dlls/user/tests/listbox.c - wine - Git at Google

 /* Unit test suite for list boxes.
  *
  * Copyright 2003 Ferenc Wagner
  *
  * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */

 #include <assert.h>
 #include <stdarg.h>
 #include <stdio.h>

 #include "windef.h"
 #include "winbase.h"
 #include "wingdi.h"
 #include "winuser.h"
 #include "winnls.h"

 #include "wine/test.h"

 #ifdef VISIBLE
 #define WAIT Sleep (1000)
 #define REDRAW RedrawWindow (handle, NULL, 0, RDW_UPDATENOW)
 #else
 #define WAIT
 #define REDRAW
 #endif

 static const char * const strings[4] = {
   "First added",
   "Second added",
   "Third added",
   "Fourth added which is very long because at some time we only had a 256 byte character buffer and that was overflowing in one of those applications that had a common dialog file open box and tried to add a 300 characters long custom filter string which of course the code did not like and crashed. Just make sure this string is longer than 256 characters."
 };

 static HWND
 create_listbox (DWORD add_style, HWND parent)
 {
   HWND handle;
   int ctl_id=0;
   if (parent)
     ctl_id=1;
   handle=CreateWindow ("LISTBOX", "TestList",
                             (LBS_STANDARD & ~LBS_SORT) | add_style,
                             0, 0, 100, 100,
                             parent, (HMENU)ctl_id, NULL, 0);

   assert (handle);
   SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[0]);
   SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[1]);
   SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[2]);
   SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[3]);

 #ifdef VISIBLE
   ShowWindow (handle, SW_SHOW);
 #endif
   REDRAW;

   return handle;
 }

 struct listbox_prop {
   DWORD add_style;
 };

 struct listbox_stat {
   int selected, anchor, caret, selcount;
 };

 struct listbox_test {
   struct listbox_prop prop;
   struct listbox_stat  init,  init_todo;
   struct listbox_stat click, click_todo;
   struct listbox_stat  step,  step_todo;
   struct listbox_stat   sel,   sel_todo;
 };

 static void
 listbox_query (HWND handle, struct listbox_stat *results)
 {
   results->selected = SendMessage (handle, LB_GETCURSEL, 0, 0);
   results->anchor   = SendMessage (handle, LB_GETANCHORINDEX, 0, 0);
   results->caret    = SendMessage (handle, LB_GETCARETINDEX, 0, 0);
   results->selcount = SendMessage (handle, LB_GETSELCOUNT, 0, 0);
 }

 static void
 buttonpress (HWND handle, WORD x, WORD y)
 {
   LPARAM lp=x+(y<<16);

   WAIT;
   SendMessage (handle, WM_LBUTTONDOWN, (WPARAM) MK_LBUTTON, lp);
   SendMessage (handle, WM_LBUTTONUP  , (WPARAM) 0         , lp);
   REDRAW;
 }

 static void
 keypress (HWND handle, WPARAM keycode, BYTE scancode, BOOL extended)
 {
   LPARAM lp=1+(scancode<<16)+(extended?KEYEVENTF_EXTENDEDKEY:0);

   WAIT;
   SendMessage (handle, WM_KEYDOWN, keycode, lp);
   SendMessage (handle, WM_KEYUP  , keycode, lp | 0xc000000);
   REDRAW;
 }

 #define listbox_field_ok(t, s, f, got) \
   ok (t.s.f==got.f, "style %#x, step " #s ", field " #f \
       ": expected %d, got %d\n", (unsigned int)t.prop.add_style, \
       t.s.f, got.f)

 #define listbox_todo_field_ok(t, s, f, got) \
   if (t.s##_todo.f) todo_wine { listbox_field_ok(t, s, f, got); } \
   else listbox_field_ok(t, s, f, got)

 #define listbox_ok(t, s, got) \
   listbox_todo_field_ok(t, s, selected, got); \
   listbox_todo_field_ok(t, s, anchor, got); \
   listbox_todo_field_ok(t, s, caret, got); \
   listbox_todo_field_ok(t, s, selcount, got)

 static void
 check (const struct listbox_test test)
 {
   struct listbox_stat answer;
   HWND hLB=create_listbox (test.prop.add_style, 0);
   RECT second_item;
   int i;
   int res;

   listbox_query (hLB, &answer);
   listbox_ok (test, init, answer);

