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(HINSTANCE inst, const char *name, const char *menu_name)
240 UINT atom = GetClassInfo(inst,name,&wc);
241 ok( atom, "Class %s %p not found\n", name, inst );
244 if (wc.lpszMenuName && menu_name)
245 ok( !strcmp( menu_name, wc.lpszMenuName ), "Wrong name %s/%s for class %s %p\n",
246 wc.lpszMenuName, menu_name, name, inst );
248 ok( !menu_name == !wc.lpszMenuName, "Wrong name %p/%p for class %s %p\n",
249 wc.lpszMenuName, menu_name, name, inst );
253 static void check_instance( const char *name, HINSTANCE inst, HINSTANCE info_inst, HINSTANCE gcl_inst )
258 ok( GetClassInfo( inst, name, &wc ), "Couldn't find class %s inst %p\n", name, inst );
259 ok( wc.hInstance == info_inst, "Wrong info instance %p/%p for class %s\n",
260 wc.hInstance, info_inst, name );
261 hwnd = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, inst, 0 );
262 ok( hwnd != NULL, "Couldn't create window for class %s inst %p\n", name, inst );
263 ok( (HINSTANCE)GetClassLongPtrA( hwnd, GCLP_HMODULE ) == gcl_inst,
264 "Wrong GCL instance %p/%p for class %s\n",
265 (HINSTANCE)GetClassLongPtrA( hwnd, GCLP_HMODULE ), gcl_inst, name );
266 ok( (HINSTANCE)GetWindowLongPtrA( hwnd, GWLP_HINSTANCE ) == inst,
267 "Wrong GWL instance %p/%p for window %s\n",
268 (HINSTANCE)GetWindowLongPtrA( hwnd, GWLP_HINSTANCE ), inst, name );
269 ok(!UnregisterClassA(name, inst), "UnregisterClassA should fail while exists a class window\n");
270 ok(GetLastError() == ERROR_CLASS_HAS_WINDOWS, "GetLastError() should be set to ERROR_CLASS_HAS_WINDOWS not %d\n", GetLastError());
277 HINSTANCE inst, info_inst, gcl_inst;
280 static DWORD WINAPI thread_proc(void *param)
282 struct class_info *class_info = (struct class_info *)param;
284 check_instance(class_info->name, class_info->inst, class_info->info_inst, class_info->gcl_inst);
289 static void check_thread_instance( const char *name, HINSTANCE inst, HINSTANCE info_inst, HINSTANCE gcl_inst )
293 struct class_info class_info;
295 class_info.name = name;
296 class_info.inst = inst;
297 class_info.info_inst = info_inst;
298 class_info.gcl_inst = gcl_inst;
300 hThread = CreateThread(NULL, 0, thread_proc, &class_info, 0, &tid);
301 ok(hThread != NULL, "CreateThread failed, error %d\n", GetLastError());
302 ok(WaitForSingleObject(hThread, INFINITE) == WAIT_OBJECT_0, "WaitForSingleObject failed\n");
303 CloseHandle(hThread);
306 /* test various instance parameters */
307 static void test_instances(void)
311 const char *name = "__test__";
312 HINSTANCE kernel32 = GetModuleHandleA("kernel32");
313 HINSTANCE user32 = GetModuleHandleA("user32");
314 HINSTANCE main_module = GetModuleHandleA(NULL);
318 memset( &cls, 0, sizeof(cls) );
319 cls.style = CS_HREDRAW | CS_VREDRAW;
320 cls.lpfnWndProc = ClassTest_WndProc;
323 cls.lpszClassName = name;
325 cls.lpszMenuName = "main_module";
326 cls.hInstance = main_module;
328 ok( RegisterClassA( &cls ), "Failed to register local class for main module\n" );
329 check_class( main_module, name, "main_module" );
330 check_instance( name, main_module, main_module, main_module );
331 check_thread_instance( name, main_module, main_module, main_module );
333 cls.lpszMenuName = "kernel32";
334 cls.hInstance = kernel32;
335 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
336 check_class( kernel32, name, "kernel32" );
337 check_class( main_module, name, "main_module" );
338 check_instance( name, kernel32, kernel32, kernel32 );
339 check_thread_instance( name, kernel32, kernel32, kernel32 );
340 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
342 /* Bug 2631 - Supplying an invalid number of bytes fails */
345 SetLastError(0xdeadbeef);
346 ok( ((RegisterClassA( &cls ) == 0) && (GetLastError() == ERROR_INVALID_PARAMETER)),
347 "Failed with invalid number of WndExtra bytes\n");
351 SetLastError(0xdeadbeef);
352 ok( ((RegisterClassA( &cls ) == 0) && (GetLastError() == ERROR_INVALID_PARAMETER)),
353 "Failed with invalid number of ClsExtra bytes\n");
