1 /* Unit test suite for window classes.
3 * Copyright 2002 Mike McCormack
4 * Copyright 2003 Alexandre Julliard
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.
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.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 /* To get CS_DROPSHADOW with the MSVC headers */
22 #define _WIN32_WINNT 0x0501
29 #include "wine/test.h"
36 /* we don't want to include commctrl.h: */
37 static const CHAR WC_EDITA[] = "Edit";
38 static const WCHAR WC_EDITW[] = {'E','d','i','t',0};
40 #define NUMCLASSWORDS 4
42 #define IS_WNDPROC_HANDLE(x) (((ULONG_PTR)(x) >> 16) == (~0u >> 16))
44 static LRESULT WINAPI ClassTest_WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
46 return DefWindowProcW (hWnd, msg, wParam, lParam);
49 static LRESULT WINAPI ClassTest_WndProc2 (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
51 return DefWindowProcA (hWnd, msg, wParam, lParam);
54 /***********************************************************************
56 static void ClassTest(HINSTANCE hInstance, BOOL global)
59 static const WCHAR className[] = {'T','e','s','t','C','l','a','s','s',0};
60 static const WCHAR winName[] = {'W','i','n','C','l','a','s','s','T','e','s','t',0};
67 cls.style = CS_HREDRAW | CS_VREDRAW | (global?CS_GLOBALCLASS:0);
68 cls.lpfnWndProc = ClassTest_WndProc;
69 cls.cbClsExtra = NUMCLASSWORDS*sizeof(DWORD);
71 cls.hInstance = hInstance;
72 cls.hIcon = LoadIconW (0, (LPWSTR)IDI_APPLICATION);
73 cls.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
74 cls.hbrBackground = GetStockObject (WHITE_BRUSH);
76 cls.lpszClassName = className;
78 classatom=RegisterClassW(&cls);
79 if (!classatom && GetLastError()==ERROR_CALL_NOT_IMPLEMENTED)
81 ok(classatom, "failed to register class\n");
83 ok(!RegisterClassW (&cls),
84 "RegisterClass of the same class should fail for the second time\n");
87 hTestWnd = CreateWindowW (className, winName,
88 WS_OVERLAPPEDWINDOW + WS_HSCROLL + WS_VSCROLL,
89 CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, 0,
92 ok(hTestWnd!=0, "Failed to create window\n");
94 /* test initial values of valid classwords */
95 for(i=0; i<NUMCLASSWORDS; i++)
98 ok(!GetClassLongW(hTestWnd,i*sizeof (DWORD)),
99 "GetClassLongW initial value nonzero!\n");
101 "GetClassLongW failed!\n");
107 * GetClassLongW(hTestWnd, NUMCLASSWORDS*sizeof(DWORD))
108 * does not fail on Win 98, though MSDN says it should
111 GetClassLongW(hTestWnd, NUMCLASSWORDS*sizeof(DWORD));
113 "GetClassLongW() with invalid offset did not fail\n");
116 /* set values of valid class words */
117 for(i=0; i<NUMCLASSWORDS; i++)
120 ok(!SetClassLongW(hTestWnd,i*sizeof(DWORD),i+1),
121 "GetClassLongW(%d) initial value nonzero!\n",i);
123 "SetClassLongW(%d) failed!\n",i);
126 /* test values of valid classwords that we set */
127 for(i=0; i<NUMCLASSWORDS; i++)
130 ok( (i+1) == GetClassLongW(hTestWnd,i*sizeof (DWORD)),
131 "GetClassLongW value doesn't match what was set!\n");
133 "GetClassLongW failed!\n");
136 /* check GetClassName */
137 i = GetClassNameW(hTestWnd, str, sizeof(str)/sizeof(str[0]));
138 ok(i == lstrlenW(className),
139 "GetClassName returned incorrect length\n");
140 ok(!lstrcmpW(className,str),
141 "GetClassName returned incorrect name for this window's class\n");
143 /* check GetClassInfo with our hInstance */
144 if((test_atom = GetClassInfoW(hInstance, str, &wc)))
146 ok(test_atom == classatom,
147 "class atom did not match\n");
148 ok(wc.cbClsExtra == cls.cbClsExtra,
149 "cbClsExtra did not match\n");
150 ok(wc.cbWndExtra == cls.cbWndExtra,
151 "cbWndExtra did not match\n");
152 ok(wc.hbrBackground == cls.hbrBackground,
153 "hbrBackground did not match\n");
154 ok(wc.hCursor== cls.hCursor,
155 "hCursor did not match\n");
156 ok(wc.hInstance== cls.hInstance,
157 "hInstance did not match\n");
160 ok(FALSE,"GetClassInfo (hinstance) failed!\n");
162 /* check GetClassInfo with zero hInstance */
165 if((test_atom = GetClassInfoW(0, str, &wc)))
167 ok(test_atom == classatom,
168 "class atom did not match %x != %x\n", test_atom, classatom);
169 ok(wc.cbClsExtra == cls.cbClsExtra,
