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Add a test for accessing classes from another thread. 

Fix UnregisterClass behaviour with NULL hInstance.
This commit is contained in:
Dmitry Timoshkov 2004-05-28 19:27:17 +00:00 committed by Alexandre Julliard
parent b58687eb51
commit cdeeb84822
2 changed files with 63 additions and 3 deletions
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64
dlls/user/tests/class.c
View File

@ -49,7 +49,7 @@ static void ClassTest(HINSTANCE hInstance, BOOL global)
static const WCHAR winName[] = {'W','i','n','C','l','a','s','s','T','e','s','t',0};
ATOM test_atom;
HWND hTestWnd;
DWORD i;
LONG i;
WCHAR str[20];
ATOM classatom;
@ -254,9 +254,43 @@ static void check_instance( const char *name, HINSTANCE inst, HINSTANCE info_ins
ok( (HINSTANCE)GetWindowLongA( hwnd, GWL_HINSTANCE ) == inst,
"Wrong GWL instance %p/%p for window %s\n",
(HINSTANCE)GetWindowLongA( hwnd, GWL_HINSTANCE ), inst, name );
ok(!UnregisterClassA(name, inst), "UnregisterClassA should fail while exists a class window\n");
ok(GetLastError() == ERROR_CLASS_HAS_WINDOWS, "GetLastError() should be set to ERROR_CLASS_HAS_WINDOWS not %ld\n", GetLastError());
DestroyWindow(hwnd);
}
struct class_info
{
const char *name;
HINSTANCE inst, info_inst, gcl_inst;
};
static DWORD WINAPI thread_proc(void *param)
{
struct class_info *class_info = (struct class_info *)param;
check_instance(class_info->name, class_info->inst, class_info->info_inst, class_info->gcl_inst);
return 0;
}
static void check_thread_instance( const char *name, HINSTANCE inst, HINSTANCE info_inst, HINSTANCE gcl_inst )
{
HANDLE hThread;
DWORD tid;
struct class_info class_info;
class_info.name = name;
class_info.inst = inst;
class_info.info_inst = info_inst;
class_info.gcl_inst = gcl_inst;
hThread = CreateThread(NULL, 0, thread_proc, &class_info, 0, &tid);
ok(hThread != NULL, "CreateThread failed, error %ld\n", GetLastError());
ok(WaitForSingleObject(hThread, INFINITE) == WAIT_OBJECT_0, "WaitForSingleObject failed\n");
CloseHandle(hThread);
}
/* test various instance parameters */
static void test_instances(void)
{
@ -279,6 +313,7 @@ static void test_instances(void)
ok( RegisterClassA( &cls ), "Failed to register local class for main module\n" );
check_class( main_module, name, "main_module" );
check_instance( name, main_module, main_module, main_module );
check_thread_instance( name, main_module, main_module, main_module );
cls.lpszMenuName = "kernel32";
cls.hInstance = kernel32;
@ -286,6 +321,7 @@ static void test_instances(void)
check_class( kernel32, name, "kernel32" );
check_class( main_module, name, "main_module" );
check_instance( name, kernel32, kernel32, kernel32 );
check_thread_instance( name, kernel32, kernel32, kernel32 );
ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
/* setting global flag doesn't change status of class */
@ -298,6 +334,8 @@ static void test_instances(void)
check_class( main_module, name, "main_module" );
check_instance( name, kernel32, kernel32, kernel32 );
check_instance( name, main_module, main_module, main_module );
check_thread_instance( name, kernel32, kernel32, kernel32 );
check_thread_instance( name, main_module, main_module, main_module );
ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
/* changing the instance doesn't make it global */
@ -305,6 +343,7 @@ static void test_instances(void)
ok( RegisterClassA( &cls ), "Failed to register local class for kernel32\n" );
check_class( kernel32, name, "kernel32" );
check_instance( name, kernel32, kernel32, kernel32 );
check_thread_instance( name, kernel32, kernel32, kernel32 );
ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
@ -317,6 +356,9 @@ static void test_instances(void)
check_instance( name, kernel32, kernel32, kernel32 );
check_instance( name, user32, 0, user32 );
check_instance( name, 0, 0, kernel32 );
check_thread_instance( name, kernel32, kernel32, kernel32 );
check_thread_instance( name, user32, 0, user32 );
check_thread_instance( name, 0, 0, kernel32 );
ok( UnregisterClassA( name, kernel32 ), "Unregister failed for kernel32\n" );
SetClassLongA( hwnd, GCL_HMODULE, 0x12345678 );
@ -325,6 +367,8 @@ static void test_instances(void)