   SendMessage (hLB, LB_GETITEMRECT, (WPARAM) 1, (LPARAM) &second_item);
   buttonpress(hLB, (WORD)second_item.left, (WORD)second_item.top);

   listbox_query (hLB, &answer);
   listbox_ok (test, click, answer);

   keypress (hLB, VK_DOWN, 0x50, TRUE);

   listbox_query (hLB, &answer);
   listbox_ok (test, step, answer);

   DestroyWindow (hLB);
   hLB=create_listbox (test.prop.add_style, 0);

   SendMessage (hLB, LB_SELITEMRANGE, TRUE, MAKELPARAM(1, 2));
   listbox_query (hLB, &answer);
   listbox_ok (test, sel, answer);

   for (i=0;i<4;i++) {
 	DWORD size = SendMessage (hLB, LB_GETTEXTLEN, i, 0);
 	CHAR *txt;
 	WCHAR *txtw;

 	txt = HeapAlloc (GetProcessHeap(), 0, size+1);
 	SendMessageA(hLB, LB_GETTEXT, i, (LPARAM)txt);
         ok(!strcmp (txt, strings[i]), "returned string for item %d does not match %s vs %s\n", i, txt, strings[i]);

 	txtw = HeapAlloc (GetProcessHeap(), 0, 2*size+2);
 	SendMessageW(hLB, LB_GETTEXT, i, (LPARAM)txtw);
 	WideCharToMultiByte( CP_ACP, 0, txtw, -1, txt, size, NULL, NULL );
         ok(!strcmp (txt, strings[i]), "returned string for item %d does not match %s vs %s\n", i, txt, strings[i]);

 	HeapFree (GetProcessHeap(), 0, txtw);
 	HeapFree (GetProcessHeap(), 0, txt);
   }

   /* Confirm the count of items, and that an invalid delete does not remove anything */
   res = SendMessage (hLB, LB_GETCOUNT, 0, 0);
   ok((res==4), "Expected 4 items, got %d\n", res);
   res = SendMessage (hLB, LB_DELETESTRING, -1, 0);
   ok((res==LB_ERR), "Expected LB_ERR items, got %d\n", res);
   res = SendMessage (hLB, LB_DELETESTRING, 4, 0);
   ok((res==LB_ERR), "Expected LB_ERR items, got %d\n", res);
   res = SendMessage (hLB, LB_GETCOUNT, 0, 0);
   ok((res==4), "Expected 4 items, got %d\n", res);

   WAIT;
   DestroyWindow (hLB);
 }

 static void check_item_height(void)
 {
     HWND hLB;
     HDC hdc;
     HFONT font;
     TEXTMETRIC tm;
     INT itemHeight;

     hLB = create_listbox (0, 0);
     ok ((hdc = GetDCEx( hLB, 0, DCX_CACHE )) != 0, "Can't get hdc\n");
     ok ((font = GetCurrentObject(hdc, OBJ_FONT)) != 0, "Can't get the current font\n");
     ok (GetTextMetrics( hdc, &tm ), "Can't read font metrics\n");
     ReleaseDC( hLB, hdc);

     ok (SendMessage(hLB, WM_SETFONT, (WPARAM)font, 0) == 0, "Can't set font\n");

     itemHeight = SendMessage(hLB, LB_GETITEMHEIGHT, 0, 0);
     ok (itemHeight == tm.tmHeight, "Item height wrong, got %d, expecting %ld\n", itemHeight, tm.tmHeight);

     DestroyWindow (hLB);
 }

 static LRESULT WINAPI main_window_proc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
 {
     switch (msg)
     {
     case WM_DRAWITEM:
     {
         RECT rc_item, rc_client, rc_clip;
         DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)lparam;

         trace("%p WM_DRAWITEM %08x %08lx\n", hwnd, wparam, lparam);

         ok(wparam == dis->CtlID, "got wParam=%08x instead of %08x\n",
 			wparam, dis->CtlID);
         ok(dis->CtlType == ODT_LISTBOX, "wrong CtlType %04x\n", dis->CtlType);