170 "cbClsExtra did not match %x!=%x\n",wc.cbClsExtra,cls.cbClsExtra);
171 ok(wc.cbWndExtra == cls.cbWndExtra,
172 "cbWndExtra did not match %x!=%x\n",wc.cbWndExtra,cls.cbWndExtra);
173 ok(wc.hbrBackground == cls.hbrBackground,
174 "hbrBackground did not match %p!=%p\n",wc.hbrBackground,cls.hbrBackground);
175 ok(wc.hCursor== cls.hCursor,
176 "hCursor did not match %p!=%p\n",wc.hCursor,cls.hCursor);
178 "hInstance not zero for global class %p\n",wc.hInstance);
181 ok(FALSE,"GetClassInfo (0) failed for global class!\n");
185 ok(!GetClassInfoW(0, str, &wc),
186 "GetClassInfo (0) succeeded for local class!\n");
189 ok(!UnregisterClassW(className, hInstance),
190 "Unregister class succeeded with window existing\n");
192 ok(DestroyWindow(hTestWnd),
193 "DestroyWindow() failed!\n");
195 ok(UnregisterClassW(className, hInstance),
196 "UnregisterClass() failed\n");
201 static void check_style( const char *name, int must_exist, UINT style, UINT ignore )
205 if (GetClassInfo( 0, name, &wc ))
207 ok( !(~wc.style & style & ~ignore), "System class %s is missing bits %x (%08x/%08x)\n",
208 name, ~wc.style & style, wc.style, style );
209 ok( !(wc.style & ~style), "System class %s has extra bits %x (%08x/%08x)\n",
210 name, wc.style & ~style, wc.style, style );
213 ok( !must_exist, "System class %s does not exist\n", name );
216 /* test styles of system classes */
217 static void test_styles(void)
219 /* check style bits */
220 check_style( "Button", 1, CS_PARENTDC | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW, 0 );
221 check_style( "ComboBox", 1, CS_PARENTDC | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW, 0 );
222 check_style( "Edit", 1, CS_PARENTDC | CS_DBLCLKS, 0 );
223 check_style( "ListBox", 1, CS_PARENTDC | CS_DBLCLKS, CS_PARENTDC /*FIXME*/ );
224 check_style( "MDIClient", 1, 0, 0 );
225 check_style( "ScrollBar", 1, CS_PARENTDC | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW, 0 );
226 check_style( "Static", 1, CS_PARENTDC | CS_DBLCLKS, 0 );
227 check_style( "ComboLBox", 1, CS_SAVEBITS | CS_DBLCLKS, 0 );
228 check_style( "DDEMLEvent", 0, 0, 0 );
229 check_style( "Message", 0, 0, 0 );
230 check_style( "#32768", 1, CS_DROPSHADOW | CS_SAVEBITS | CS_DBLCLKS, CS_DROPSHADOW ); /* menu */
231 check_style( "#32769", 1, CS_DBLCLKS, 0 ); /* desktop */
232 check_style( "#32770", 1, CS_SAVEBITS | CS_DBLCLKS, 0 ); /* dialog */
233 todo_wine { check_style( "#32771", 1, CS_SAVEBITS | CS_HREDRAW | CS_VREDRAW, 0 ); } /* task switch */
234 check_style( "#32772", 1, 0, 0 ); /* icon title */
237 static void check_class_(int line, HINSTANCE inst, const char *name, const char *menu_name)
240 UINT atom = GetClassInfo(inst,name,&wc);
241 ok_(__FILE__,line)( atom, "Class %s %p not found\n", name, inst );
244 if (wc.lpszMenuName && menu_name)
245 ok_(__FILE__,line)( !strcmp( menu_name, wc.lpszMenuName ),
246 "Wrong name %s/%s for class %s %p\n",
247 wc.lpszMenuName, menu_name, name, inst );
249 ok_(__FILE__,line)( !menu_name == !wc.lpszMenuName, "Wrong name %p/%p for class %s %p\n",
250 wc.lpszMenuName, menu_name, name, inst );
253 #define check_class(inst,name,menu) check_class_(__LINE__,inst,name,menu)
255 static void check_instance_( int line, const char *name, HINSTANCE inst,
256 HINSTANCE info_inst, HINSTANCE gcl_inst )
261 ok_(__FILE__,line)( GetClassInfo( inst, name, &wc ), "Couldn't find class %s inst %p\n", name, inst );
262 ok_(__FILE__,line)( wc.hInstance == info_inst, "Wrong info instance %p/%p for class %s\n",
263 wc.hInstance, info_inst, name );
264 hwnd = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, inst, 0 );
265 ok_(__FILE__,line)( hwnd != NULL, "Couldn't create window for class %s inst %p\n", name, inst );
266 ok_(__FILE__,line)( (HINSTANCE)GetClassLongPtrA( hwnd, GCLP_HMODULE ) == gcl_inst,
267 "Wrong GCL instance %p/%p for class %s\n",
268 (HINSTANCE)GetClassLongPtrA( hwnd, GCLP_HMODULE ), gcl_inst, name );
269 ok_(__FILE__,line)( (HINSTANCE)GetWindowLongPtrA( hwnd, GWLP_HINSTANCE ) == inst,
270 "Wrong GWL instance %p/%p for window %s\n",
