dlls/user/tests/class.c

   1 /* Unit test suite for window classes.
   2  *
   3  * Copyright 2002 Mike McCormack
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include <assert.h>
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23
  24 #include "wine/test.h"
  25 #include "winbase.h"
  26 #include "winreg.h"
  27 #include "wingdi.h"
  28 #include "winuser.h"
  29
  30 #define NUMCLASSWORDS 4
  31
  32 LRESULT WINAPI ClassTest_WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
  33 {
  34     return DefWindowProcW (hWnd, msg, wParam, lParam);
  35 }
  36
  37 /***********************************************************************
  38  *
  39  *           WinMain
  40  */
  41 BOOL ClassTest(HINSTANCE hInstance, BOOL global)
  42 {
  43     WNDCLASSW cls, wc;
  44     WCHAR className[] = {'T','e','s','t','C','l','a','s','s',0};
  45     WCHAR winName[]   = {'W','i','n','C','l','a','s','s','T','e','s','t',0};
  46     HWND hTestWnd;
  47     DWORD i;
  48     WCHAR str[20];
  49
  50     cls.style         = CS_HREDRAW | CS_VREDRAW | (global?CS_GLOBALCLASS:0);
  51     cls.lpfnWndProc   = ClassTest_WndProc;
  52     cls.cbClsExtra    = NUMCLASSWORDS*sizeof(DWORD);
  53     cls.cbWndExtra    = 12;
  54     cls.hInstance     = hInstance;
  55     cls.hIcon         = LoadIconW (0, IDI_APPLICATIONW);
  56     cls.hCursor       = LoadCursorW (0, IDC_ARROWW);
  57     cls.hbrBackground = GetStockObject (WHITE_BRUSH);
  58     cls.lpszMenuName  = 0;
  59     cls.lpszClassName = className;
  60
  61     ok(RegisterClassW (&cls) ,
  62         "failed to register class");
  63
  64     ok(!RegisterClassW (&cls),
  65         "RegisterClass of the same class should fail for the second time");
  66
  67 #if 0
  68     /* these succeeds on Wine, but shouldn't cause any trouble ... */
  69     ok(!GlobalFindAtomW(className),
  70         "Found class as global atom");
  71
  72     ok(!FindAtomW(className),
  73         "Found class as global atom");
  74 #endif
  75
  76     /* Setup windows */
  77     hTestWnd = CreateWindowW (className, winName,
  78        WS_OVERLAPPEDWINDOW + WS_HSCROLL + WS_VSCROLL,
  79        CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, 0,
  80        0, hInstance, 0);
  81
  82     ok(hTestWnd,
  83         "Failed to create window");
  84
  85     /* test initial values of valid classwords */
  86     for(i=0; i<NUMCLASSWORDS; i++)
  87     {
  88         SetLastError(0);
  89         ok(!GetClassLongW(hTestWnd,i*sizeof (DWORD)),
  90             "GetClassLongW initial value nonzero!");
  91         ok(!GetLastError(),
  92             "GetClassLongW failed!");
  93     }
  94
  95 #if 0
  96     /*
  97      *  GetClassLongW(hTestWnd, NUMCLASSWORDS*sizeof(DWORD))
  98      *  does not fail on Win 98, though MSDN says it should
  99      */
 100     SetLastError(0);
 101     GetClassLongW(hTestWnd, NUMCLASSWORDS*sizeof(DWORD));
 102     ok(GetLastError(),
 103         "GetClassLongW() with invalid offset did not fail");
 104 #endif
 105
 106     /* set values of valid class words */
 107     for(i=0; i<NUMCLASSWORDS; i++)
 108     {
 109         SetLastError(0);
 110         ok(!SetClassLongW(hTestWnd,i*sizeof(DWORD),i+1),
 111             "GetClassLongW(%ld) initial value nonzero!",i*sizeof(DWORD));
 112         ok(!GetLastError(),
 113             "SetClassLongW(%ld) failed!",i*sizeof(DWORD));
 114     }
 115
 116     /* test values of valid classwords that we set */
 117     for(i=0; i<NUMCLASSWORDS; i++)
 118     {
 119         SetLastError(0);
 120         ok( (i+1) == GetClassLongW(hTestWnd,i*sizeof (DWORD)),
 121             "GetClassLongW value doesn't match what was set!");
 122         ok(!GetLastError(),
 123             "GetClassLongW failed!");
 124     }
 125
 126     /* check GetClassName */
 127     i = GetClassNameW(hTestWnd, str, sizeof str);
 128     ok(i == lstrlenW(className),
 129         "GetClassName returned incorrect length");
 130     ok(!lstrcmpW(className,str),
 131         "GetClassName returned incorrect name for this window's class");
 132
 133     /* check GetClassInfo with our hInstance */
 134     if(GetClassInfoW(hInstance, str, &wc))
 135     {
 136         ok(wc.cbClsExtra == cls.cbClsExtra,
 137             "cbClsExtra did not match");
 138         ok(wc.cbWndExtra == cls.cbWndExtra,
 139             "cbWndExtra did not match");
 140         ok(wc.hbrBackground == cls.hbrBackground,
 141             "hbrBackground did not match");
 142         ok(wc.hCursor== cls.hCursor,
 143             "hCursor did not match");
 144         ok(wc.hInstance== cls.hInstance,
 145             "hInstance did not match");
 146     }
 147     else
 148         ok(FALSE,"GetClassInfo (hinstance) failed!");
 149
 150     /* check GetClassInfo with zero hInstance */
 151     if(global)
 152     {
 153         if(GetClassInfoW(0, str, &wc))
 154         {
 155             ok(wc.cbClsExtra == cls.cbClsExtra,
 156                 "cbClsExtra did not match %x!=%x",wc.cbClsExtra,cls.cbClsExtra);
 157             ok(wc.cbWndExtra == cls.cbWndExtra,
 158                 "cbWndExtra did not match %x!=%x",wc.cbWndExtra,cls.cbWndExtra);
 159             ok(wc.hbrBackground == cls.hbrBackground,
 160                 "hbrBackground did not match %x!=%x",wc.hbrBackground,cls.hbrBackground);
 161             ok(wc.hCursor== cls.hCursor,
 162                 "hCursor did not match %x!=%x",wc.hCursor,cls.hCursor);
 163             ok(!wc.hInstance,
 164                 "hInstance not zero for global class %x",wc.hInstance);
 165         }
 166         else
 167             ok(FALSE,"GetClassInfo (0) failed for global class!");
 168     }
 169     else
 170     {
 171         ok(!GetClassInfoW(0, str, &wc),
 172             "GetClassInfo (0) succeeded for local class!");
 173     }
 174
 175     ok(!UnregisterClassW(className, hInstance),
 176         "Unregister class succeeded with window existing");
 177
 178     ok(DestroyWindow(hTestWnd),
 179         "DestroyWindow() failed!");
 180
 181     ok(UnregisterClassW(className, hInstance),
 182         "UnregisterClass() failed");
 183
 184     return TRUE;
 185 }
 186
 187 START_TEST(class)
 188 {
 189     HANDLE hInstance = GetModuleHandleA( NULL );
 190
 191     ClassTest(hInstance,FALSE);
 192     ClassTest(hInstance,TRUE);
 193 }