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 #define NUMCLASSWORDS 4
38 static LRESULT WINAPI ClassTest_WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
40 return DefWindowProcW (hWnd, msg, wParam, lParam);
43 /***********************************************************************
45 static void ClassTest(HINSTANCE hInstance, BOOL global)
48 static const WCHAR className[] = {'T','e','s','t','C','l','a','s','s',0};
49 static const WCHAR winName[] = {'W','i','n','C','l','a','s','s','T','e','s','t',0};
56 cls.style = CS_HREDRAW | CS_VREDRAW | (global?CS_GLOBALCLASS:0);
57 cls.lpfnWndProc = ClassTest_WndProc;
58 cls.cbClsExtra = NUMCLASSWORDS*sizeof(DWORD);
60 cls.hInstance = hInstance;
61 cls.hIcon = LoadIconW (0, (LPWSTR)IDI_APPLICATION);
62 cls.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
63 cls.hbrBackground = GetStockObject (WHITE_BRUSH);
65 cls.lpszClassName = className;
67 classatom=RegisterClassW(&cls);
68 if (!classatom && GetLastError()==ERROR_CALL_NOT_IMPLEMENTED)
70 ok(classatom, "failed to register class\n");
72 ok(!RegisterClassW (&cls),
73 "RegisterClass of the same class should fail for the second time\n");
76 hTestWnd = CreateWindowW (className, winName,
77 WS_OVERLAPPEDWINDOW + WS_HSCROLL + WS_VSCROLL,
78 CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, 0,
81 ok(hTestWnd!=0, "Failed to create window\n");
83 /* test initial values of valid classwords */
84 for(i=0; i<NUMCLASSWORDS; i++)
87 ok(!GetClassLongW(hTestWnd,i*sizeof (DWORD)),
88 "GetClassLongW initial value nonzero!\n");
90 "GetClassLongW failed!\n");
95 * GetClassLongW(hTestWnd, NUMCLASSWORDS*sizeof(DWORD))
96 * does not fail on Win 98, though MSDN says it should
99 GetClassLongW(hTestWnd, NUMCLASSWORDS*sizeof(DWORD));
101 "GetClassLongW() with invalid offset did not fail\n");
104 /* set values of valid class words */
105 for(i=0; i<NUMCLASSWORDS; i++)
108 ok(!SetClassLongW(hTestWnd,i*sizeof(DWORD),i+1),
109 "GetClassLongW(%d) initial value nonzero!\n",i);
111 "SetClassLongW(%d) failed!\n",i);
114 /* test values of valid classwords that we set */
115 for(i=0; i<NUMCLASSWORDS; i++)
118 ok( (i+1) == GetClassLongW(hTestWnd,i*sizeof (DWORD)),
119 "GetClassLongW value doesn't match what was set!\n");
121 "GetClassLongW failed!\n");
124 /* check GetClassName */
125 i = GetClassNameW(hTestWnd, str, sizeof(str));
126 ok(i == lstrlenW(className),
127 "GetClassName returned incorrect length\n");
128 ok(!lstrcmpW(className,str),
129 "GetClassName returned incorrect name for this window's class\n");
131 /* check GetClassInfo with our hInstance */
132 if((test_atom = GetClassInfoW(hInstance, str, &wc)))
134 ok(test_atom == classatom,
135 "class atom did not match\n");
136 ok(wc.cbClsExtra == cls.cbClsExtra,
137 "cbClsExtra did not match\n");
138 ok(wc.cbWndExtra == cls.cbWndExtra,
139 "cbWndExtra did not match\n");
140 ok(wc.hbrBackground == cls.hbrBackground,
141 "hbrBackground did not match\n");
142 ok(wc.hCursor== cls.hCursor,
143 "hCursor did not match\n");
144 ok(wc.hInstance== cls.hInstance,
145 "hInstance did not match\n");
148 ok(FALSE,"GetClassInfo (hinstance) failed!\n");
150 /* check GetClassInfo with zero hInstance */
153 if((test_atom = GetClassInfoW(0, str, &wc)))
155 ok(test_atom == classatom,
156 "class atom did not match %x != %x\n", test_atom, classatom);
157 ok(wc.cbClsExtra == cls.cbClsExtra,
158 "cbClsExtra did not match %x!=%x\n",wc.cbClsExtra,cls.cbClsExtra);
159 ok(wc.cbWndExtra == cls.cbWndExtra,
160 "cbWndExtra did not match %x!=%x\n",wc.cbWndExtra,cls.cbWndExtra);
161 ok(wc.hbrBackground == cls.hbrBackground,
162 "hbrBackground did not match %p!=%p\n",wc.hbrBackground,cls.hbrBackground);
163 ok(wc.hCursor== cls.hCursor,
164 "hCursor did not match %p!=%p\n",wc.hCursor,cls.hCursor);
166 "hInstance not zero for global class %p\n",wc.hInstance);