         GetClientRect(dis->hwndItem, &rc_client);
         trace("hwndItem %p client rect (%ld,%ld-%ld,%ld)\n", dis->hwndItem,
                rc_client.left, rc_client.top, rc_client.right, rc_client.bottom);
         GetClipBox(dis->hDC, &rc_clip);
         trace("clip rect (%ld,%ld-%ld,%ld)\n", rc_clip.left, rc_clip.top, rc_clip.right, rc_clip.bottom);
         ok(EqualRect(&rc_client, &rc_clip), "client rect of the listbox should be equal to the clip box\n");

         trace("rcItem (%ld,%ld-%ld,%ld)\n", dis->rcItem.left, dis->rcItem.top,
                dis->rcItem.right, dis->rcItem.bottom);
         SendMessage(dis->hwndItem, LB_GETITEMRECT, dis->itemID, (LPARAM)&rc_item);
         trace("item rect (%ld,%ld-%ld,%ld)\n", rc_item.left, rc_item.top, rc_item.right, rc_item.bottom);
         ok(EqualRect(&dis->rcItem, &rc_item), "item rects are not equal\n");

         break;
     }

     default:
         break;
     }

     return DefWindowProc(hwnd, msg, wparam, lparam);
 }

 static void test_ownerdraw(void)
 {
     WNDCLASS cls;
     HWND parent, hLB;
     INT ret;
     RECT rc;

     cls.style = 0;
     cls.lpfnWndProc = main_window_proc;
     cls.cbClsExtra = 0;
     cls.cbWndExtra = 0;
     cls.hInstance = GetModuleHandle(0);
     cls.hIcon = 0;
     cls.hCursor = LoadCursor(0, (LPSTR)IDC_ARROW);
     cls.hbrBackground = GetStockObject(WHITE_BRUSH);
     cls.lpszMenuName = NULL;
     cls.lpszClassName = "main_window_class";
     assert(RegisterClass(&cls));

     parent = CreateWindowEx(0, "main_window_class", NULL,
                             WS_POPUP | WS_VISIBLE,
                             100, 100, 400, 400,
                             GetDesktopWindow(), 0,
                             GetModuleHandle(0), NULL);
     assert(parent);

     hLB = create_listbox(LBS_OWNERDRAWFIXED | WS_CHILD | WS_VISIBLE, parent);
     assert(hLB);

     UpdateWindow(hLB);

     /* make height short enough */
     SendMessage(hLB, LB_GETITEMRECT, 0, (LPARAM)&rc);
     SetWindowPos(hLB, 0, 0, 0, 100, rc.bottom - rc.top + 1,
                  SWP_NOZORDER | SWP_NOMOVE);

     /* make 0 item invisible */
     SendMessage(hLB, LB_SETTOPINDEX, 1, 0);
     ret = SendMessage(hLB, LB_GETTOPINDEX, 0, 0);
     ok(ret == 1, "wrong top index %d\n", ret);

     SendMessage(hLB, LB_GETITEMRECT, 0, (LPARAM)&rc);
     trace("item 0 rect (%ld,%ld-%ld,%ld)\n", rc.left, rc.top, rc.right, rc.bottom);
     ok(!IsRectEmpty(&rc), "empty item rect\n");
     ok(rc.top < 0, "rc.top is not negative (%ld)\n", rc.top);

     DestroyWindow(hLB);
     DestroyWindow(parent);
 }

 START_TEST(listbox)
 {
   const struct listbox_test SS =
 /*   {add_style} */
     {{0},
      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0},
      {     1,      1,      1, LB_ERR}, {0,0,0,0},
      {     2,      2,      2, LB_ERR}, {0,0,0,0},
      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0}};
 /* {selected, anchor,  caret, selcount}{TODO fields} */
   const struct listbox_test SS_NS =
     {{LBS_NOSEL},
      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0},
      {     1,      1,      1, LB_ERR}, {0,0,0,0},
      {     2,      2,      2, LB_ERR}, {0,0,0,0},
      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0}};
   const struct listbox_test MS =
     {{LBS_MULTIPLESEL},
      {     0, LB_ERR,      0,      0}, {0,0,0,0},
      {     1,      1,      1,      1}, {0,0,0,0},
      {     2,      1,      2,      1}, {0,0,0,0},
      {     0, LB_ERR,      0,      2}, {0,0,0,0}};
   const struct listbox_test MS_NS =
     {{LBS_MULTIPLESEL | LBS_NOSEL},
      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0},
      {     1,      1,      1, LB_ERR}, {0,0,0,0},
      {     2,      2,      2, LB_ERR}, {0,0,0,0},
      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0}};
   const struct listbox_test ES =
     {{LBS_EXTENDEDSEL},
      {     0, LB_ERR,      0,      0}, {0,0,0,0},
      {     1,      1,      1,      1}, {0,0,0,0},
      {     2,      2,      2,      1}, {0,0,0,0},
      {     0, LB_ERR,      0,      2}, {0,0,0,0}};
   const struct listbox_test ES_NS =
     {{LBS_EXTENDEDSEL | LBS_NOSEL},
      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0},
      {     1,      1,      1, LB_ERR}, {0,0,0,0},
      {     2,      2,      2, LB_ERR}, {0,0,0,0},
      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0}};
   const struct listbox_test EMS =
     {{LBS_EXTENDEDSEL | LBS_MULTIPLESEL},
      {     0, LB_ERR,      0,      0}, {0,0,0,0},
      {     1,      1,      1,      1}, {0,0,0,0},
      {     2,      2,      2,      1}, {0,0,0,0},
      {     0, LB_ERR,      0,      2}, {0,0,0,0}};
   const struct listbox_test EMS_NS =
     {{LBS_EXTENDEDSEL | LBS_MULTIPLESEL | LBS_NOSEL},
      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0},
      {     1,      1,      1, LB_ERR}, {0,0,0,0},
      {     2,      2,      2, LB_ERR}, {0,0,0,0},
      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0}};