271 (HINSTANCE)GetWindowLongPtrA( hwnd, GWLP_HINSTANCE ), inst, name );
272 ok_(__FILE__,line)(!UnregisterClassA(name, inst),
273 "UnregisterClassA should fail while exists a class window\n");
274 ok_(__FILE__,line)(GetLastError() == ERROR_CLASS_HAS_WINDOWS,
275 "GetLastError() should be set to ERROR_CLASS_HAS_WINDOWS not %d\n", GetLastError());
278 #define check_instance(name,inst,info_inst,gcl_inst) check_instance_(__LINE__,name,inst,info_inst,gcl_inst)
283 HINSTANCE inst, info_inst, gcl_inst;
286 static DWORD WINAPI thread_proc(void *param)
288 struct class_info *class_info = param;
290 check_instance(class_info->name, class_info->inst, class_info->info_inst, class_info->gcl_inst);
295 static void check_thread_instance( const char *name, HINSTANCE inst, HINSTANCE info_inst, HINSTANCE gcl_inst )
299 struct class_info class_info;
301 class_info.name = name;
302 class_info.inst = inst;
303 class_info.info_inst = info_inst;
304 class_info.gcl_inst = gcl_inst;
306 hThread = CreateThread(NULL, 0, thread_proc, &class_info, 0, &tid);
307 ok(hThread != NULL, "CreateThread failed, error %d\n", GetLastError());
308 ok(WaitForSingleObject(hThread, INFINITE) == WAIT_OBJECT_0, "WaitForSingleObject failed\n");
309 CloseHandle(hThread);
312 /* test various instance parameters */
313 static void test_instances(void)
317 const char *name = "__test__";
318 HINSTANCE kernel32 = GetModuleHandleA("kernel32");
319 HINSTANCE user32 = GetModuleHandleA("user32");
320 HINSTANCE main_module = GetModuleHandleA(NULL);
324 memset( &cls, 0, sizeof(cls) );
325 cls.style = CS_HREDRAW | CS_VREDRAW;
326 cls.lpfnWndProc = ClassTest_WndProc;
329 cls.lpszClassName = name;
331 cls.lpszMenuName = "main_module";
332 cls.hInstance = main_module;
334 ok( RegisterClassA( &cls ), "Failed to register local class for main module\n" );
335 check_class( main_module, name, "main_module" );
336 check_instance( name, main_module, main_module, main_module );
337 check_thread_instance( name, main_module, main_module, main_module );
339 cls.lpszMenuName = "kernel32";
340 cls.hInstance = kernel32;
341 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
342 check_class( kernel32, name, "kernel32" );
343 check_class( main_module, name, "main_module" );
344 check_instance( name, kernel32, kernel32, kernel32 );
345 check_thread_instance( name, kernel32, kernel32, kernel32 );
346 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
348 /* Bug 2631 - Supplying an invalid number of bytes fails */
351 SetLastError(0xdeadbeef);
352 ok( ((RegisterClassA( &cls ) == 0) && (GetLastError() == ERROR_INVALID_PARAMETER)),
353 "Failed with invalid number of WndExtra bytes\n");
357 SetLastError(0xdeadbeef);
358 ok( ((RegisterClassA( &cls ) == 0) && (GetLastError() == ERROR_INVALID_PARAMETER)),
359 "Failed with invalid number of ClsExtra bytes\n");
363 SetLastError(0xdeadbeef);
364 ok( ((RegisterClassA( &cls ) == 0) && (GetLastError() == ERROR_INVALID_PARAMETER)),
365 "Failed with invalid number of ClsExtra and cbWndExtra bytes\n");
369 SetLastError(0xdeadbeef);
371 /* setting global flag doesn't change status of class */
372 hwnd = CreateWindowExA( 0, name, "test", 0, 0, 0, 0, 0, 0, 0, main_module, 0 );
373 SetClassLongA( hwnd, GCL_STYLE, CS_GLOBALCLASS );
374 cls.lpszMenuName = "kernel32";
375 cls.hInstance = kernel32;
376 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
377 check_class( kernel32, name, "kernel32" );
378 check_class( main_module, name, "main_module" );
379 check_instance( name, kernel32, kernel32, kernel32 );
380 check_instance( name, main_module, main_module, main_module );
381 check_thread_instance( name, kernel32, kernel32, kernel32 );
382 check_thread_instance( name, main_module, main_module, main_module );
383 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
385 /* changing the instance doesn't make it global */
386 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0 );
387 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
388 check_class( kernel32, name, "kernel32" );
389 check_instance( name, kernel32, kernel32, kernel32 );