357 SetLastError(0xdeadbeef);
358 ok( ((RegisterClassA( &cls ) == 0) && (GetLastError() == ERROR_INVALID_PARAMETER)),
359 "Failed with invalid number of ClsExtra and cbWndExtra bytes\n");
363 SetLastError(0xdeadbeef);
365 /* setting global flag doesn't change status of class */
366 hwnd = CreateWindowExA( 0, name, "test", 0, 0, 0, 0, 0, 0, 0, main_module, 0 );
367 SetClassLongA( hwnd, GCL_STYLE, CS_GLOBALCLASS );
368 cls.lpszMenuName = "kernel32";
369 cls.hInstance = kernel32;
370 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
371 check_class( kernel32, name, "kernel32" );
372 check_class( main_module, name, "main_module" );
373 check_instance( name, kernel32, kernel32, kernel32 );
374 check_instance( name, main_module, main_module, main_module );
375 check_thread_instance( name, kernel32, kernel32, kernel32 );
376 check_thread_instance( name, main_module, main_module, main_module );
377 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
379 /* changing the instance doesn't make it global */
380 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0 );
381 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
382 check_class( kernel32, name, "kernel32" );
383 check_instance( name, kernel32, kernel32, kernel32 );
384 check_thread_instance( name, kernel32, kernel32, kernel32 );
385 ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
386 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
388 /* GetClassInfo with instance 0 finds user32 instance */
389 SetClassLongPtrA( hwnd, GCLP_HMODULE, (LONG_PTR)user32 );
390 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
391 check_class( kernel32, name, "kernel32" );
392 check_class( user32, name, "main_module" );
393 check_class( 0, name, "main_module" );
394 check_instance( name, kernel32, kernel32, kernel32 );
395 check_instance( name, user32, 0, user32 );
396 check_instance( name, 0, 0, kernel32 );
397 check_thread_instance( name, kernel32, kernel32, kernel32 );
398 check_thread_instance( name, user32, 0, user32 );
399 check_thread_instance( name, 0, 0, kernel32 );
400 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
402 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0x12345678 );
403 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
404 check_class( kernel32, name, "kernel32" );
405 check_class( (HINSTANCE)0x12345678, name, "main_module" );
406 check_instance( name, kernel32, kernel32, kernel32 );
407 check_instance( name, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678 );
408 check_thread_instance( name, kernel32, kernel32, kernel32 );
409 check_thread_instance( name, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678 );
410 ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
412 /* creating a window with instance 0 uses the first class found */
413 cls.hInstance = (HINSTANCE)0xdeadbeef;
414 cls.lpszMenuName = "deadbeef";
416 ok( RegisterClassA( &cls ), "Failed to register local class for deadbeef\n" );
417 hwnd2 = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, NULL, 0 );
418 ok( (HINSTANCE)GetClassLongPtrA( hwnd2, GCLP_HMODULE ) == (HINSTANCE)0xdeadbeef,
419 "Didn't get deadbeef class for null instance\n" );
420 DestroyWindow( hwnd2 );
421 ok( UnregisterClassA( name, (HINSTANCE)0xdeadbeef ), "Unregister failed for deadbeef\n" );
423 hwnd2 = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, NULL, 0 );
424 ok( (HINSTANCE)GetClassLongPtrA( hwnd2, GCLP_HMODULE ) == kernel32,
425 "Didn't get kernel32 class for null instance\n" );
426 DestroyWindow( hwnd2 );
428 r = GetClassName( hwnd, buffer, 4 );
429 ok( r == 3, "expected 3, got %d\n", r );
430 ok( !strcmp( buffer, "__t"), "name wrong: %s\n", buffer );
432 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
434 hwnd2 = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, NULL, 0 );
435 ok( GetClassLongPtrA( hwnd2, GCLP_HMODULE ) == 0x12345678,
436 "Didn't get 12345678 class for null instance\n" );
437 DestroyWindow( hwnd2 );
439 SetClassLongPtrA( hwnd, GCLP_HMODULE, (LONG_PTR)main_module );