   trace (" Testing single selection...\n");
   check (SS);
   trace (" ... with NOSEL\n");
   check (SS_NS);
   trace (" Testing multiple selection...\n");
   check (MS);
   trace (" ... with NOSEL\n");
   check (MS_NS);
   trace (" Testing extended selection...\n");
   check (ES);
   trace (" ... with NOSEL\n");
   check (ES_NS);
   trace (" Testing extended and multiple selection...\n");
   check (EMS);
   trace (" ... with NOSEL\n");
   check (EMS_NS);

   check_item_height();
   test_ownerdraw();
 }
	/* Unit test suite for list boxes.
	*
	* Copyright 2003 Ferenc Wagner
	*
	* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	#include <assert.h>
	#include <stdarg.h>
	#include <stdio.h>

	#include "windef.h"
	#include "winbase.h"
	#include "wingdi.h"
	#include "winuser.h"
	#include "winnls.h"

	#include "wine/test.h"

	#ifdef VISIBLE
	#define WAIT Sleep (1000)
	#define REDRAW RedrawWindow (handle, NULL, 0, RDW_UPDATENOW)
	#else
	#define WAIT
	#define REDRAW
	#endif

	static const char * const strings[4] = {
	"First added",
	"Second added",
	"Third added",
	"Fourth added which is very long because at some time we only had a 256 byte character buffer and that was overflowing in one of those applications that had a common dialog file open box and tried to add a 300 characters long custom filter string which of course the code did not like and crashed. Just make sure this string is longer than 256 characters."
	};

	static HWND
	create_listbox (DWORD add_style, HWND parent)
	{
	HWND handle;
	int ctl_id=0;
	if (parent)
	ctl_id=1;
	handle=CreateWindow ("LISTBOX", "TestList",
	(LBS_STANDARD & ~LBS_SORT) \| add_style,
	0, 0, 100, 100,
	parent, (HMENU)ctl_id, NULL, 0);

	assert (handle);
	SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[0]);
	SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[1]);
	SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[2]);
	SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[3]);

	#ifdef VISIBLE
	ShowWindow (handle, SW_SHOW);
	#endif
	REDRAW;

	return handle;
	}

	struct listbox_prop {
	DWORD add_style;
	};

	struct listbox_stat {
	int selected, anchor, caret, selcount;
	};

	struct listbox_test {
	struct listbox_prop prop;
	struct listbox_stat init, init_todo;
	struct listbox_stat click, click_todo;
	struct listbox_stat step, step_todo;
	struct listbox_stat sel, sel_todo;
	};

	static void
	listbox_query (HWND handle, struct listbox_stat *results)
	{
	results->selected = SendMessage (handle, LB_GETCURSEL, 0, 0);
	results->anchor = SendMessage (handle, LB_GETANCHORINDEX, 0, 0);
	results->caret = SendMessage (handle, LB_GETCARETINDEX, 0, 0);
	results->selcount = SendMessage (handle, LB_GETSELCOUNT, 0, 0);
	}

	static void
	buttonpress (HWND handle, WORD x, WORD y)
	{
	LPARAM lp=x+(y<<16);

