dlls/user/tests/winstation.c

   1 /*
   2  * Unit tests for window stations and desktops
   3  *
   4  * Copyright 2002 Alexandre Julliard
   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 #define DESKTOP_ALL_ACCESS 0x01ff
  27
  28 static void print_object( HANDLE obj )
  29 {
  30     char buffer[100];
  31     DWORD size;
  32
  33     strcpy( buffer, "foobar" );
  34     if (!GetUserObjectInformationA( obj, UOI_NAME, buffer, sizeof(buffer), &size ))
  35         trace( "could not get info for %p\n", obj );
  36     else
  37         trace( "obj %p name '%s'\n", obj, buffer );
  38     strcpy( buffer, "foobar" );
  39     if (!GetUserObjectInformationA( obj, UOI_TYPE, buffer, sizeof(buffer), &size ))
  40         trace( "could not get type for %p\n", obj );
  41     else
  42         trace( "obj %p type '%s'\n", obj, buffer );
  43 }
  44
  45 static HDESK initial_desktop;
  46
  47 static DWORD CALLBACK thread( LPVOID arg )
  48 {
  49     HDESK d1, d2;
  50     HWND hwnd = CreateWindowExA(0,"BUTTON","test",WS_POPUP,0,0,100,100,GetDesktopWindow(),0,0,0);
  51     ok( hwnd != 0, "CreateWindow failed\n" );
  52     d1 = GetThreadDesktop(GetCurrentThreadId());
  53     trace( "thread %p desktop: %p\n", arg, d1 );
  54     ok( d1 == initial_desktop, "thread %p doesn't use initial desktop\n", arg );
  55
  56     SetLastError( 0xdeadbeef );
  57     ok( !CloseHandle( d1 ), "CloseHandle succeeded\n" );
  58     ok( GetLastError() == ERROR_INVALID_HANDLE, "bad last error %ld\n", GetLastError() );
  59     SetLastError( 0xdeadbeef );
  60     ok( !CloseDesktop( d1 ), "CloseDesktop succeeded\n" );
  61     ok( GetLastError() == ERROR_BUSY, "bad last error %ld\n", GetLastError() );
  62     print_object( d1 );
  63     d2 = CreateDesktop( "foobar2", NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
  64     trace( "created desktop %p\n", d2 );
  65     ok( d2 != 0, "CreateDesktop failed\n" );
  66
  67     SetLastError( 0xdeadbeef );
  68     ok( !SetThreadDesktop( d2 ), "set thread desktop succeeded with existing window\n" );
  69     ok( GetLastError() == ERROR_BUSY, "bad last error %ld\n", GetLastError() );
  70
  71     DestroyWindow( hwnd );
  72     ok( SetThreadDesktop( d2 ), "set thread desktop failed\n" );
  73     d1 = GetThreadDesktop(GetCurrentThreadId());
  74     ok( d1 == d2, "GetThreadDesktop did not return set desktop %p/%p\n", d1, d2 );
  75     print_object( d2 );
  76     if (arg < (LPVOID)5)
  77     {
  78         HANDLE hthread = CreateThread( NULL, 0, thread, (char *)arg + 1, 0, NULL );
  79         Sleep(1000);
  80         WaitForSingleObject( hthread, INFINITE );
  81         CloseHandle( hthread );
  82     }
  83     return 0;
  84 }
  85
  86 static void test_handles(void)
  87 {
  88     HWINSTA w1, w2, w3;
  89     HDESK d1, d2, d3;
  90     HANDLE hthread;
  91     DWORD id, flags;
  92
  93     /* win stations */
  94
  95     w1 = GetProcessWindowStation();
  96     ok( GetProcessWindowStation() == w1, "GetProcessWindowStation returned different handles\n" );
  97     ok( !CloseWindowStation(w1), "closing process win station succeeded\n" );
  98     SetLastError( 0xdeadbeef );
  99     ok( !CloseHandle(w1), "closing process win station handle succeeded\n" );
 100     ok( GetLastError() == ERROR_INVALID_HANDLE, "bad last error %ld\n", GetLastError() );
 101     print_object( w1 );
 102
 103     flags = 0;
 104     ok( GetHandleInformation( w1, &flags ), "GetHandleInformation failed\n" );
 105     ok( !(flags & HANDLE_FLAG_PROTECT_FROM_CLOSE), "handle %p PROTECT_FROM_CLOSE set\n", w1 );
 106
 107     ok( DuplicateHandle( GetCurrentProcess(), w1, GetCurrentProcess(), (PHANDLE)&w2, 0,
 108                          TRUE, DUPLICATE_SAME_ACCESS ), "DuplicateHandle failed\n" );
 109     ok( CloseWindowStation(w2), "closing dup win station failed\n" );
 110
 111     ok( DuplicateHandle( GetCurrentProcess(), w1, GetCurrentProcess(), (PHANDLE)&w2, 0,
 112                          TRUE, DUPLICATE_SAME_ACCESS ), "DuplicateHandle failed\n" );
 113     ok( CloseHandle(w2), "closing dup win station handle failed\n" );
 114
 115     w2 = CreateWindowStation("WinSta0", 0, WINSTA_ALL_ACCESS, NULL );
 116     ok( w2 != 0, "CreateWindowStation failed\n" );
 117     ok( w2 != w1, "CreateWindowStation returned default handle\n" );
 118     SetLastError( 0xdeadbeef );
 119     ok( !CloseDesktop( (HDESK)w2 ), "CloseDesktop succeeded on win station\n" );
 120     ok( GetLastError() == ERROR_INVALID_HANDLE, "bad last error %ld\n", GetLastError() );