169 ok(FALSE,"GetClassInfo (0) failed for global class!\n");
173 ok(!GetClassInfoW(0, str, &wc),
174 "GetClassInfo (0) succeeded for local class!\n");
177 ok(!UnregisterClassW(className, hInstance),
178 "Unregister class succeeded with window existing\n");
180 ok(DestroyWindow(hTestWnd),
181 "DestroyWindow() failed!\n");
183 ok(UnregisterClassW(className, hInstance),
184 "UnregisterClass() failed\n");
189 static void check_style( const char *name, int must_exist, UINT style, UINT ignore )
193 if (GetClassInfo( 0, name, &wc ))
195 ok( !(~wc.style & style & ~ignore), "System class %s is missing bits %x (%08x/%08x)\n",
196 name, ~wc.style & style, wc.style, style );
197 ok( !(wc.style & ~style), "System class %s has extra bits %x (%08x/%08x)\n",
198 name, wc.style & ~style, wc.style, style );
201 ok( !must_exist, "System class %s does not exist\n", name );
204 /* test styles of system classes */
205 static void test_styles(void)
207 /* check style bits */
208 check_style( "Button", 1, CS_PARENTDC | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW, 0 );
209 check_style( "ComboBox", 1, CS_PARENTDC | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW, 0 );
210 check_style( "Edit", 1, CS_PARENTDC | CS_DBLCLKS, 0 );
211 check_style( "ListBox", 1, CS_PARENTDC | CS_DBLCLKS, CS_PARENTDC /*FIXME*/ );
212 check_style( "MDIClient", 1, 0, 0 );
213 check_style( "ScrollBar", 1, CS_PARENTDC | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW, 0 );
214 check_style( "Static", 1, CS_PARENTDC | CS_DBLCLKS, 0 );
215 check_style( "ComboLBox", 1, CS_SAVEBITS | CS_DBLCLKS, 0 );
216 check_style( "DDEMLEvent", 0, 0, 0 );
217 check_style( "Message", 0, 0, 0 );
218 check_style( "#32768", 1, CS_DROPSHADOW | CS_SAVEBITS | CS_DBLCLKS, CS_DROPSHADOW ); /* menu */
219 check_style( "#32769", 1, CS_DBLCLKS, 0 ); /* desktop */
220 check_style( "#32770", 1, CS_SAVEBITS | CS_DBLCLKS, 0 ); /* dialog */
221 todo_wine { check_style( "#32771", 1, CS_SAVEBITS | CS_HREDRAW | CS_VREDRAW, 0 ); } /* task switch */
222 check_style( "#32772", 1, 0, 0 ); /* icon title */
225 static void check_class(HINSTANCE inst, const char *name, const char *menu_name)
228 UINT atom = GetClassInfo(inst,name,&wc);
229 ok( atom, "Class %s %p not found\n", name, inst );
232 if (wc.lpszMenuName && menu_name)
233 ok( !strcmp( menu_name, wc.lpszMenuName ), "Wrong name %s/%s for class %s %p\n",
234 wc.lpszMenuName, menu_name, name, inst );
236 ok( !menu_name == !wc.lpszMenuName, "Wrong name %p/%p for class %s %p\n",
237 wc.lpszMenuName, menu_name, name, inst );
241 static void check_instance( const char *name, HINSTANCE inst, HINSTANCE info_inst, HINSTANCE gcl_inst )
246 ok( GetClassInfo( inst, name, &wc ), "Couldn't find class %s inst %p\n", name, inst );
247 ok( wc.hInstance == info_inst, "Wrong info instance %p/%p for class %s\n",
248 wc.hInstance, info_inst, name );
249 hwnd = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, inst, 0 );
250 ok( hwnd != NULL, "Couldn't create window for class %s inst %p\n", name, inst );
251 ok( (HINSTANCE)GetClassLongPtrA( hwnd, GCLP_HMODULE ) == gcl_inst,
252 "Wrong GCL instance %p/%p for class %s\n",
253 (HINSTANCE)GetClassLongPtrA( hwnd, GCLP_HMODULE ), gcl_inst, name );
254 ok( (HINSTANCE)GetWindowLongPtrA( hwnd, GWLP_HINSTANCE ) == inst,
255 "Wrong GWL instance %p/%p for window %s\n",
256 (HINSTANCE)GetWindowLongPtrA( hwnd, GWLP_HINSTANCE ), inst, name );
257 ok(!UnregisterClassA(name, inst), "UnregisterClassA should fail while exists a class window\n");
258 ok(GetLastError() == ERROR_CLASS_HAS_WINDOWS, "GetLastError() should be set to ERROR_CLASS_HAS_WINDOWS not %d\n", GetLastError());
265 HINSTANCE inst, info_inst, gcl_inst;
268 static DWORD WINAPI thread_proc(void *param)
270 struct class_info *class_info = (struct class_info *)param;
