dlls/user/tests/monitor.c

   1 /*
   2  * Unit tests for monitor APIs
   3  *
   4  * Copyright 2005 Huw Davies
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "wine/test.h"
  22 #include "winbase.h"
  23 #include "wingdi.h"
  24 #include "winuser.h"
  25
  26 static BOOL CALLBACK monitor_enum_proc(HMONITOR hmon, HDC hdc, LPRECT lprc,
  27                                        LPARAM lparam)
  28 {
  29     MONITORINFOEXA mi;
  30     char *primary = (char *)lparam;
  31
  32     mi.cbSize = sizeof(mi);
  33
  34     ok(GetMonitorInfoA(hmon, (MONITORINFO*)&mi), "GetMonitorInfo failed\n");
  35     if(mi.dwFlags == MONITORINFOF_PRIMARY)
  36         strcpy(primary, mi.szDevice);
  37
  38     return TRUE;
  39 }
  40
  41 static void test_enumdisplaydevices(void)
  42 {
  43     DISPLAY_DEVICEA dd;
  44     char primary_device_name[32];
  45     char primary_monitor_device_name[32];
  46     DWORD primary_num = -1, num = 0;
  47
  48     dd.cb = sizeof(dd);
  49     while(1)
  50     {
  51         BOOL ret;
  52         ret = EnumDisplayDevicesA(NULL, num, &dd, 0), "EnumDisplayDevices fails\n";
  53         ok(ret || num != 0, "EnumDisplayDevices fails with num == 0\n");
  54         if(!ret) break;
  55         if(dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
  56         {
  57             strcpy(primary_device_name, dd.DeviceName);
  58             primary_num = num;
  59         }
  60         num++;
  61     }
  62     ok(primary_num != -1, "Didn't get the primary device\n");
  63
  64     ok(EnumDisplayMonitors(NULL, NULL, monitor_enum_proc, (LPARAM)primary_monitor_device_name),
  65        "EnumDisplayMonitors failed\n");
  66
  67     ok(!strcmp(primary_monitor_device_name, primary_device_name),
  68        "monitor device name %s, device name %s\n", primary_monitor_device_name,
  69        primary_device_name);
  70 }
  71
  72
  73
  74 START_TEST(monitor)
  75 {
  76     test_enumdisplaydevices();
  77 }