rostests/apitests/user32/SetScrollRange.c

   1 /*
   2  * PROJECT:         ReactOS API tests
   3  * LICENSE:         LGPLv2.1+ - See COPYING.LIB in the top level directory
   4  * PURPOSE:         Test for SetScrollRange
   5  * PROGRAMMERS:     Thomas Faber <thomas.faber@reactos.org>
   6  */
   7
   8 #include <apitest.h>
   9
  10 #include <wingdi.h>
  11 #include <winuser.h>
  12
  13 START_TEST(SetScrollRange)
  14 {
  15     struct
  16     {
  17         INT nMin;
  18         INT nMax;
  19         BOOL result;
  20     } tests[] =
  21     {
  22         {  0,                0,     TRUE },
  23         {  0,          INT_MAX,     TRUE },
  24         { -1,          INT_MAX,     FALSE },
  25         { INT_MIN,     INT_MAX,     FALSE },
  26         { INT_MIN,     0,           FALSE },
  27         { INT_MIN,     -1,          TRUE },
  28     };
  29     unsigned i;
  30     HWND hScroll;
  31     BOOL success;
  32     DWORD error;
  33     INT newMin, newMax;
  34
  35     hScroll = CreateWindowExW(0, L"SCROLLBAR", NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL);
  36     ok(hScroll != NULL, "CreateWindowEx failed with %lu\n", GetLastError());
  37     if (!hScroll)
  38     {
  39         skip("No scroll bar\n");
  40         return;
  41     }
  42
  43     for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++)
  44     {
  45         (void)SetScrollRange(hScroll, SB_CTL, 123, 456, FALSE);
  46         SetLastError(0xdeaff00d);
  47         success = SetScrollRange(hScroll, SB_CTL, tests[i].nMin, tests[i].nMax, FALSE);
  48         error = GetLastError();
  49         (void)GetScrollRange(hScroll, SB_CTL, &newMin, &newMax);
  50         if (tests[i].result)
  51         {
  52             ok(success == TRUE, "SetScrollRange(%d, %d) failed with %d %lu\n", tests[i].nMin, tests[i].nMax, success, error);
  53             ok(newMin == tests[i].nMin, "nMin was changed to %d\n", tests[i].nMin);
  54             ok(newMax == tests[i].nMax, "nMax was changed to %d\n", tests[i].nMax);
  55         }
  56         else
  57         {
  58             ok(success == FALSE, "SetScrollRange(%d, %d) succeeded with %d\n", tests[i].nMin, tests[i].nMax, success);
  59             ok(error == ERROR_INVALID_SCROLLBAR_RANGE, "Error %lu\n", error);
  60             ok(newMin == 123, "nMin was changed to %d\n", newMin);
  61             ok(newMax == 456, "nMax was changed to %d\n", newMax);
  62         }
  63     }
  64
  65     DestroyWindow(hScroll);
  66 }