Sweden-Number/dlls/comctl32/tests/subclass.c

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/* Unit tests for subclassed windows.
*
* Copyright 2004 Kevin Koltzau
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define _WIN32_WINNT 0x0501 /* For SetWindowSubclass/etc */
#include <assert.h>
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "commctrl.h"
#include "wine/test.h"
static BOOL (WINAPI *pSetWindowSubclass)(HWND, SUBCLASSPROC, UINT_PTR, DWORD_PTR);
static BOOL (WINAPI *pRemoveWindowSubclass)(HWND, SUBCLASSPROC, UINT_PTR);
static LRESULT (WINAPI *pDefSubclassProc)(HWND, UINT, WPARAM, LPARAM);
#define SEND_NEST 0x01
#define DELETE_SELF 0x02
#define DELETE_PREV 0x04
struct message {
int procnum; /* WndProc id message is expected from */
WPARAM wParam; /* expected value of wParam */
};
static int sequence_cnt, sequence_size;
static struct message* sequence;
static const struct message Sub_BasicTest[] = {
{ 2, 1 },
{ 1, 1 },
{ 2, 2 },
{ 1, 2 },
{ 0 }
};
static const struct message Sub_DeletedTest[] = {
{ 2, 1 },
{ 1, 1 },
{ 0 }
};
static const struct message Sub_AfterDeletedTest[] = {
{ 1, 1 },
{ 0 }
};
static const struct message Sub_OldAfterNewTest[] = {
{ 3, 1 },
{ 2, 1 },
{ 1, 1 },
{ 3, 2 },
{ 2, 2 },
{ 1, 2 },
{ 0 }
};
static const struct message Sub_MixTest[] = {
{ 3, 1 },
{ 4, 1 },
{ 2, 1 },
{ 1, 1 },
{ 0 }
};
static const struct message Sub_MixAndNestTest[] = {
{ 3, 1 },
{ 4, 1 },
{ 3, 2 },
{ 4, 2 },
{ 2, 2 },
{ 1, 2 },
{ 2, 1 },
{ 1, 1 },
{ 0 }
};
static const struct message Sub_MixNestDelTest[] = {
{ 3, 1 },
{ 4, 1 },
{ 3, 2 },
{ 2, 2 },
{ 1, 2 },
{ 2, 1 },
{ 1, 1 },
{ 0 }
};
static const struct message Sub_MixDelPrevTest[] = {
{ 3, 1 },
{ 5, 1 },
{ 2, 1 },
{ 1, 1 },
{ 0 }
};
static void add_message(const struct message *msg)
{
if (!sequence)
{
sequence_size = 10;
sequence = HeapAlloc( GetProcessHeap(), 0, sequence_size * sizeof (struct message) );
}
if (sequence_cnt == sequence_size)
{
sequence_size *= 2;
sequence = HeapReAlloc( GetProcessHeap(), 0, sequence, sequence_size * sizeof (struct message) );
}
assert(sequence);
sequence[sequence_cnt].wParam = msg->wParam;
sequence[sequence_cnt].procnum = msg->procnum;
sequence_cnt++;
}
static void flush_sequence(void)
{
HeapFree(GetProcessHeap(), 0, sequence);
sequence = 0;
sequence_cnt = sequence_size = 0;
}
static void ok_sequence(const struct message *expected, const char *context)
{
static const struct message end_of_sequence = { 0, 0 };
const struct message *actual;
add_message(&end_of_sequence);
actual = sequence;
while(expected->procnum && actual->procnum)
{
ok(expected->procnum == actual->procnum,
"%s: the procnum %d was expected, but got procnum %d instead\n",
context, expected->procnum, actual->procnum);
ok(expected->wParam == actual->wParam,
"%s: in procnum %d expecting wParam 0x%lx got 0x%lx\n",
context, expected->procnum, expected->wParam, actual->wParam);
expected++;
actual++;
}
2004-08-26 02:31:20 +02:00
ok(!expected->procnum, "Received fewer messages than expected\n");
ok(!actual->procnum, "Received more messages than expected\n");
flush_sequence();
}
static LRESULT WINAPI WndProc1(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
struct message msg;
if(message == WM_USER) {
msg.wParam = wParam;
msg.procnum = 1;
add_message(&msg);
}