272 check_instance(class_info->name, class_info->inst, class_info->info_inst, class_info->gcl_inst);
277 static void check_thread_instance( const char *name, HINSTANCE inst, HINSTANCE info_inst, HINSTANCE gcl_inst )
281 struct class_info class_info;
283 class_info.name = name;
284 class_info.inst = inst;
285 class_info.info_inst = info_inst;
286 class_info.gcl_inst = gcl_inst;
288 hThread = CreateThread(NULL, 0, thread_proc, &class_info, 0, &tid);
289 ok(hThread != NULL, "CreateThread failed, error %d\n", GetLastError());
290 ok(WaitForSingleObject(hThread, INFINITE) == WAIT_OBJECT_0, "WaitForSingleObject failed\n");
291 CloseHandle(hThread);
294 /* test various instance parameters */
295 static void test_instances(void)
299 const char *name = "__test__";
300 HINSTANCE kernel32 = GetModuleHandleA("kernel32");
301 HINSTANCE user32 = GetModuleHandleA("user32");
302 HINSTANCE main_module = GetModuleHandleA(NULL);
306 memset( &cls, 0, sizeof(cls) );
307 cls.style = CS_HREDRAW | CS_VREDRAW;
308 cls.lpfnWndProc = ClassTest_WndProc;
311 cls.lpszClassName = name;
313 cls.lpszMenuName = "main_module";
314 cls.hInstance = main_module;
316 ok( RegisterClassA( &cls ), "Failed to register local class for main module\n" );
317 check_class( main_module, name, "main_module" );
318 check_instance( name, main_module, main_module, main_module );
319 check_thread_instance( name, main_module, main_module, main_module );
321 cls.lpszMenuName = "kernel32";
322 cls.hInstance = kernel32;
323 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
324 check_class( kernel32, name, "kernel32" );
325 check_class( main_module, name, "main_module" );
326 check_instance( name, kernel32, kernel32, kernel32 );
327 check_thread_instance( name, kernel32, kernel32, kernel32 );
328 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
330 /* Bug 2631 - Supplying an invalid number of bytes fails */
333 SetLastError(0xdeadbeef);
334 ok( ((RegisterClassA( &cls ) == 0) && (GetLastError() == ERROR_INVALID_PARAMETER)),
335 "Failed with invalid number of WndExtra bytes\n");
339 SetLastError(0xdeadbeef);
340 ok( ((RegisterClassA( &cls ) == 0) && (GetLastError() == ERROR_INVALID_PARAMETER)),
341 "Failed with invalid number of ClsExtra bytes\n");
345 SetLastError(0xdeadbeef);
346 ok( ((RegisterClassA( &cls ) == 0) && (GetLastError() == ERROR_INVALID_PARAMETER)),
347 "Failed with invalid number of ClsExtra and cbWndExtra bytes\n");
351 SetLastError(0xdeadbeef);
353 /* setting global flag doesn't change status of class */
354 hwnd = CreateWindowExA( 0, name, "test", 0, 0, 0, 0, 0, 0, 0, main_module, 0 );
355 SetClassLongA( hwnd, GCL_STYLE, CS_GLOBALCLASS );
356 cls.lpszMenuName = "kernel32";
357 cls.hInstance = kernel32;
358 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
359 check_class( kernel32, name, "kernel32" );
360 check_class( main_module, name, "main_module" );
361 check_instance( name, kernel32, kernel32, kernel32 );
362 check_instance( name, main_module, main_module, main_module );
363 check_thread_instance( name, kernel32, kernel32, kernel32 );
364 check_thread_instance( name, main_module, main_module, main_module );
365 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
367 /* changing the instance doesn't make it global */
368 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0 );
369 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
370 check_class( kernel32, name, "kernel32" );
371 check_instance( name, kernel32, kernel32, kernel32 );
372 check_thread_instance( name, kernel32, kernel32, kernel32 );
373 ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
374 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
376 /* GetClassInfo with instance 0 finds user32 instance */
377 SetClassLongPtrA( hwnd, GCLP_HMODULE, (LONG_PTR)user32 );
378 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