390 check_thread_instance( name, kernel32, kernel32, kernel32 );
391 ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
392 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
394 /* GetClassInfo with instance 0 finds user32 instance */
395 SetClassLongPtrA( hwnd, GCLP_HMODULE, (LONG_PTR)user32 );
396 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
397 check_class( kernel32, name, "kernel32" );
398 check_class( user32, name, "main_module" );
399 check_class( 0, name, "main_module" );
400 check_instance( name, kernel32, kernel32, kernel32 );
401 check_instance( name, user32, 0, user32 );
402 check_instance( name, 0, 0, kernel32 );
403 check_thread_instance( name, kernel32, kernel32, kernel32 );
404 check_thread_instance( name, user32, 0, user32 );
405 check_thread_instance( name, 0, 0, kernel32 );
406 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
408 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0x12345678 );
409 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
410 check_class( kernel32, name, "kernel32" );
411 check_class( (HINSTANCE)0x12345678, name, "main_module" );
412 check_instance( name, kernel32, kernel32, kernel32 );
413 check_instance( name, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678 );
414 check_thread_instance( name, kernel32, kernel32, kernel32 );
415 check_thread_instance( name, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678 );
416 ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
418 /* creating a window with instance 0 uses the first class found */
419 cls.hInstance = (HINSTANCE)0xdeadbeef;
420 cls.lpszMenuName = "deadbeef";
422 ok( RegisterClassA( &cls ), "Failed to register local class for deadbeef\n" );
423 hwnd2 = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, NULL, 0 );
424 ok( GetClassLongPtrA( hwnd2, GCLP_HMODULE ) == 0xdeadbeef,
425 "Didn't get deadbeef class for null instance\n" );
426 DestroyWindow( hwnd2 );
427 ok( UnregisterClassA( name, (HINSTANCE)0xdeadbeef ), "Unregister failed for deadbeef\n" );
429 hwnd2 = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, NULL, 0 );
430 ok( (HINSTANCE)GetClassLongPtrA( hwnd2, GCLP_HMODULE ) == kernel32,
431 "Didn't get kernel32 class for null instance\n" );
432 DestroyWindow( hwnd2 );
434 r = GetClassName( hwnd, buffer, 4 );
435 ok( r == 3, "expected 3, got %d\n", r );
436 ok( !strcmp( buffer, "__t"), "name wrong: %s\n", buffer );
438 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
440 hwnd2 = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, NULL, 0 );
441 ok( GetClassLongPtrA( hwnd2, GCLP_HMODULE ) == 0x12345678,
442 "Didn't get 12345678 class for null instance\n" );
443 DestroyWindow( hwnd2 );
445 SetClassLongPtrA( hwnd, GCLP_HMODULE, (LONG_PTR)main_module );
446 DestroyWindow( hwnd );
448 /* null handle means the same thing as main module */
449 cls.lpszMenuName = "null";
451 ok( !RegisterClassA( &cls ), "Succeeded registering local class for null instance\n" );
452 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
453 ok( UnregisterClassA( name, main_module ), "Unregister failed for main module\n" );
455 ok( RegisterClassA( &cls ), "Failed to register local class for null instance\n" );
456 /* must be found with main module handle */
457 check_class( main_module, name, "null" );
458 check_instance( name, main_module, main_module, main_module );
459 check_thread_instance( name, main_module, main_module, main_module );
460 ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
461 ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST, "Wrong error code %d\n", GetLastError() );
462 ok( UnregisterClassA( name, 0 ), "Unregister failed for null instance\n" );
464 /* registering for user32 always fails */
465 cls.lpszMenuName = "user32";
466 cls.hInstance = user32;
467 ok( !RegisterClassA( &cls ), "Succeeded registering local class for user32\n" );
468 ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error code %d\n", GetLastError() );
469 cls.style |= CS_GLOBALCLASS;
470 ok( !RegisterClassA( &cls ), "Succeeded registering global class for user32\n" );