440 DestroyWindow( hwnd );
442 /* null handle means the same thing as main module */
443 cls.lpszMenuName = "null";
445 ok( !RegisterClassA( &cls ), "Succeeded registering local class for null instance\n" );
446 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
447 ok( UnregisterClassA( name, main_module ), "Unregister failed for main module\n" );
449 ok( RegisterClassA( &cls ), "Failed to register local class for null instance\n" );
450 /* must be found with main module handle */
451 check_class( main_module, name, "null" );
452 check_instance( name, main_module, main_module, main_module );
453 check_thread_instance( name, main_module, main_module, main_module );
454 ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
455 ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST, "Wrong error code %d\n", GetLastError() );
456 ok( UnregisterClassA( name, 0 ), "Unregister failed for null instance\n" );
458 /* registering for user32 always fails */
459 cls.lpszMenuName = "user32";
460 cls.hInstance = user32;
461 ok( !RegisterClassA( &cls ), "Succeeded registering local class for user32\n" );
462 ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error code %d\n", GetLastError() );
463 cls.style |= CS_GLOBALCLASS;
464 ok( !RegisterClassA( &cls ), "Succeeded registering global class for user32\n" );
465 ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error code %d\n", GetLastError() );
467 /* unregister is OK though */
468 cls.hInstance = main_module;
469 ok( RegisterClassA( &cls ), "Failed to register global class for main module\n" );
470 ok( UnregisterClassA( name, user32 ), "Unregister failed for user32\n" );
472 /* instance doesn't matter for global class */
473 cls.style |= CS_GLOBALCLASS;
474 cls.lpszMenuName = "main_module";
475 cls.hInstance = main_module;
476 ok( RegisterClassA( &cls ), "Failed to register global class for main module\n" );
477 cls.lpszMenuName = "kernel32";
478 cls.hInstance = kernel32;
479 ok( !RegisterClassA( &cls ), "Succeeded registering local class for kernel32\n" );
480 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
481 /* even if global flag is cleared */
482 hwnd = CreateWindowExA( 0, name, "test", 0, 0, 0, 0, 0, 0, 0, main_module, 0 );
483 SetClassLongA( hwnd, GCL_STYLE, 0 );
484 ok( !RegisterClassA( &cls ), "Succeeded registering local class for kernel32\n" );
485 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
487 check_class( main_module, name, "main_module" );
488 check_class( kernel32, name, "main_module" );
489 check_class( 0, name, "main_module" );
490 check_class( (HINSTANCE)0x12345678, name, "main_module" );
491 check_instance( name, main_module, main_module, main_module );
492 check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, main_module );
493 check_thread_instance( name, main_module, main_module, main_module );
494 check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, main_module );
496 /* changing the instance for global class doesn't make much difference */
497 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0xdeadbeef );
498 check_instance( name, main_module, main_module, (HINSTANCE)0xdeadbeef );
499 check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef );
500 check_thread_instance( name, main_module, main_module, (HINSTANCE)0xdeadbeef );
501 check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef );
503 DestroyWindow( hwnd );
504 ok( UnregisterClassA( name, (HINSTANCE)0x87654321 ), "Unregister failed for main module global\n" );
505 ok( !UnregisterClassA( name, (HINSTANCE)0x87654321 ), "Unregister succeeded the second time\n" );
506 ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST, "Wrong error code %d\n", GetLastError() );
508 cls.hInstance = (HINSTANCE)0x12345678;
509 ok( RegisterClassA( &cls ), "Failed to register global class for dummy instance\n" );
510 check_instance( name, main_module, main_module, (HINSTANCE)0x12345678 );
511 check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0x12345678 );