379 check_class( kernel32, name, "kernel32" );
380 check_class( user32, name, "main_module" );
381 check_class( 0, name, "main_module" );
382 check_instance( name, kernel32, kernel32, kernel32 );
383 check_instance( name, user32, 0, user32 );
384 check_instance( name, 0, 0, kernel32 );
385 check_thread_instance( name, kernel32, kernel32, kernel32 );
386 check_thread_instance( name, user32, 0, user32 );
387 check_thread_instance( name, 0, 0, kernel32 );
388 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
390 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0x12345678 );
391 ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
392 check_class( kernel32, name, "kernel32" );
393 check_class( (HINSTANCE)0x12345678, name, "main_module" );
394 check_instance( name, kernel32, kernel32, kernel32 );
395 check_instance( name, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678 );
396 check_thread_instance( name, kernel32, kernel32, kernel32 );
397 check_thread_instance( name, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678 );
398 ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
400 /* creating a window with instance 0 uses the first class found */
401 cls.hInstance = (HINSTANCE)0xdeadbeef;
402 cls.lpszMenuName = "deadbeef";
404 ok( RegisterClassA( &cls ), "Failed to register local class for deadbeef\n" );
405 hwnd2 = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, NULL, 0 );
406 ok( (HINSTANCE)GetClassLongPtrA( hwnd2, GCLP_HMODULE ) == (HINSTANCE)0xdeadbeef,
407 "Didn't get deadbeef class for null instance\n" );
408 DestroyWindow( hwnd2 );
409 ok( UnregisterClassA( name, (HINSTANCE)0xdeadbeef ), "Unregister failed for deadbeef\n" );
411 hwnd2 = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, NULL, 0 );
412 ok( (HINSTANCE)GetClassLongPtrA( hwnd2, GCLP_HMODULE ) == kernel32,
413 "Didn't get kernel32 class for null instance\n" );
414 DestroyWindow( hwnd2 );
416 r = GetClassName( hwnd, buffer, 4 );
417 ok( r == 3, "expected 3, got %d\n", r );
418 ok( !strcmp( buffer, "__t"), "name wrong: %s\n", buffer );
420 ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
422 hwnd2 = CreateWindowExA( 0, name, "test_window", 0, 0, 0, 0, 0, 0, 0, NULL, 0 );
423 ok( GetClassLongPtrA( hwnd2, GCLP_HMODULE ) == 0x12345678,
424 "Didn't get 12345678 class for null instance\n" );
425 DestroyWindow( hwnd2 );
427 SetClassLongPtrA( hwnd, GCLP_HMODULE, (LONG_PTR)main_module );
428 DestroyWindow( hwnd );
430 /* null handle means the same thing as main module */
431 cls.lpszMenuName = "null";
433 ok( !RegisterClassA( &cls ), "Succeeded registering local class for null instance\n" );
434 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
435 ok( UnregisterClassA( name, main_module ), "Unregister failed for main module\n" );
437 ok( RegisterClassA( &cls ), "Failed to register local class for null instance\n" );
438 /* must be found with main module handle */
439 check_class( main_module, name, "null" );
440 check_instance( name, main_module, main_module, main_module );
441 check_thread_instance( name, main_module, main_module, main_module );
442 ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
443 ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST, "Wrong error code %d\n", GetLastError() );
444 ok( UnregisterClassA( name, 0 ), "Unregister failed for null instance\n" );
446 /* registering for user32 always fails */
447 cls.lpszMenuName = "user32";
448 cls.hInstance = user32;
449 ok( !RegisterClassA( &cls ), "Succeeded registering local class for user32\n" );
450 ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error code %d\n", GetLastError() );
451 cls.style |= CS_GLOBALCLASS;
452 ok( !RegisterClassA( &cls ), "Succeeded registering global class for user32\n" );
453 ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error code %d\n", GetLastError() );