471 ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error code %d\n", GetLastError() );
473 /* unregister is OK though */
474 cls.hInstance = main_module;
475 ok( RegisterClassA( &cls ), "Failed to register global class for main module\n" );
476 ok( UnregisterClassA( name, user32 ), "Unregister failed for user32\n" );
478 /* instance doesn't matter for global class */
479 cls.style |= CS_GLOBALCLASS;
480 cls.lpszMenuName = "main_module";
481 cls.hInstance = main_module;
482 ok( RegisterClassA( &cls ), "Failed to register global class for main module\n" );
483 cls.lpszMenuName = "kernel32";
484 cls.hInstance = kernel32;
485 ok( !RegisterClassA( &cls ), "Succeeded registering local class for kernel32\n" );
486 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
487 /* even if global flag is cleared */
488 hwnd = CreateWindowExA( 0, name, "test", 0, 0, 0, 0, 0, 0, 0, main_module, 0 );
489 SetClassLongA( hwnd, GCL_STYLE, 0 );
490 ok( !RegisterClassA( &cls ), "Succeeded registering local class for kernel32\n" );
491 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
493 check_class( main_module, name, "main_module" );
494 check_class( kernel32, name, "main_module" );
495 check_class( 0, name, "main_module" );
496 check_class( (HINSTANCE)0x12345678, name, "main_module" );
497 check_instance( name, main_module, main_module, main_module );
498 check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, main_module );
499 check_thread_instance( name, main_module, main_module, main_module );
500 check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, main_module );
502 /* changing the instance for global class doesn't make much difference */
503 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0xdeadbeef );
504 check_instance( name, main_module, main_module, (HINSTANCE)0xdeadbeef );
505 check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef );
506 check_thread_instance( name, main_module, main_module, (HINSTANCE)0xdeadbeef );
507 check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef );
509 DestroyWindow( hwnd );
510 ok( UnregisterClassA( name, (HINSTANCE)0x87654321 ), "Unregister failed for main module global\n" );
511 ok( !UnregisterClassA( name, (HINSTANCE)0x87654321 ), "Unregister succeeded the second time\n" );
512 ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST, "Wrong error code %d\n", GetLastError() );
514 cls.hInstance = (HINSTANCE)0x12345678;
515 ok( RegisterClassA( &cls ), "Failed to register global class for dummy instance\n" );
516 check_instance( name, main_module, main_module, (HINSTANCE)0x12345678 );
517 check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0x12345678 );
518 check_thread_instance( name, main_module, main_module, (HINSTANCE)0x12345678 );
519 check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0x12345678 );
520 ok( UnregisterClassA( name, (HINSTANCE)0x87654321 ), "Unregister failed for main module global\n" );
522 /* check system classes */
524 /* we cannot register a global class with the name of a system class */
525 cls.style |= CS_GLOBALCLASS;
526 cls.lpszMenuName = "button_main_module";
527 cls.lpszClassName = "BUTTON";
528 cls.hInstance = main_module;
529 ok( !RegisterClassA( &cls ), "Succeeded registering global button class for main module\n" );
530 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
531 cls.hInstance = kernel32;
532 ok( !RegisterClassA( &cls ), "Succeeded registering global button class for kernel32\n" );
533 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
535 /* local class is OK however */
536 cls.style &= ~CS_GLOBALCLASS;
537 cls.lpszMenuName = "button_main_module";
538 cls.hInstance = main_module;
539 ok( RegisterClassA( &cls ), "Failed to register local button class for main module\n" );
540 check_class( main_module, "BUTTON", "button_main_module" );
541 cls.lpszMenuName = "button_kernel32";
542 cls.hInstance = kernel32;
543 ok( RegisterClassA( &cls ), "Failed to register local button class for kernel32\n" );
544 check_class( kernel32, "BUTTON", "button_kernel32" );
545 check_class( main_module, "BUTTON", "button_main_module" );
