rostests/apitests/user32/ScrollWindowEx.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for ScrollWindowEx
   5  * PROGRAMMERS:     Timo Kreuzer
   6  */
   7
   8 #include <apitest.h>
   9
  10 #include <wingdi.h>
  11 #include <winuser.h>
  12
  13 void Test_ScrollWindowEx()
  14 {
  15         HWND hWnd;
  16         HRGN hrgn;
  17         int Result;
  18
  19         /* Create a window */
  20         hWnd = CreateWindowW(L"BUTTON", L"TestWindow", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
  21                             CW_USEDEFAULT, CW_USEDEFAULT, 100, 100,
  22                             NULL, NULL, 0, 0);
  23         UpdateWindow(hWnd);
  24
  25         /* Assert that no update region is there */
  26         hrgn = CreateRectRgn(0,0,0,0);
  27         Result = GetUpdateRgn(hWnd, hrgn, FALSE);
  28         ok(Result == NULLREGION, "Result = %d\n", Result);
  29
  30         Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, NULL, NULL, 0);
  31         ok(Result == SIMPLEREGION, "Result = %d\n", Result);
  32         Result = GetUpdateRgn(hWnd, hrgn, FALSE);
  33         ok(Result == NULLREGION, "Result = %d\n", Result);
  34
  35         Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, NULL, NULL, SW_INVALIDATE);
  36         ok(Result == SIMPLEREGION, "Result = %d\n", Result);
  37         Result = GetUpdateRgn(hWnd, hrgn, FALSE);
  38         ok(Result == SIMPLEREGION, "Result = %d\n", Result);
  39         UpdateWindow(hWnd);
  40
  41         // test invalid update region
  42         DeleteObject(hrgn);
  43         Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, hrgn, NULL, SW_INVALIDATE);
  44         ok(Result == ERROR, "Result = %d\n", Result);
  45         hrgn = CreateRectRgn(0,0,0,0);
  46         UpdateWindow(hWnd);
  47
  48         // Test invalid updaterect pointer
  49         Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, NULL, (LPRECT)1, SW_INVALIDATE);
  50         ok(Result == ERROR, "Result = %d\n", Result);
  51         Result = GetUpdateRgn(hWnd, hrgn, FALSE);
  52         ok(Result == SIMPLEREGION, "Result = %d\n", Result);
  53
  54 // test for alignment of rects
  55
  56         DeleteObject(hrgn);
  57     DestroyWindow(hWnd);
  58 }
  59
  60 START_TEST(ScrollWindowEx)
  61 {
  62     Test_ScrollWindowEx();
  63 }
  64