != NULL, "Expected CreateWindowW to succeed\n");
  62
  63     hWnd2 = CreateWindowW(L"testClass", L"test window", WS_CHILD | WS_VISIBLE, 0, 0, 100, 100, hWnd1, NULL, NULL, NULL);
  64     ok (hWnd2 != NULL, "Expected CreateWindowW to succeed\n");
  65
  66     FlushMessages();
  67     EMPTY_CACHE();
  68
  69     hdc = GetDC(hWnd1);
  70
  71     DrawThemeParentBackground(hWnd2, hdc, NULL);
  72     FlushMessages();
  73     COMPARE_CACHE(draw_parent_chain);
  74
  75     DrawThemeParentBackground(hWnd1, hdc, NULL);
  76     FlushMessages();
  77     COMPARE_CACHE(empty_chain);
  78
  79     ShowWindow(hWnd1, SW_SHOW);
  80     UpdateWindow(hWnd1);
  81     ShowWindow(hWnd2, SW_SHOW);
  82     UpdateWindow(hWnd2);
  83
  84     FlushMessages();
  85     EMPTY_CACHE();
  86
  87     DrawThemeParentBackground(hWnd2, NULL, NULL);
  88     FlushMessages();
  89     COMPARE_CACHE(empty_chain);
  90
  91     DrawThemeParentBackground(hWnd1, NULL, NULL);
  92     FlushMessages();
  93     COMPARE_CACHE(empty_chain);
  94
  95     DrawThemeParentBackground(hWnd2, hdc, NULL);
  96     FlushMessages();
  97     COMPARE_CACHE(draw_parent_chain);
  98
  99     DrawThemeParentBackground(hWnd1, hdc, NULL);
 100     FlushMessages();
 101     COMPARE_CACHE(empty_chain);
 102
 103     memset(&rc, 0, sizeof(rc));
 104
 105     DrawThemeParentBackground(hWnd2, hdc, &rc);
 106     FlushMessages();
 107     COMPARE_CACHE(draw_parent_chain);
 108
 109     DrawThemeParentBackground(hWnd1, hdc, &rc);
 110     FlushMessages();
 111     COMPARE_CACHE(empty_chain);
 112 }
 113
 114 BOOL bGotException;
 115
 116 static LONG WINAPI VEHandler_1(PEXCEPTION_POINTERS ExceptionInfo)
 117 {
 118     ok(FALSE, "VEHandler_1 called!\n");
 119     return EXCEPTION_CONTINUE_SEARCH;
 120 }
 121
 122 static LONG WINAPI VEHandler_2(PEXCEPTION_POINTERS ExceptionInfo)
 123 {
 124     bGotException = TRUE;
 125     return EXCEPTION_CONTINUE_SEARCH;
 126 }
 127
 128 void Test_Params()
 129 {
 130     HRESULT hr;
 131     HDC hdc;
 132     PVOID pVEH;
 133
 134     bGotException = FALSE;
 135
 136     pVEH = AddVectoredExceptionHandler(1, VEHandler_1);
 137
 138     hr = DrawThemeParentBackground(NULL, NULL, NULL);
 139     ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
 140
 141     hr = DrawThemeParentBackground((HWND)0xdeaddead, NULL, NULL);
 142     ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
 143
 144     hr = DrawThemeParentBackground(NULL, (HDC)0xdeaddead, NULL);
 145     ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
 146
 147     hr = DrawThemeParentBackground((HWND)0xdeaddead, (HDC)0xdeaddead, NULL);
 148     ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
 149
 150     RemoveVectoredExceptionHandler(pVEH);
 151
 152     RegisterSimpleClass(DefWindowProcW, L"testClass2");
 153
 154     hWnd1 = CreateWindowW(L"testClass2", L"Test parent", WS_OVERLAPPEDWINDOW | WS_VISIBLE, 100, 100, 200, 200, 0, NULL, NULL, NULL);
 155     ok (hWnd1 != NULL, "Expected CreateWindowW to succeed\n");
 156     hWnd2 = CreateWindowW(L"testClass2", L"test window", WS_CHILD | WS_VISIBLE, 0, 0, 100, 100, hWnd1, NULL, NULL, NULL);
 157     ok (hWnd2 != NULL, "Expected CreateWindowW to succeed\n");
 158
 159     ShowWindow(hWnd1, SW_SHOW);
 160     UpdateWindow(hWnd1);
 161     ShowWindow(hWnd2, SW_SHOW);
 162     UpdateWindow(hWnd2);
 163
 164     hr = DrawThemeParentBackground(hWnd1, NULL, NULL);
 165     ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
 166
 167     hdc = GetDC(hWnd1);
 168     ok (hdc != NULL, "Expected GetDC to succeed\n");
 169
 170     hr = DrawThemeParentBackground(NULL, hdc, NULL);
 171     ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
 172
 173     hr = DrawThemeParentBackground(hWnd1, hdc, NULL);
 174     ok (hr == S_OK, "Expected success got 0x%lx error\n", hr);
 175
 176     hr = DrawThemeParentBackground(hWnd1, (HDC)0xdeaddead, NULL);
 177     ok (hr == S_OK, "Expected success got 0x%lx error\n", hr);
 178
 179     pVEH = AddVectoredExceptionHandler(1, VEHandler_2);
 180     hr = DrawThemeParentBackground(hWnd1, hdc, (RECT*)0xdeaddead);
 181     ok (hr == E_POINTER, "Expected success got 0x%lx error\n", hr);
 182     RemoveVectoredExceptionHandler(pVEH);
 183     ok (bGotException == TRUE, "Excepted a handled exception\n");
 184
 185     hr = DrawThemeParentBackground(hWnd2, NULL, NULL);
 186     ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
 187
 188     hr = DrawThemeParentBackground(hWnd2, hdc, NULL);
 189     ok (hr == S_FALSE, "Expected S_FALSE got 0x%lx error\n", hr);
 190
 191     ReleaseDC(hWnd1, hdc);
 192     hdc = GetDC(hWnd2);
 193     ok (hdc != NULL, "Expected GetDC to succeed\n");
 194
 195     hr = DrawThemeParentBackground(hWnd1, hdc, NULL);
 196     ok (hr == S_OK, "Expected success got 0x%lx error\n", hr);
 197
 198     hr = DrawThemeParentBackground(hWnd2, hdc, NULL);
 199     ok (hr == S_FALSE, "Expected S_FALSE got 0x%lx error\n", hr);
 200     ReleaseDC(hWnd2, hdc);
 201
 202
 203 }
 204
 205 START_TEST(DrawThemeParentBackground)
 206 {
 207     Test_Messages();
 208     Test_Params();
 209 }