546 ok( UnregisterClassA( "BUTTON", kernel32 ), "Unregister failed for kernel32 button\n" );
547 ok( UnregisterClassA( "BUTTON", main_module ), "Unregister failed for main module button\n" );
548 /* GetClassInfo sets instance to passed value for global classes */
549 check_instance( "BUTTON", 0, 0, user32 );
550 check_instance( "BUTTON", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
551 check_instance( "BUTTON", user32, 0, user32 );
552 check_thread_instance( "BUTTON", 0, 0, user32 );
553 check_thread_instance( "BUTTON", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
554 check_thread_instance( "BUTTON", user32, 0, user32 );
556 /* we can unregister system classes */
557 ok( GetClassInfo( 0, "BUTTON", &wc ), "Button class not found with null instance\n" );
558 ok( GetClassInfo( kernel32, "BUTTON", &wc ), "Button class not found with kernel32\n" );
559 ok( UnregisterClass( "BUTTON", (HINSTANCE)0x12345678 ), "Failed to unregister button\n" );
560 ok( !UnregisterClass( "BUTTON", (HINSTANCE)0x87654321 ), "Unregistered button a second time\n" );
561 ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST, "Wrong error code %d\n", GetLastError() );
562 ok( !GetClassInfo( 0, "BUTTON", &wc ), "Button still exists\n" );
563 /* last error not set reliably */
565 /* we can change the instance of a system class */
566 check_instance( "EDIT", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
567 check_thread_instance( "EDIT", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
568 hwnd = CreateWindowExA( 0, "EDIT", "test", 0, 0, 0, 0, 0, 0, 0, main_module, 0 );
569 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0xdeadbeef );
570 check_instance( "EDIT", (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0xdeadbeef );
571 check_thread_instance( "EDIT", (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0xdeadbeef );
574 static void test_builtinproc(void)
576 /* Edit behaves differently */
577 static const CHAR NORMAL_CLASSES[][10] = {
584 "#32770", /* dialog */
586 static const int NUM_NORMAL_CLASSES = (sizeof(NORMAL_CLASSES)/sizeof(NORMAL_CLASSES[0]));
587 static const char classA[] = "deftest";
588 static const WCHAR classW[] = {'d','e','f','t','e','s','t',0};
589 WCHAR unistring[] = {0x142, 0x40e, 0x3b4, 0}; /* a string that would be destroyed by a W->A->W conversion */
590 WNDPROC pDefWindowProcA, pDefWindowProcW;
592 WNDCLASSEXA cls; /* the memory layout of WNDCLASSEXA and WNDCLASSEXW is the same */
598 pDefWindowProcA = GetProcAddress(GetModuleHandle("user32.dll"), "DefWindowProcA");
599 pDefWindowProcW = GetProcAddress(GetModuleHandle("user32.dll"), "DefWindowProcW");
601 for (i = 0; i < 4; i++)
603 ZeroMemory(&cls, sizeof(cls));
604 cls.cbSize = sizeof(cls);
605 cls.hInstance = GetModuleHandle(NULL);
606 cls.hbrBackground = GetStockObject (WHITE_BRUSH);
608 cls.lpfnWndProc = pDefWindowProcA;
610 cls.lpfnWndProc = pDefWindowProcW;
614 cls.lpszClassName = classA;
615 atom = RegisterClassExA(&cls);
619 cls.lpszClassName = (LPCSTR)classW;
620 atom = RegisterClassExW((WNDCLASSEXW *)&cls);
622 ok(atom != 0, "Couldn't register class, i=%d, %d\n", i, GetLastError());
624 hwnd = CreateWindowA(classA, NULL, 0, 0, 0, 100, 100, NULL, NULL, GetModuleHandle(NULL), NULL);
625 ok(hwnd != NULL, "Couldn't create window i=%d\n", i);
627 ok(GetWindowLongPtrA(hwnd, GWLP_WNDPROC) == (LONG_PTR)pDefWindowProcA, "Wrong ANSI wndproc: %p vs %p\n",
628 (void *)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), pDefWindowProcA);
629 ok(GetClassLongPtrA(hwnd, GCLP_WNDPROC) == (ULONG_PTR)pDefWindowProcA, "Wrong ANSI wndproc: %p vs %p\n",
630 (void *)GetClassLongPtrA(hwnd, GCLP_WNDPROC), pDefWindowProcA);
632 ok(GetWindowLongPtrW(hwnd, GWLP_WNDPROC) == (LONG_PTR)pDefWindowProcW, "Wrong Unicode wndproc: %p vs %p\n",
633 (void *)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), pDefWindowProcW);
634 ok(GetClassLongPtrW(hwnd, GCLP_WNDPROC) == (ULONG_PTR)pDefWindowProcW, "Wrong Unicode wndproc: %p vs %p\n",
635 (void *)GetClassLongPtrW(hwnd, GCLP_WNDPROC), pDefWindowProcW);