	WAIT;
	SendMessage (handle, WM_LBUTTONDOWN, (WPARAM) MK_LBUTTON, lp);
	SendMessage (handle, WM_LBUTTONUP , (WPARAM) 0 , lp);
	REDRAW;
	}

	static void
	keypress (HWND handle, WPARAM keycode, BYTE scancode, BOOL extended)
	{
	LPARAM lp=1+(scancode<<16)+(extended?KEYEVENTF_EXTENDEDKEY:0);

	WAIT;
	SendMessage (handle, WM_KEYDOWN, keycode, lp);
	SendMessage (handle, WM_KEYUP , keycode, lp \| 0xc000000);
	REDRAW;
	}

	#define listbox_field_ok(t, s, f, got) \
	ok (t.s.f==got.f, "style %#x, step " #s ", field " #f \
	": expected %d, got %d\n", (unsigned int)t.prop.add_style, \
	t.s.f, got.f)

	#define listbox_todo_field_ok(t, s, f, got) \
	if (t.s##_todo.f) todo_wine { listbox_field_ok(t, s, f, got); } \
	else listbox_field_ok(t, s, f, got)

	#define listbox_ok(t, s, got) \
	listbox_todo_field_ok(t, s, selected, got); \
	listbox_todo_field_ok(t, s, anchor, got); \
	listbox_todo_field_ok(t, s, caret, got); \
	listbox_todo_field_ok(t, s, selcount, got)

	static void
	check (const struct listbox_test test)
	{
	struct listbox_stat answer;
	HWND hLB=create_listbox (test.prop.add_style, 0);
	RECT second_item;
	int i;
	int res;

	listbox_query (hLB, &answer);
	listbox_ok (test, init, answer);

	SendMessage (hLB, LB_GETITEMRECT, (WPARAM) 1, (LPARAM) &second_item);
	buttonpress(hLB, (WORD)second_item.left, (WORD)second_item.top);

	listbox_query (hLB, &answer);
	listbox_ok (test, click, answer);

	keypress (hLB, VK_DOWN, 0x50, TRUE);

	listbox_query (hLB, &answer);
	listbox_ok (test, step, answer);

	DestroyWindow (hLB);
	hLB=create_listbox (test.prop.add_style, 0);

	SendMessage (hLB, LB_SELITEMRANGE, TRUE, MAKELPARAM(1, 2));
	listbox_query (hLB, &answer);
	listbox_ok (test, sel, answer);

	for (i=0;i<4;i++) {
	DWORD size = SendMessage (hLB, LB_GETTEXTLEN, i, 0);
	CHAR *txt;
	WCHAR *txtw;

	txt = HeapAlloc (GetProcessHeap(), 0, size+1);
	SendMessageA(hLB, LB_GETTEXT, i, (LPARAM)txt);
	ok(!strcmp (txt, strings[i]), "returned string for item %d does not match %s vs %s\n", i, txt, strings[i]);

	txtw = HeapAlloc (GetProcessHeap(), 0, 2*size+2);
	SendMessageW(hLB, LB_GETTEXT, i, (LPARAM)txtw);
	WideCharToMultiByte( CP_ACP, 0, txtw, -1, txt, size, NULL, NULL );
	ok(!strcmp (txt, strings[i]), "returned string for item %d does not match %s vs %s\n", i, txt, strings[i]);

	HeapFree (GetProcessHeap(), 0, txtw);
	HeapFree (GetProcessHeap(), 0, txt);
	}

	/* Confirm the count of items, and that an invalid delete does not remove anything */
	res = SendMessage (hLB, LB_GETCOUNT, 0, 0);
	ok((res==4), "Expected 4 items, got %d\n", res);
	res = SendMessage (hLB, LB_DELETESTRING, -1, 0);
	ok((res==LB_ERR), "Expected LB_ERR items, got %d\n", res);
	res = SendMessage (hLB, LB_DELETESTRING, 4, 0);
	ok((res==LB_ERR), "Expected LB_ERR items, got %d\n", res);
	res = SendMessage (hLB, LB_GETCOUNT, 0, 0);
	ok((res==4), "Expected 4 items, got %d\n", res);