455 /* unregister is OK though */
456 cls.hInstance = main_module;
457 ok( RegisterClassA( &cls ), "Failed to register global class for main module\n" );
458 ok( UnregisterClassA( name, user32 ), "Unregister failed for user32\n" );
460 /* instance doesn't matter for global class */
461 cls.style |= CS_GLOBALCLASS;
462 cls.lpszMenuName = "main_module";
463 cls.hInstance = main_module;
464 ok( RegisterClassA( &cls ), "Failed to register global class for main module\n" );
465 cls.lpszMenuName = "kernel32";
466 cls.hInstance = kernel32;
467 ok( !RegisterClassA( &cls ), "Succeeded registering local class for kernel32\n" );
468 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
469 /* even if global flag is cleared */
470 hwnd = CreateWindowExA( 0, name, "test", 0, 0, 0, 0, 0, 0, 0, main_module, 0 );
471 SetClassLongA( hwnd, GCL_STYLE, 0 );
472 ok( !RegisterClassA( &cls ), "Succeeded registering local class for kernel32\n" );
473 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
475 check_class( main_module, name, "main_module" );
476 check_class( kernel32, name, "main_module" );
477 check_class( 0, name, "main_module" );
478 check_class( (HINSTANCE)0x12345678, name, "main_module" );
479 check_instance( name, main_module, main_module, main_module );
480 check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, main_module );
481 check_thread_instance( name, main_module, main_module, main_module );
482 check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, main_module );
484 /* changing the instance for global class doesn't make much difference */
485 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0xdeadbeef );
486 check_instance( name, main_module, main_module, (HINSTANCE)0xdeadbeef );
487 check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef );
488 check_thread_instance( name, main_module, main_module, (HINSTANCE)0xdeadbeef );
489 check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef );
491 DestroyWindow( hwnd );
492 ok( UnregisterClassA( name, (HINSTANCE)0x87654321 ), "Unregister failed for main module global\n" );
493 ok( !UnregisterClassA( name, (HINSTANCE)0x87654321 ), "Unregister succeeded the second time\n" );
494 ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST, "Wrong error code %d\n", GetLastError() );
496 cls.hInstance = (HINSTANCE)0x12345678;
497 ok( RegisterClassA( &cls ), "Failed to register global class for dummy instance\n" );
498 check_instance( name, main_module, main_module, (HINSTANCE)0x12345678 );
499 check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0x12345678 );
500 check_thread_instance( name, main_module, main_module, (HINSTANCE)0x12345678 );
501 check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0x12345678 );
502 ok( UnregisterClassA( name, (HINSTANCE)0x87654321 ), "Unregister failed for main module global\n" );
504 /* check system classes */
506 /* we cannot register a global class with the name of a system class */
507 cls.style |= CS_GLOBALCLASS;
508 cls.lpszMenuName = "button_main_module";
509 cls.lpszClassName = "BUTTON";
510 cls.hInstance = main_module;
511 ok( !RegisterClassA( &cls ), "Succeeded registering global button class for main module\n" );
512 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
513 cls.hInstance = kernel32;
514 ok( !RegisterClassA( &cls ), "Succeeded registering global button class for kernel32\n" );
515 ok( GetLastError() == ERROR_CLASS_ALREADY_EXISTS, "Wrong error code %d\n", GetLastError() );
517 /* local class is OK however */
518 cls.style &= ~CS_GLOBALCLASS;
519 cls.lpszMenuName = "button_main_module";
520 cls.hInstance = main_module;
521 ok( RegisterClassA( &cls ), "Failed to register local button class for main module\n" );
522 check_class( main_module, "BUTTON", "button_main_module" );