638 UnregisterClass((LPSTR)(DWORD_PTR)atom, GetModuleHandle(NULL));
641 /* built-in winproc - window A/W type automatically detected */
642 ZeroMemory(&cls, sizeof(cls));
643 cls.cbSize = sizeof(cls);
644 cls.hInstance = GetModuleHandle(NULL);
645 cls.hbrBackground = GetStockObject (WHITE_BRUSH);
646 cls.lpszClassName = classA;
647 cls.lpfnWndProc = pDefWindowProcW;
648 atom = RegisterClassExA(&cls);
650 hwnd = CreateWindowExW(0, classW, NULL, WS_OVERLAPPEDWINDOW,
651 CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, GetModuleHandleA(NULL), 0);
652 ok(IsWindowUnicode(hwnd), "Windows should be Unicode\n");
653 SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONG_PTR)pDefWindowProcA);
654 ok(IsWindowUnicode(hwnd), "Windows should have remained Unicode\n");
655 ok(GetWindowLongPtrW(hwnd, GWLP_WNDPROC) == (LONG_PTR)pDefWindowProcW, "Invalid ANSI winproc\n");
656 ok(GetWindowLongPtrA(hwnd, GWLP_WNDPROC) == (LONG_PTR)pDefWindowProcA, "Invalid Unicode winproc\n");
657 SetWindowLongPtrA(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc);
658 ok(IsWindowUnicode(hwnd) == FALSE, "SetWindowLongPtrA should have switched window to ANSI\n");
661 UnregisterClass((LPSTR)(DWORD_PTR)atom, GetModuleHandle(NULL));
663 /* custom winproc - the same function can be used as both A and W*/
664 ZeroMemory(&cls, sizeof(cls));
665 cls.cbSize = sizeof(cls);
666 cls.hInstance = GetModuleHandle(NULL);
667 cls.hbrBackground = GetStockObject (WHITE_BRUSH);
668 cls.lpszClassName = classA;
669 cls.lpfnWndProc = ClassTest_WndProc2;
670 atom = RegisterClassExA(&cls);
672 hwnd = CreateWindowExW(0, classW, NULL, WS_OVERLAPPEDWINDOW,
673 CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, GetModuleHandleA(NULL), 0);
674 ok(IsWindowUnicode(hwnd) == FALSE, "Window should be ANSI\n");
675 SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc);
676 ok(IsWindowUnicode(hwnd), "SetWindowLongPtrW should have changed window to Unicode\n");
677 SetWindowLongPtrA(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc);
678 ok(IsWindowUnicode(hwnd) == FALSE, "SetWindowLongPtrA should have changed window to ANSI\n");
681 UnregisterClass((LPSTR)(DWORD_PTR)atom, GetModuleHandle(NULL));
683 /* For most of the builtin controls both GetWindowLongPtrA and W returns a pointer that is executed directly
684 * by CallWindowProcA/W */
685 for (i = 0; i < NUM_NORMAL_CLASSES; i++)
687 WNDPROC procA, procW;
688 hwnd = CreateWindowExA(0, NORMAL_CLASSES[i], classA, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 680, 260,
689 NULL, NULL, NULL, 0);
690 ok(hwnd != NULL, "Couldn't create window of class %s\n", NORMAL_CLASSES[i]);
691 SetWindowText(hwnd, classA); /* ComboBox needs this */
692 procA = (WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC);
693 procW = (WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC);
694 ok(!IS_WNDPROC_HANDLE(procA), "procA should not be a handle for %s (%p)\n", NORMAL_CLASSES[i], procA);
695 ok(!IS_WNDPROC_HANDLE(procW), "procW should not be a handle for %s (%p)\n", NORMAL_CLASSES[i], procW);
696 CallWindowProcA(procA, hwnd, WM_GETTEXT, 120, (LPARAM)buf);
697 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT A/A invalid return for class %s\n", NORMAL_CLASSES[i]);
698 CallWindowProcA(procW, hwnd, WM_GETTEXT, 120, (LPARAM)buf);
699 ok(memcmp(buf, classW, sizeof(classW)) == 0, "WM_GETTEXT A/W invalid return for class %s\n", NORMAL_CLASSES[i]);
700 CallWindowProcW(procA, hwnd, WM_GETTEXT, 120, (LPARAM)buf);
701 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT W/A invalid return for class %s\n", NORMAL_CLASSES[i]);
702 CallWindowProcW(procW, hwnd, WM_GETTEXT, 120, (LPARAM)buf);
703 ok(memcmp(buf, classW, sizeof(classW)) == 0, "WM_GETTEXT W/W invalid return for class %s\n", NORMAL_CLASSES[i]);
705 oldproc = (WNDPROC)SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc);
706 ok(IS_WNDPROC_HANDLE(oldproc) == FALSE, "Class %s shouldn't return a handle\n", NORMAL_CLASSES[i]);
710 /* Edit controls are special - they return a wndproc handle when GetWindowLongPtr is called with a different A/W.