	WAIT;
	DestroyWindow (hLB);
	}

	static void check_item_height(void)
	{
	HWND hLB;
	HDC hdc;
	HFONT font;
	TEXTMETRIC tm;
	INT itemHeight;

	hLB = create_listbox (0, 0);
	ok ((hdc = GetDCEx( hLB, 0, DCX_CACHE )) != 0, "Can't get hdc\n");
	ok ((font = GetCurrentObject(hdc, OBJ_FONT)) != 0, "Can't get the current font\n");
	ok (GetTextMetrics( hdc, &tm ), "Can't read font metrics\n");
	ReleaseDC( hLB, hdc);

	ok (SendMessage(hLB, WM_SETFONT, (WPARAM)font, 0) == 0, "Can't set font\n");

	itemHeight = SendMessage(hLB, LB_GETITEMHEIGHT, 0, 0);
	ok (itemHeight == tm.tmHeight, "Item height wrong, got %d, expecting %ld\n", itemHeight, tm.tmHeight);

	DestroyWindow (hLB);
	}

	static LRESULT WINAPI main_window_proc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
	{
	switch (msg)
	{
	case WM_DRAWITEM:
	{
	RECT rc_item, rc_client, rc_clip;
	DRAWITEMSTRUCT dis = (DRAWITEMSTRUCT )lparam;

	trace("%p WM_DRAWITEM %08x %08lx\n", hwnd, wparam, lparam);

	ok(wparam == dis->CtlID, "got wParam=%08x instead of %08x\n",
	wparam, dis->CtlID);
	ok(dis->CtlType == ODT_LISTBOX, "wrong CtlType %04x\n", dis->CtlType);

	GetClientRect(dis->hwndItem, &rc_client);
	trace("hwndItem %p client rect (%ld,%ld-%ld,%ld)\n", dis->hwndItem,
	rc_client.left, rc_client.top, rc_client.right, rc_client.bottom);
	GetClipBox(dis->hDC, &rc_clip);
	trace("clip rect (%ld,%ld-%ld,%ld)\n", rc_clip.left, rc_clip.top, rc_clip.right, rc_clip.bottom);
	ok(EqualRect(&rc_client, &rc_clip), "client rect of the listbox should be equal to the clip box\n");

	trace("rcItem (%ld,%ld-%ld,%ld)\n", dis->rcItem.left, dis->rcItem.top,
	dis->rcItem.right, dis->rcItem.bottom);
	SendMessage(dis->hwndItem, LB_GETITEMRECT, dis->itemID, (LPARAM)&rc_item);
	trace("item rect (%ld,%ld-%ld,%ld)\n", rc_item.left, rc_item.top, rc_item.right, rc_item.bottom);
	ok(EqualRect(&dis->rcItem, &rc_item), "item rects are not equal\n");

	break;
	}

	default:
	break;
	}

	return DefWindowProc(hwnd, msg, wparam, lparam);
	}

	static void test_ownerdraw(void)
	{
	WNDCLASS cls;
	HWND parent, hLB;
	INT ret;
	RECT rc;

	cls.style = 0;
	cls.lpfnWndProc = main_window_proc;
	cls.cbClsExtra = 0;
	cls.cbWndExtra = 0;
	cls.hInstance = GetModuleHandle(0);
	cls.hIcon = 0;
	cls.hCursor = LoadCursor(0, (LPSTR)IDC_ARROW);
	cls.hbrBackground = GetStockObject(WHITE_BRUSH);
	cls.lpszMenuName = NULL;
	cls.lpszClassName = "main_window_class";
	assert(RegisterClass(&cls));

	parent = CreateWindowEx(0, "main_window_class", NULL,
	WS_POPUP \| WS_VISIBLE,
	100, 100, 400, 400,
	GetDesktopWindow(), 0,
	GetModuleHandle(0), NULL);
	assert(parent);

	hLB = create_listbox(LBS_OWNERDRAWFIXED \| WS_CHILD \| WS_VISIBLE, parent);
	assert(hLB);

	UpdateWindow(hLB);

	/* make height short enough */
	SendMessage(hLB, LB_GETITEMRECT, 0, (LPARAM)&rc);
	SetWindowPos(hLB, 0, 0, 0, 100, rc.bottom - rc.top + 1,
	SWP_NOZORDER \| SWP_NOMOVE);

	/* make 0 item invisible */
	SendMessage(hLB, LB_SETTOPINDEX, 1, 0);
	ret = SendMessage(hLB, LB_GETTOPINDEX, 0, 0);
	ok(ret == 1, "wrong top index %d\n", ret);