523 cls.lpszMenuName = "button_kernel32";
524 cls.hInstance = kernel32;
525 ok( RegisterClassA( &cls ), "Failed to register local button class for kernel32\n" );
526 check_class( kernel32, "BUTTON", "button_kernel32" );
527 check_class( main_module, "BUTTON", "button_main_module" );
528 ok( UnregisterClassA( "BUTTON", kernel32 ), "Unregister failed for kernel32 button\n" );
529 ok( UnregisterClassA( "BUTTON", main_module ), "Unregister failed for main module button\n" );
530 /* GetClassInfo sets instance to passed value for global classes */
531 check_instance( "BUTTON", 0, 0, user32 );
532 check_instance( "BUTTON", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
533 check_instance( "BUTTON", user32, 0, user32 );
534 check_thread_instance( "BUTTON", 0, 0, user32 );
535 check_thread_instance( "BUTTON", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
536 check_thread_instance( "BUTTON", user32, 0, user32 );
538 /* we can unregister system classes */
539 ok( GetClassInfo( 0, "BUTTON", &wc ), "Button class not found with null instance\n" );
540 ok( GetClassInfo( kernel32, "BUTTON", &wc ), "Button class not found with kernel32\n" );
541 ok( UnregisterClass( "BUTTON", (HINSTANCE)0x12345678 ), "Failed to unregister button\n" );
542 ok( !UnregisterClass( "BUTTON", (HINSTANCE)0x87654321 ), "Unregistered button a second time\n" );
543 ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST, "Wrong error code %d\n", GetLastError() );
544 ok( !GetClassInfo( 0, "BUTTON", &wc ), "Button still exists\n" );
545 ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST ||
546 GetLastError() == ERROR_INVALID_PARAMETER /* W2K3 */,
547 "Wrong error code %d\n", GetLastError() );
549 /* we can change the instance of a system class */
550 check_instance( "EDIT", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
551 check_thread_instance( "EDIT", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
552 hwnd = CreateWindowExA( 0, "EDIT", "test", 0, 0, 0, 0, 0, 0, 0, main_module, 0 );
553 SetClassLongPtrA( hwnd, GCLP_HMODULE, 0xdeadbeef );
554 check_instance( "EDIT", (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0xdeadbeef );
555 check_thread_instance( "EDIT", (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0xdeadbeef );
558 static LRESULT WINAPI TestDlgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
560 return DefWindowProc(hWnd, uMsg, wParam, lParam);
563 static BOOL RegisterTestDialog(HINSTANCE hInstance)
568 ZeroMemory(&wcx, sizeof(WNDCLASSEX));
569 wcx.cbSize = sizeof(wcx);
570 wcx.lpfnWndProc = TestDlgProc;
572 wcx.cbWndExtra = DLGWINDOWEXTRA;
573 wcx.hInstance = hInstance;
574 wcx.hIcon = LoadIcon(NULL, IDI_APPLICATION);
575 wcx.hCursor = LoadCursor(NULL, IDC_ARROW);
576 wcx.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
577 wcx.lpszClassName = "TestDialog";
578 wcx.lpszMenuName = "TestDialog";
579 wcx.hIconSm = (HICON)LoadImage(hInstance, MAKEINTRESOURCE(5),
581 GetSystemMetrics(SM_CXSMICON),
582 GetSystemMetrics(SM_CYSMICON),
585 atom = RegisterClassEx(&wcx);
586 ok(atom != 0, "RegisterClassEx returned 0\n");
591 /* test registering a dialog box created by using the CLASS directive in a
592 resource file, then test creating the dialog using CreateDialogParam. */
593 static void WINAPI CreateDialogParamTest(HINSTANCE hInstance)
597 if (RegisterTestDialog(hInstance))
599 hWndMain = CreateDialogParam(hInstance, "CLASS_TEST_DIALOG", NULL, 0, 0);
600 ok(hWndMain != NULL, "CreateDialogParam returned NULL\n");
601 ShowWindow(hWndMain, SW_SHOW);
602 DestroyWindow(hWndMain);
608 HANDLE hInstance = GetModuleHandleA( NULL );
610 if (!GetModuleHandleW(0))
612 trace("Class test is incompatible with Win9x implementation, skipping\n");
616 ClassTest(hInstance,FALSE);
617 ClassTest(hInstance,TRUE);
618 CreateDialogParamTest(hInstance);