711 * On the other hand there is no W->A->W conversion so this control is treated specially. */
712 hwnd = CreateWindowW(WC_EDITW, unistring, WS_OVERLAPPEDWINDOW,
713 CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, NULL, 0);
714 /* GetClassLongPtr returns that both the Unicode and ANSI wndproc */
715 ok(IS_WNDPROC_HANDLE(GetClassLongPtrA(hwnd, GCLP_WNDPROC)) == FALSE, "Edit control class should have a Unicode wndproc\n");
716 ok(IS_WNDPROC_HANDLE(GetClassLongPtrW(hwnd, GCLP_WNDPROC)) == FALSE, "Edit control class should have a ANSI wndproc\n");
717 /* But GetWindowLongPtr returns only a handle for the ANSI one */
718 ok(IS_WNDPROC_HANDLE(GetWindowLongPtrA(hwnd, GWLP_WNDPROC)), "Edit control should return a wndproc handle\n");
719 ok(!IS_WNDPROC_HANDLE(GetWindowLongPtrW(hwnd, GWLP_WNDPROC)), "Edit control shouldn't return a W wndproc handle\n");
720 CallWindowProcW((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
721 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
722 CallWindowProcA((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
723 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
724 CallWindowProcW((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
725 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
727 SetWindowTextW(hwnd, classW);
728 CallWindowProcA((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
729 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
731 oldproc = (WNDPROC)SetWindowLongPtrA(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc2);
732 /* SetWindowLongPtr returns a wndproc handle - like GetWindowLongPtr */
733 ok(IS_WNDPROC_HANDLE(oldproc), "Edit control should return a wndproc handle\n");
734 ok(IsWindowUnicode(hwnd) == FALSE, "SetWindowLongPtrA should have changed window to ANSI\n");
735 SetWindowTextA(hwnd, classA); /* Windows resets the title to WideStringToMultiByte(unistring) */
736 memset(buf, 0, sizeof(buf));
737 CallWindowProcA((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
738 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
739 CallWindowProcA((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
740 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
741 CallWindowProcW((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
742 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
744 CallWindowProcW((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
745 ok(memcmp(buf, classW, sizeof(classW)) == 0, "WM_GETTEXT invalid return\n");
749 hwnd = CreateWindowA(WC_EDITA, classA, WS_OVERLAPPEDWINDOW,
750 CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, NULL, 0);
752 /* GetClassLongPtr returns that both the Unicode and ANSI wndproc */
753 ok(!IS_WNDPROC_HANDLE(GetClassLongPtrA(hwnd, GCLP_WNDPROC)), "Edit control class should have a Unicode wndproc\n");
754 ok(!IS_WNDPROC_HANDLE(GetClassLongPtrW(hwnd, GCLP_WNDPROC)), "Edit control class should have a ANSI wndproc\n");
755 /* But GetWindowLongPtr returns only a handle for the Unicode one */
756 ok(!IS_WNDPROC_HANDLE(GetWindowLongPtrA(hwnd, GWLP_WNDPROC)), "Edit control shouldn't return an A wndproc handle\n");
757 ok(IS_WNDPROC_HANDLE(GetWindowLongPtrW(hwnd, GWLP_WNDPROC)), "Edit control should return a wndproc handle\n");
758 CallWindowProcA((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
759 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
760 CallWindowProcA((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
761 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
762 CallWindowProcW((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
763 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
765 CallWindowProcW((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
766 ok(memcmp(buf, classW, sizeof(classW)) == 0, "WM_GETTEXT invalid return\n");
768 SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc);
769 SetWindowTextW(hwnd, unistring);
770 CallWindowProcW((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
771 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
772 CallWindowProcA((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
773 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
774 CallWindowProcW((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
775 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
777 SetWindowTextW(hwnd, classW);
778 CallWindowProcA((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
779 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
785 static LRESULT WINAPI TestDlgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
787 return DefWindowProc(hWnd, uMsg, wParam, lParam);
790 static BOOL RegisterTestDialog(HINSTANCE hInstance)
795 ZeroMemory(&wcx, sizeof(WNDCLASSEX));
796 wcx.cbSize = sizeof(wcx);
797 wcx.lpfnWndProc = TestDlgProc;
799 wcx.cbWndExtra = DLGWINDOWEXTRA;
800 wcx.hInstance = hInstance;
801 wcx.hIcon = LoadIcon(NULL, IDI_APPLICATION);
802 wcx.hCursor = LoadCursor(NULL, IDC_ARROW);
803 wcx.hbrBackground = GetStockObject(WHITE_BRUSH);
804 wcx.lpszClassName = "TestDialog";
805 wcx.lpszMenuName = "TestDialog";
806 wcx.hIconSm = LoadImage(hInstance, MAKEINTRESOURCE(5), IMAGE_ICON,
807 GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON),
810 atom = RegisterClassEx(&wcx);
811 ok(atom != 0, "RegisterClassEx returned 0\n");
816 /* test registering a dialog box created by using the CLASS directive in a
817 resource file, then test creating the dialog using CreateDialogParam. */
818 static void CreateDialogParamTest(HINSTANCE hInstance)
822 if (RegisterTestDialog(hInstance))
824 hWndMain = CreateDialogParam(hInstance, "CLASS_TEST_DIALOG", NULL, 0, 0);
825 ok(hWndMain != NULL, "CreateDialogParam returned NULL\n");
826 ShowWindow(hWndMain, SW_SHOW);
827 DestroyWindow(hWndMain);
833 HANDLE hInstance = GetModuleHandleA( NULL );
835 if (!GetModuleHandleW(0))
837 trace("Class test is incompatible with Win9x implementation, skipping\n");
841 ClassTest(hInstance,FALSE);
842 ClassTest(hInstance,TRUE);
843 CreateDialogParamTest(hInstance);
847 /* this test unregisters the Button class so it should be executed at the end */