modules/rostests/apitests/gdi32/GetClipRgn.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for GetClipRgn
   5  * PROGRAMMERS:     Timo Kreuzer
   6  */
   7
   8 #include <apitest.h>
   9
  10 #include <wingdi.h>
  11 #include <winuser.h>
  12
  13 void Test_GetClipRgn()
  14 {
  15         HWND hWnd;
  16         HDC hDC;
  17         HRGN hrgn;//, hrgn2;
  18         int ret;
  19
  20         /* Create a window */
  21         hWnd = CreateWindowW(L"BUTTON", L"TestWindow", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
  22                             CW_USEDEFAULT, CW_USEDEFAULT, 100, 100,
  23                             NULL, NULL, 0, 0);
  24
  25         hDC = GetDC(hWnd);
  26         hrgn = CreateRectRgn(0,0,0,0);
  27
  28         /* Test invalid DC */
  29         SetLastError(ERROR_SUCCESS);
  30         ret = GetClipRgn((HDC)0x12345, hrgn);
  31         ok(ret == -1, "Expected -1, got %d\n", ret);
  32         ok(GetLastError() == ERROR_INVALID_PARAMETER, "Expected ERROR_INVALID_PARAMETER, got %ld\n", GetLastError());
  33
  34         /* Test invalid hrgn */
  35         SetLastError(ERROR_SUCCESS);
  36         ret = GetClipRgn(hDC, (HRGN)0x12345);
  37         ok(ret == 0, "Expected 0, got %d\n", ret);
  38         ok(GetLastError() == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %ld\n", GetLastError());
  39
  40         ReleaseDC(hWnd, hDC);
  41         DestroyWindow(hWnd);
  42 }
  43
  44 START_TEST(GetClipRgn)
  45 {
  46     Test_GetClipRgn();
  47 }
  48