512 check_thread_instance( name, main_module, main_module, (HINSTANCE)0x12345678 );
513 check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0x12345678 );
514 ok( UnregisterClassA( name, (HINSTANCE)0x87654321 ), "Unregister failed for main module global\n" );
516 /* check system classes */
518 /* we cannot register a global class with the name of a system class */
519 cls.style |= CS_GLOBALCLASS;
520 cls.lpszMenuName = "button_main_module";
521 cls.lpszClassName = "BUTTON";
522 cls.hInstance = main_module;
523 ok( !RegisterClassA( &cls ), "Succeeded registering global button class for main module\n" );
524 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
525 cls.hInstance = kernel32;
526 ok( !RegisterClassA( &cls ), "Succeeded registering global button class for kernel32\n" );
527 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
529 /* local class is OK however */
530 cls.style &= ~CS_GLOBALCLASS;
531 cls.lpszMenuName = "button_main_module";
532 cls.hInstance = main_module;
533 ok( RegisterClassA( &cls ), "Failed to register local button class for main module\n" );
534 check_class( main_module, "BUTTON", "button_main_module" );
535 cls.lpszMenuName = "button_kernel32";
536 cls.hInstance = kernel32;
537 ok( RegisterClassA( &cls ), "Failed to register local button class for kernel32\n" );
538 check_class( kernel32, "BUTTON", "button_kernel32" );
539 check_class( main_module, "BUTTON", "button_main_module" );
540 ok( UnregisterClassA( "BUTTON", kernel32 ), "Unregister failed for kernel32 button\n" );
541 ok( UnregisterClassA( "BUTTON", main_module ), "Unregister failed for main module button\n" );
542 /* GetClassInfo sets instance to passed value for global classes */
543 check_instance( "BUTTON", 0, 0, user32 );
544 check_instance( "BUTTON", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
545 check_instance( "BUTTON", user32, 0, user32 );
546 check_thread_instance( "BUTTON", 0, 0, user32 );
547 check_thread_instance( "BUTTON", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
548 check_thread_instance( "BUTTON", user32, 0, user32 );
550 /* we can unregister system classes */
551 ok( GetClassInfo( 0, "BUTTON", &wc ), "Button class not found with null instance\n" );
552 ok( GetClassInfo( kernel32, "BUTTON", &wc ), "Button class not found with kernel32\n" );
553 ok( UnregisterClass( "BUTTON", (HINSTANCE)0x12345678 ), "Failed to unregister button\n" );
554 ok( !UnregisterClass( "BUTTON", (HINSTANCE)0x87654321 ), "Unregistered button a second time\n" );
555 ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST, "Wrong error code %d\n", GetLastError() );
556 ok( !GetClassInfo( 0, "BUTTON", &wc ), "Button still exists\n" );
557 ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST ||
558 GetLastError() == ERROR_INVALID_PARAMETER || /* W2K3 */
559 GetLastError() == ERROR_SUCCESS /* Vista */,
560 "Wrong error code %d\n", GetLastError() );
562 /* we can change the instance of a system class */
563 check_instance( "EDIT", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
564 check_thread_instance( "EDIT", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
565 hwnd = CreateWindowExA( 0, "EDIT", "test", 0, 0, 0, 0, 0, 0, 0, main_module, 0 );
566 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0xdeadbeef );
567 check_instance( "EDIT", (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0xdeadbeef );
568 check_thread_instance( "EDIT", (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0xdeadbeef );
571 static void test_builtinproc(void)
573 /* Edit behaves differently */
574 static const CHAR NORMAL_CLASSES[][10] = {
581 "#32770", /* dialog */
583 static const int NUM_NORMAL_CLASSES = (sizeof(NORMAL_CLASSES)/sizeof(NORMAL_CLASSES[0]));
584 static const char classA[] = "deftest";
585 static const WCHAR classW[] = {'d','e','f','t','e','s','t',0};
586 WCHAR unistring[] = {0x142, 0x40e, 0x3b4, 0}; /* a string that would be destroyed by a W->A->W conversion */
587 WNDPROC pDefWindowProcA, pDefWindowProcW;