check_class( (HINSTANCE)0x12345678, name, "main_module" );
check_instance( name, kernel32, kernel32, kernel32 );
check_instance( name, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678 );
check_thread_instance( name, kernel32, kernel32, kernel32 );
check_thread_instance( name, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0x12345678 );
ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
/* creating a window with instance 0 uses the first class found */
@ -364,6 +408,7 @@ static void test_instances(void)
/* must be found with main module handle */
check_class( main_module, name, "null" );
check_instance( name, main_module, main_module, main_module );
check_thread_instance( name, main_module, main_module, main_module );
ok( !GetClassInfo( 0, name, &wc ), "Class found with null instance\n" );
ok( GetLastError() == ERROR_CLASS_DOES_NOT_EXIST, "Wrong error code %ld\n", GetLastError() );
ok( UnregisterClassA( name, 0 ), "Unregister failed for null instance\n" );
@ -403,11 +448,15 @@ static void test_instances(void)
check_class( (HINSTANCE)0x12345678, name, "main_module" );
check_instance( name, main_module, main_module, main_module );
check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, main_module );
check_thread_instance( name, main_module, main_module, main_module );
check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, main_module );
/* changing the instance for global class doesn't make much difference */
SetClassLongA( hwnd, GCL_HMODULE, 0xdeadbeef );
check_instance( name, main_module, main_module, (HINSTANCE)0xdeadbeef );
check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef );
check_thread_instance( name, main_module, main_module, (HINSTANCE)0xdeadbeef );
check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef );
DestroyWindow( hwnd );
ok( UnregisterClassA( name, (HINSTANCE)0x87654321 ), "Unregister failed for main module global\n" );
@ -418,6 +467,8 @@ static void test_instances(void)
ok( RegisterClassA( &cls ), "Failed to register global class for dummy instance\n" );
check_instance( name, main_module, main_module, (HINSTANCE)0x12345678 );
check_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0x12345678 );
check_thread_instance( name, main_module, main_module, (HINSTANCE)0x12345678 );
check_thread_instance( name, (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, (HINSTANCE)0x12345678 );
ok( UnregisterClassA( name, (HINSTANCE)0x87654321 ), "Unregister failed for main module global\n" );
/* check system classes */
@ -450,6 +501,9 @@ static void test_instances(void)
check_instance( "BUTTON", 0, 0, user32 );
check_instance( "BUTTON", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
check_instance( "BUTTON", user32, 0, user32 );
check_thread_instance( "BUTTON", 0, 0, user32 );
check_thread_instance( "BUTTON", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
check_thread_instance( "BUTTON", user32, 0, user32 );
/* we can unregister system classes */
ok( GetClassInfo( 0, "BUTTON", &wc ), "Button class not found with null instance\n" );
@ -462,15 +516,23 @@ static void test_instances(void)
/* we can change the instance of a system class */
check_instance( "EDIT", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
check_thread_instance( "EDIT", (HINSTANCE)0xdeadbeef, (HINSTANCE)0xdeadbeef, user32 );
hwnd = CreateWindowExA( 0, "EDIT", "test", 0, 0, 0, 0, 0, 0, 0, main_module, 0 );
SetClassLongA( hwnd, GCL_HMODULE, 0xdeadbeef );
check_instance( "EDIT", (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0xdeadbeef );
check_thread_instance( "EDIT", (HINSTANCE)0x12345678, (HINSTANCE)0x12345678, (HINSTANCE)0xdeadbeef );
}
START_TEST(class)
{
HANDLE hInstance = GetModuleHandleA( NULL );
if (!GetModuleHandleW(0))
{
trace("Class test is incompatible with Win9x implementation, skipping\n");
return;
}
ClassTest(hInstance,FALSE);
ClassTest(hInstance,TRUE);
test_styles();

2
windows/class.c
View File

@ -741,8 +741,6 @@ BOOL WINAPI UnregisterClassW( LPCWSTR className, HINSTANCE hInstance )
return FALSE;
}
if (!hInstance) hInstance = GetModuleHandleW( NULL );
SERVER_START_REQ( destroy_class )
{
req->atom = atom;