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 <stdio.h>
   9 #include <wine/test.h>
  10 #include <windows.h>
  11
  12 void Test_ScrollWindowEx()
  13 {
  14         HWND hWnd;
  15         HRGN hrgn;
  16         int Result;
  17
  18         /* Create a window */
  19         hWnd = CreateWindowW(L"BUTTON", L"TestWindow", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
  20                             CW_USEDEFAULT, CW_USEDEFAULT, 100, 100,
  21                             NULL, NULL, 0, 0);
  22         UpdateWindow(hWnd);
  23
  24         /* Assert that no update region is there */
  25         hrgn = CreateRectRgn(0,0,0,0);
  26         Result = GetUpdateRgn(hWnd, hrgn, FALSE);
  27         ok(Result == NULLREGION, "Result = %d\n", Result);
  28
  29         Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, NULL, NULL, 0);
  30         ok(Result == SIMPLEREGION, "Result = %d\n", Result);
  31         Result = GetUpdateRgn(hWnd, hrgn, FALSE);
  32         ok(Result == NULLREGION, "Result = %d\n", Result);
  33
  34         Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, NULL, NULL, SW_INVALIDATE);
  35         ok(Result == SIMPLEREGION, "Result = %d\n", Result);
  36         Result = GetUpdateRgn(hWnd, hrgn, FALSE);
  37         ok(Result == SIMPLEREGION, "Result = %d\n", Result);
  38         UpdateWindow(hWnd);
  39
  40         // test invalid update region
  41         DeleteObject(hrgn);
  42         Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, hrgn, NULL, SW_INVALIDATE);
  43         ok(Result == ERROR, "Result = %d\n", Result);
  44         hrgn = CreateRectRgn(0,0,0,0);
  45         UpdateWindow(hWnd);
  46
  47         // Test invalid updaterect pointer
  48         Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, NULL, (LPRECT)1, SW_INVALIDATE);
  49         ok(Result == ERROR, "Result = %d\n", Result);
  50         Result = GetUpdateRgn(hWnd, hrgn, FALSE);
  51         ok(Result == SIMPLEREGION, "Result = %d\n", Result);
  52
  53 // test for alignment of rects
  54
  55         DeleteObject(hrgn);
  56     DestroyWindow(hWnd);
  57 }
  58
  59 START_TEST(ScrollWindowEx)
  60 {
  61     Test_ScrollWindowEx();
  62 }
  63