589 WNDCLASSEXA cls; /* the memory layout of WNDCLASSEXA and WNDCLASSEXW is the same */
595 pDefWindowProcA = (void *)GetProcAddress(GetModuleHandle("user32.dll"), "DefWindowProcA");
596 pDefWindowProcW = (void *)GetProcAddress(GetModuleHandle("user32.dll"), "DefWindowProcW");
598 for (i = 0; i < 4; i++)
600 ZeroMemory(&cls, sizeof(cls));
601 cls.cbSize = sizeof(cls);
602 cls.hInstance = GetModuleHandle(NULL);
603 cls.hbrBackground = GetStockObject (WHITE_BRUSH);
605 cls.lpfnWndProc = pDefWindowProcA;
607 cls.lpfnWndProc = pDefWindowProcW;
611 cls.lpszClassName = classA;
612 atom = RegisterClassExA(&cls);
616 cls.lpszClassName = (LPCSTR)classW;
617 atom = RegisterClassExW((WNDCLASSEXW *)&cls);
619 ok(atom != 0, "Couldn't register class, i=%d, %d\n", i, GetLastError());
621 hwnd = CreateWindowA(classA, NULL, 0, 0, 0, 100, 100, NULL, NULL, GetModuleHandle(NULL), NULL);
622 ok(hwnd != NULL, "Couldn't create window i=%d\n", i);
624 ok(GetWindowLongPtrA(hwnd, GWLP_WNDPROC) == (LONG_PTR)pDefWindowProcA, "Wrong ANSI wndproc: %p vs %p\n",
625 (void *)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), pDefWindowProcA);
626 ok(GetClassLongPtrA(hwnd, GCLP_WNDPROC) == (ULONG_PTR)pDefWindowProcA, "Wrong ANSI wndproc: %p vs %p\n",
627 (void *)GetClassLongPtrA(hwnd, GCLP_WNDPROC), pDefWindowProcA);
629 ok(GetWindowLongPtrW(hwnd, GWLP_WNDPROC) == (LONG_PTR)pDefWindowProcW, "Wrong Unicode wndproc: %p vs %p\n",
630 (void *)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), pDefWindowProcW);
631 ok(GetClassLongPtrW(hwnd, GCLP_WNDPROC) == (ULONG_PTR)pDefWindowProcW, "Wrong Unicode wndproc: %p vs %p\n",
632 (void *)GetClassLongPtrW(hwnd, GCLP_WNDPROC), pDefWindowProcW);
635 UnregisterClass((LPSTR)(DWORD_PTR)atom, GetModuleHandle(NULL));
638 /* built-in winproc - window A/W type automatically detected */
639 ZeroMemory(&cls, sizeof(cls));
640 cls.cbSize = sizeof(cls);
641 cls.hInstance = GetModuleHandle(NULL);
642 cls.hbrBackground = GetStockObject (WHITE_BRUSH);
643 cls.lpszClassName = classA;
644 cls.lpfnWndProc = pDefWindowProcW;
645 atom = RegisterClassExA(&cls);
647 hwnd = CreateWindowExW(0, classW, NULL, WS_OVERLAPPEDWINDOW,
648 CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, GetModuleHandleA(NULL), 0);
649 ok(IsWindowUnicode(hwnd), "Windows should be Unicode\n");
650 SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONG_PTR)pDefWindowProcA);
651 ok(IsWindowUnicode(hwnd), "Windows should have remained Unicode\n");
652 ok(GetWindowLongPtrW(hwnd, GWLP_WNDPROC) == (LONG_PTR)pDefWindowProcW, "Invalid ANSI winproc\n");
653 ok(GetWindowLongPtrA(hwnd, GWLP_WNDPROC) == (LONG_PTR)pDefWindowProcA, "Invalid Unicode winproc\n");
654 SetWindowLongPtrA(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc);
655 ok(IsWindowUnicode(hwnd) == FALSE, "SetWindowLongPtrA should have switched window to ANSI\n");
658 UnregisterClass((LPSTR)(DWORD_PTR)atom, GetModuleHandle(NULL));
660 /* custom winproc - the same function can be used as both A and W*/
661 ZeroMemory(&cls, sizeof(cls));
662 cls.cbSize = sizeof(cls);
663 cls.hInstance = GetModuleHandle(NULL);
664 cls.hbrBackground = GetStockObject (WHITE_BRUSH);
665 cls.lpszClassName = classA;
666 cls.lpfnWndProc = ClassTest_WndProc2;
667 atom = RegisterClassExA(&cls);
669 hwnd = CreateWindowExW(0, classW, NULL, WS_OVERLAPPEDWINDOW,
670 CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, GetModuleHandleA(NULL), 0);
671 ok(IsWindowUnicode(hwnd) == FALSE, "Window should be ANSI\n");
672 SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc);
673 ok(IsWindowUnicode(hwnd), "SetWindowLongPtrW should have changed window to Unicode\n");
674 SetWindowLongPtrA(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc);
675 ok(IsWindowUnicode(hwnd) == FALSE, "SetWindowLongPtrA should have changed window to ANSI\n");
678 UnregisterClass((LPSTR)(DWORD_PTR)atom, GetModuleHandle(NULL));
680 /* For most of the builtin controls both GetWindowLongPtrA and W returns a pointer that is executed directly