 121     ok( CloseWindowStation( w2 ), "CloseWindowStation failed\n" );
 122
 123     w2 = CreateWindowStation("WinSta0", 0, WINSTA_ALL_ACCESS, NULL );
 124     ok( CloseHandle( w2 ), "CloseHandle failed\n" );
 125
 126     w2 = OpenWindowStation("winsta0", TRUE, WINSTA_ALL_ACCESS );
 127     ok( w2 != 0, "OpenWindowStation failed\n" );
 128     ok( w2 != w1, "OpenWindowStation returned default handle\n" );
 129     ok( CloseWindowStation( w2 ), "CloseWindowStation failed\n" );
 130
 131     w2 = OpenWindowStation("dummy name", TRUE, WINSTA_ALL_ACCESS );
 132     ok( !w2, "open dummy win station succeeded\n" );
 133
 134     CreateMutexA( NULL, 0, "foobar" );
 135     w2 = CreateWindowStation("foobar", 0, WINSTA_ALL_ACCESS, NULL );
 136     ok( w2 != 0, "create foobar station failed\n" );
 137
 138     w3 = OpenWindowStation("foobar", TRUE, WINSTA_ALL_ACCESS );
 139     ok( w3 != 0, "open foobar station failed\n" );
 140     ok( w3 != w2, "open foobar station returned same handle\n" );
 141     ok( CloseWindowStation( w2 ), "CloseWindowStation failed\n" );
 142     ok( CloseWindowStation( w3 ), "CloseWindowStation failed\n" );
 143
 144     w3 = OpenWindowStation("foobar", TRUE, WINSTA_ALL_ACCESS );
 145     ok( !w3, "open foobar station succeeded\n" );
 146
 147     /* desktops */
 148     d1 = GetThreadDesktop(GetCurrentThreadId());
 149     initial_desktop = d1;
 150     ok( GetThreadDesktop(GetCurrentThreadId()) == d1,
 151         "GetThreadDesktop returned different handles\n" );
 152
 153     flags = 0;
 154     ok( GetHandleInformation( d1, &flags ), "GetHandleInformation failed\n" );
 155     ok( !(flags & HANDLE_FLAG_PROTECT_FROM_CLOSE), "handle %p PROTECT_FROM_CLOSE set\n", d1 );
 156
 157     SetLastError( 0xdeadbeef );
 158     ok( !CloseDesktop(d1), "closing thread desktop succeeded\n" );
 159     ok( GetLastError() == ERROR_BUSY, "bad last error %ld\n", GetLastError() );
 160
 161     SetLastError( 0xdeadbeef );
 162     ok( !CloseHandle(d1), "closing thread desktop handle failed\n" );
 163     ok( GetLastError() == ERROR_INVALID_HANDLE, "bad last error %ld\n", GetLastError() );
 164
 165     ok( DuplicateHandle( GetCurrentProcess(), d1, GetCurrentProcess(), (PHANDLE)&d2, 0,
 166                          TRUE, DUPLICATE_SAME_ACCESS ), "DuplicateHandle failed\n" );
 167     ok( CloseDesktop(d2), "closing dup desktop failed\n" );
 168
 169     ok( DuplicateHandle( GetCurrentProcess(), d1, GetCurrentProcess(), (PHANDLE)&d2, 0,
 170                          TRUE, DUPLICATE_SAME_ACCESS ), "DuplicateHandle failed\n" );
 171     ok( CloseHandle(d2), "closing dup desktop handle failed\n" );
 172
 173     d2 = OpenDesktop( "dummy name", 0, TRUE, DESKTOP_ALL_ACCESS );
 174     ok( !d2, "open dummy desktop succeeded\n" );
 175
 176     d2 = CreateDesktop( "foobar", NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
 177     ok( d2 != 0, "create foobar desktop failed\n" );
 178     SetLastError( 0xdeadbeef );
 179     ok( !CloseWindowStation( (HWINSTA)d2 ), "CloseWindowStation succeeded on desktop\n" );
 180     ok( GetLastError() == ERROR_INVALID_HANDLE, "bad last error %ld\n", GetLastError() );
 181
 182     d3 = OpenDesktop( "foobar", 0, TRUE, DESKTOP_ALL_ACCESS );
 183     ok( d3 != 0, "open foobar desktop failed\n" );
 184     ok( d3 != d2, "open foobar desktop returned same handle\n" );
 185     ok( CloseDesktop( d2 ), "CloseDesktop failed\n" );
 186     ok( CloseDesktop( d3 ), "CloseDesktop failed\n" );
 187
 188     d3 = OpenDesktop( "foobar", 0, TRUE, DESKTOP_ALL_ACCESS );
 189     ok( !d3, "open foobar desktop succeeded\n" );
 190
 191     ok( !CloseHandle(d1), "closing thread desktop handle succeeded\n" );
 192     d2 = GetThreadDesktop(GetCurrentThreadId());
 193     ok( d1 == d2, "got different handles after close\n" );
 194
 195     trace( "thread 1 desktop: %p\n", d1 );
 196     print_object( d1 );
 197     hthread = CreateThread( NULL, 0, thread, (LPVOID)2, 0, &id );
 198     Sleep(1000);
 199     trace( "get other thread desktop: %p\n", GetThreadDesktop(id) );
 200     WaitForSingleObject( hthread, INFINITE );
 201     CloseHandle( hthread );
 202 }
 203
 204 START_TEST(winstation)
 205 {
 206     /* Check whether this platform supports WindowStation calls */
 207
 208     SetLastError( 0xdeadbeef );
 209     GetProcessWindowStation();
 210     if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
 211     {
 212         trace("WindowStation calls not supported on this platform\n");
 213         return;
 214     }
 215
 216     test_handles();
 217 }