return DefWindowProc(hwnd, message, wParam, lParam);
}
static WNDPROC origProc3;
static LRESULT WINAPI WndProc3(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
struct message msg;
if(message == WM_USER) {
msg.wParam = wParam;
msg.procnum = 3;
add_message(&msg);
}
return CallWindowProc(origProc3, hwnd, message, wParam, lParam);
}
static LRESULT WINAPI WndProcSub(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam, UINT_PTR uldSubclass, DWORD_PTR dwRefData)
{
struct message msg;
if(message == WM_USER) {
msg.wParam = wParam;
msg.procnum = uldSubclass;
add_message(&msg);
if(lParam) {
if(dwRefData & DELETE_SELF) {
pRemoveWindowSubclass(hwnd, WndProcSub, uldSubclass);
pRemoveWindowSubclass(hwnd, WndProcSub, uldSubclass);
}
if(dwRefData & DELETE_PREV)
pRemoveWindowSubclass(hwnd, WndProcSub, uldSubclass-1);
if(dwRefData & SEND_NEST)
SendMessage(hwnd, WM_USER, wParam+1, 0);
}
}
return pDefSubclassProc(hwnd, message, wParam, lParam);
}
static void test_subclass(void)
{
HWND hwnd = CreateWindowExA(0, "TestSubclass", "Test subclass", WS_OVERLAPPEDWINDOW,
100, 100, 200, 200, 0, 0, 0, NULL);
assert(hwnd);
pSetWindowSubclass(hwnd, WndProcSub, 2, 0);
SendMessage(hwnd, WM_USER, 1, 0);
SendMessage(hwnd, WM_USER, 2, 0);
ok_sequence(Sub_BasicTest, "Basic");
pSetWindowSubclass(hwnd, WndProcSub, 2, DELETE_SELF);
SendMessage(hwnd, WM_USER, 1, 1);
ok_sequence(Sub_DeletedTest, "Deleted");
SendMessage(hwnd, WM_USER, 1, 0);
ok_sequence(Sub_AfterDeletedTest, "After Deleted");
pSetWindowSubclass(hwnd, WndProcSub, 2, 0);
origProc3 = (WNDPROC)SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)WndProc3);
SendMessage(hwnd, WM_USER, 1, 0);
SendMessage(hwnd, WM_USER, 2, 0);
ok_sequence(Sub_OldAfterNewTest, "Old after New");
pSetWindowSubclass(hwnd, WndProcSub, 4, 0);
SendMessage(hwnd, WM_USER, 1, 0);
ok_sequence(Sub_MixTest, "Mix");
/* Now the fun starts */
pSetWindowSubclass(hwnd, WndProcSub, 4, SEND_NEST);
SendMessage(hwnd, WM_USER, 1, 1);
ok_sequence(Sub_MixAndNestTest, "Mix and nest");
pSetWindowSubclass(hwnd, WndProcSub, 4, SEND_NEST | DELETE_SELF);
SendMessage(hwnd, WM_USER, 1, 1);
ok_sequence(Sub_MixNestDelTest, "Mix, nest, del");
pSetWindowSubclass(hwnd, WndProcSub, 4, 0);
pSetWindowSubclass(hwnd, WndProcSub, 5, DELETE_PREV);
SendMessage(hwnd, WM_USER, 1, 1);
ok_sequence(Sub_MixDelPrevTest, "Mix and del prev");
DestroyWindow(hwnd);
}
static BOOL RegisterWindowClasses(void)
{
WNDCLASSA cls;
cls.style = 0;
cls.lpfnWndProc = WndProc1;
cls.cbClsExtra = 0;
cls.cbWndExtra = 0;
cls.hInstance = GetModuleHandleA(0);
cls.hIcon = 0;
cls.hCursor = NULL;
cls.hbrBackground = NULL;
cls.lpszMenuName = NULL;
cls.lpszClassName = "TestSubclass";
if(!RegisterClassA(&cls)) return FALSE;
return TRUE;
}
START_TEST(subclass)
{
HMODULE hdll;
hdll = GetModuleHandleA("comctl32.dll");
assert(hdll);
/* Functions have to be loaded by ordinal. Only XP and W2K3 export
* them by name.
*/
pSetWindowSubclass = (void*)GetProcAddress(hdll, (LPSTR)410);
pRemoveWindowSubclass = (void*)GetProcAddress(hdll, (LPSTR)412);
pDefSubclassProc = (void*)GetProcAddress(hdll, (LPSTR)413);
if(!pSetWindowSubclass || !pRemoveWindowSubclass || !pDefSubclassProc)
{
win_skip("SetWindowSubclass and friends are not available\n");
return;
}
if(!RegisterWindowClasses()) assert(0);
test_subclass();
}