681 * by CallWindowProcA/W */
682 for (i = 0; i < NUM_NORMAL_CLASSES; i++)
684 WNDPROC procA, procW;
685 hwnd = CreateWindowExA(0, NORMAL_CLASSES[i], classA, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 680, 260,
686 NULL, NULL, NULL, 0);
687 ok(hwnd != NULL, "Couldn't create window of class %s\n", NORMAL_CLASSES[i]);
688 SetWindowText(hwnd, classA); /* ComboBox needs this */
689 procA = (WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC);
690 procW = (WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC);
691 ok(!IS_WNDPROC_HANDLE(procA), "procA should not be a handle for %s (%p)\n", NORMAL_CLASSES[i], procA);
692 ok(!IS_WNDPROC_HANDLE(procW), "procW should not be a handle for %s (%p)\n", NORMAL_CLASSES[i], procW);
693 CallWindowProcA(procA, hwnd, WM_GETTEXT, 120, (LPARAM)buf);
694 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT A/A invalid return for class %s\n", NORMAL_CLASSES[i]);
695 CallWindowProcA(procW, hwnd, WM_GETTEXT, 120, (LPARAM)buf);
696 ok(memcmp(buf, classW, sizeof(classW)) == 0, "WM_GETTEXT A/W invalid return for class %s\n", NORMAL_CLASSES[i]);
697 CallWindowProcW(procA, hwnd, WM_GETTEXT, 120, (LPARAM)buf);
698 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT W/A invalid return for class %s\n", NORMAL_CLASSES[i]);
699 CallWindowProcW(procW, hwnd, WM_GETTEXT, 120, (LPARAM)buf);
700 ok(memcmp(buf, classW, sizeof(classW)) == 0, "WM_GETTEXT W/W invalid return for class %s\n", NORMAL_CLASSES[i]);
702 oldproc = (WNDPROC)SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc);
703 ok(IS_WNDPROC_HANDLE(oldproc) == FALSE, "Class %s shouldn't return a handle\n", NORMAL_CLASSES[i]);
707 /* Edit controls are special - they return a wndproc handle when GetWindowLongPtr is called with a different A/W.
708 * On the other hand there is no W->A->W conversion so this control is treated specially. */
709 hwnd = CreateWindowW(WC_EDITW, unistring, WS_OVERLAPPEDWINDOW,
710 CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, NULL, 0);
711 /* GetClassLongPtr returns that both the Unicode and ANSI wndproc */
712 ok(IS_WNDPROC_HANDLE(GetClassLongPtrA(hwnd, GCLP_WNDPROC)) == FALSE, "Edit control class should have a Unicode wndproc\n");
713 ok(IS_WNDPROC_HANDLE(GetClassLongPtrW(hwnd, GCLP_WNDPROC)) == FALSE, "Edit control class should have a ANSI wndproc\n");
714 /* But GetWindowLongPtr returns only a handle for the ANSI one */
715 ok(IS_WNDPROC_HANDLE(GetWindowLongPtrA(hwnd, GWLP_WNDPROC)), "Edit control should return a wndproc handle\n");
716 ok(!IS_WNDPROC_HANDLE(GetWindowLongPtrW(hwnd, GWLP_WNDPROC)), "Edit control shouldn't return a W wndproc handle\n");
717 CallWindowProcW((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
718 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
719 CallWindowProcA((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
720 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
721 CallWindowProcW((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
722 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
724 SetWindowTextW(hwnd, classW);
725 CallWindowProcA((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
726 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
728 oldproc = (WNDPROC)SetWindowLongPtrA(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc2);
729 /* SetWindowLongPtr returns a wndproc handle - like GetWindowLongPtr */
730 ok(IS_WNDPROC_HANDLE(oldproc), "Edit control should return a wndproc handle\n");
731 ok(IsWindowUnicode(hwnd) == FALSE, "SetWindowLongPtrA should have changed window to ANSI\n");
732 SetWindowTextA(hwnd, classA); /* Windows resets the title to WideStringToMultiByte(unistring) */
733 memset(buf, 0, sizeof(buf));
734 CallWindowProcA((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
735 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
736 CallWindowProcA((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
737 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
