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