	SendMessage(hLB, LB_GETITEMRECT, 0, (LPARAM)&rc);
	trace("item 0 rect (%ld,%ld-%ld,%ld)\n", rc.left, rc.top, rc.right, rc.bottom);
	ok(!IsRectEmpty(&rc), "empty item rect\n");
	ok(rc.top < 0, "rc.top is not negative (%ld)\n", rc.top);

	DestroyWindow(hLB);
	DestroyWindow(parent);
	}

	START_TEST(listbox)
	{
	const struct listbox_test SS =
	/* {add_style} */
	{{0},
	{LB_ERR, LB_ERR, 0, LB_ERR}, {0,0,0,0},
	{ 1, 1, 1, LB_ERR}, {0,0,0,0},
	{ 2, 2, 2, LB_ERR}, {0,0,0,0},
	{LB_ERR, LB_ERR, 0, LB_ERR}, {0,0,0,0}};
	/* {selected, anchor, caret, selcount}{TODO fields} */
	const struct listbox_test SS_NS =
	{{LBS_NOSEL},
	{LB_ERR, LB_ERR, 0, LB_ERR}, {0,0,0,0},
	{ 1, 1, 1, LB_ERR}, {0,0,0,0},
	{ 2, 2, 2, LB_ERR}, {0,0,0,0},
	{LB_ERR, LB_ERR, 0, LB_ERR}, {0,0,0,0}};
	const struct listbox_test MS =
	{{LBS_MULTIPLESEL},
	{ 0, LB_ERR, 0, 0}, {0,0,0,0},
	{ 1, 1, 1, 1}, {0,0,0,0},
	{ 2, 1, 2, 1}, {0,0,0,0},
	{ 0, LB_ERR, 0, 2}, {0,0,0,0}};
	const struct listbox_test MS_NS =
	{{LBS_MULTIPLESEL \| LBS_NOSEL},
	{LB_ERR, LB_ERR, 0, LB_ERR}, {0,0,0,0},
	{ 1, 1, 1, LB_ERR}, {0,0,0,0},
	{ 2, 2, 2, LB_ERR}, {0,0,0,0},
	{LB_ERR, LB_ERR, 0, LB_ERR}, {0,0,0,0}};
	const struct listbox_test ES =
	{{LBS_EXTENDEDSEL},
	{ 0, LB_ERR, 0, 0}, {0,0,0,0},
	{ 1, 1, 1, 1}, {0,0,0,0},
	{ 2, 2, 2, 1}, {0,0,0,0},
	{ 0, LB_ERR, 0, 2}, {0,0,0,0}};
	const struct listbox_test ES_NS =
	{{LBS_EXTENDEDSEL \| LBS_NOSEL},
	{LB_ERR, LB_ERR, 0, LB_ERR}, {0,0,0,0},
	{ 1, 1, 1, LB_ERR}, {0,0,0,0},
	{ 2, 2, 2, LB_ERR}, {0,0,0,0},
	{LB_ERR, LB_ERR, 0, LB_ERR}, {0,0,0,0}};
	const struct listbox_test EMS =
	{{LBS_EXTENDEDSEL \| LBS_MULTIPLESEL},
	{ 0, LB_ERR, 0, 0}, {0,0,0,0},
	{ 1, 1, 1, 1}, {0,0,0,0},
	{ 2, 2, 2, 1}, {0,0,0,0},
	{ 0, LB_ERR, 0, 2}, {0,0,0,0}};
	const struct listbox_test EMS_NS =
	{{LBS_EXTENDEDSEL \| LBS_MULTIPLESEL \| LBS_NOSEL},
	{LB_ERR, LB_ERR, 0, LB_ERR}, {0,0,0,0},
	{ 1, 1, 1, LB_ERR}, {0,0,0,0},
	{ 2, 2, 2, LB_ERR}, {0,0,0,0},
	{LB_ERR, LB_ERR, 0, LB_ERR}, {0,0,0,0}};

	trace (" Testing single selection...\n");
	check (SS);
	trace (" ... with NOSEL\n");
	check (SS_NS);
	trace (" Testing multiple selection...\n");
	check (MS);
	trace (" ... with NOSEL\n");
	check (MS_NS);
	trace (" Testing extended selection...\n");
	check (ES);
	trace (" ... with NOSEL\n");
	check (ES_NS);
	trace (" Testing extended and multiple selection...\n");
	check (EMS);
	trace (" ... with NOSEL\n");
	check (EMS_NS);

	check_item_height();
	test_ownerdraw();
	}