738 CallWindowProcW((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
739 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
741 CallWindowProcW((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
742 ok(memcmp(buf, classW, sizeof(classW)) == 0, "WM_GETTEXT invalid return\n");
746 hwnd = CreateWindowA(WC_EDITA, classA, WS_OVERLAPPEDWINDOW,
747 CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, NULL, 0);
749 /* GetClassLongPtr returns that both the Unicode and ANSI wndproc */
750 ok(!IS_WNDPROC_HANDLE(GetClassLongPtrA(hwnd, GCLP_WNDPROC)), "Edit control class should have a Unicode wndproc\n");
751 ok(!IS_WNDPROC_HANDLE(GetClassLongPtrW(hwnd, GCLP_WNDPROC)), "Edit control class should have a ANSI wndproc\n");
752 /* But GetWindowLongPtr returns only a handle for the Unicode one */
753 ok(!IS_WNDPROC_HANDLE(GetWindowLongPtrA(hwnd, GWLP_WNDPROC)), "Edit control shouldn't return an A wndproc handle\n");
754 ok(IS_WNDPROC_HANDLE(GetWindowLongPtrW(hwnd, GWLP_WNDPROC)), "Edit control should return a wndproc handle\n");
755 CallWindowProcA((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
756 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
757 CallWindowProcA((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
758 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
759 CallWindowProcW((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
760 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
762 CallWindowProcW((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
763 ok(memcmp(buf, classW, sizeof(classW)) == 0, "WM_GETTEXT invalid return\n");
765 SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONG_PTR)ClassTest_WndProc);
766 SetWindowTextW(hwnd, unistring);
767 CallWindowProcW((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
768 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
769 CallWindowProcA((WNDPROC)GetWindowLongPtrW(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
770 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
771 CallWindowProcW((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
772 ok(memcmp(buf, unistring, sizeof(unistring)) == 0, "WM_GETTEXT invalid return\n");
774 SetWindowTextW(hwnd, classW);
775 CallWindowProcA((WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC), hwnd, WM_GETTEXT, 120, (LPARAM)buf);
776 ok(memcmp(buf, classA, sizeof(classA)) == 0, "WM_GETTEXT invalid return\n");
782 static LRESULT WINAPI TestDlgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
784 return DefWindowProc(hWnd, uMsg, wParam, lParam);
787 static BOOL RegisterTestDialog(HINSTANCE hInstance)
792 ZeroMemory(&wcx, sizeof(WNDCLASSEX));
793 wcx.cbSize = sizeof(wcx);
794 wcx.lpfnWndProc = TestDlgProc;
796 wcx.cbWndExtra = DLGWINDOWEXTRA;
797 wcx.hInstance = hInstance;
798 wcx.hIcon = LoadIcon(NULL, IDI_APPLICATION);
799 wcx.hCursor = LoadCursor(NULL, IDC_ARROW);
800 wcx.hbrBackground = GetStockObject(WHITE_BRUSH);
801 wcx.lpszClassName = "TestDialog";
802 wcx.lpszMenuName = "TestDialog";
803 wcx.hIconSm = (HICON)LoadImage(hInstance, MAKEINTRESOURCE(5),
805 GetSystemMetrics(SM_CXSMICON),
806 GetSystemMetrics(SM_CYSMICON),
809 atom = RegisterClassEx(&wcx);
810 ok(atom != 0, "RegisterClassEx returned 0\n");
815 /* test registering a dialog box created by using the CLASS directive in a
816 resource file, then test creating the dialog using CreateDialogParam. */
817 static void CreateDialogParamTest(HINSTANCE hInstance)
821 if (RegisterTestDialog(hInstance))
823 hWndMain = CreateDialogParam(hInstance, "CLASS_TEST_DIALOG", NULL, 0, 0);
824 ok(hWndMain != NULL, "CreateDialogParam returned NULL\n");
825 ShowWindow(hWndMain, SW_SHOW);
826 DestroyWindow(hWndMain);
832 HANDLE hInstance = GetModuleHandleA( NULL );
834 if (!GetModuleHandleW(0))
836 trace("Class test is incompatible with Win9x implementation, skipping\n");
840 ClassTest(hInstance,FALSE);
841 ClassTest(hInstance,TRUE);
842 CreateDialogParamTest(hInstance);
846 /* this test unregisters the Button class so it should be executed at the end */