dlls/user/tests/listbox.c

   1 /* Unit test suite for list boxes.
   2  *
   3  * Copyright 2003 Ferenc Wagner
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include <assert.h>
  21 #include <windows.h>
  22
  23 #include "wine/test.h"
  24
  25 #ifdef VISIBLE
  26 #define WAIT Sleep (1000)
  27 #define REDRAW RedrawWindow (handle, NULL, 0, RDW_UPDATENOW)
  28 #else
  29 #define WAIT
  30 #define REDRAW
  31 #endif
  32
  33 static const char *strings[4] = {
  34   "First added",
  35   "Second added",
  36   "Third added",
  37   "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."
  38 };
  39
  40 HWND
  41 create_listbox (DWORD add_style)
  42 {
  43   HWND handle=CreateWindow ("LISTBOX", "TestList",
  44                             (LBS_STANDARD & ~LBS_SORT) | add_style,
  45                             0, 0, 100, 100,
  46                             NULL, NULL, NULL, 0);
  47
  48   assert (handle);
  49   SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[0]);
  50   SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[1]);
  51   SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[2]);
  52   SendMessage (handle, LB_ADDSTRING, 0, (LPARAM) (LPCTSTR) strings[3]);
  53
  54 #ifdef VISIBLE
  55   ShowWindow (handle, SW_SHOW);
  56 #endif
  57   REDRAW;
  58
  59   return handle;
  60 }
  61
  62 struct listbox_prop {
  63   DWORD add_style;
  64 };
  65
  66 struct listbox_stat {
  67   int selected, anchor, caret, selcount;
  68 };
  69
  70 struct listbox_test {
  71   struct listbox_prop prop;
  72   struct listbox_stat  init,  init_todo;
  73   struct listbox_stat click, click_todo;
  74   struct listbox_stat  step,  step_todo;
  75   struct listbox_stat   sel,   sel_todo;
  76 };
  77
  78 void
  79 listbox_query (HWND handle, struct listbox_stat *results)
  80 {
  81   results->selected = SendMessage (handle, LB_GETCURSEL, 0, 0);
  82   results->anchor   = SendMessage (handle, LB_GETANCHORINDEX, 0, 0);
  83   results->caret    = SendMessage (handle, LB_GETCARETINDEX, 0, 0);
  84   results->selcount = SendMessage (handle, LB_GETSELCOUNT, 0, 0);
  85 }
  86
  87 void
  88 buttonpress (HWND handle, WORD x, WORD y)
  89 {
  90   LPARAM lp=x+(y<<16);
  91
  92   WAIT;
  93   SendMessage (handle, WM_LBUTTONDOWN, (WPARAM) MK_LBUTTON, lp);
  94   SendMessage (handle, WM_LBUTTONUP  , (WPARAM) 0         , lp);
  95   REDRAW;
  96 }
  97
  98 void
  99 keypress (HWND handle, WPARAM keycode, BYTE scancode, BOOL extended)
 100 {
 101   LPARAM lp=1+(scancode<<16)+(extended?KEYEVENTF_EXTENDEDKEY:0);
 102
 103   WAIT;
 104   SendMessage (handle, WM_KEYDOWN, keycode, lp);
 105   SendMessage (handle, WM_KEYUP  , keycode, lp | 0xc000000);
 106   REDRAW;
 107 }
 108
 109 #define listbox_field_ok(t, s, f, got) \
 110   ok (t.s.f==got.f, "style %#x, step " #s ", field " #f \
 111       ": expected %d, got %d\n", (unsigned int)t.prop.add_style, \
 112       t.s.f, got.f)
 113
 114 #define listbox_todo_field_ok(t, s, f, got) \
 115   if (t.s##_todo.f) todo_wine { listbox_field_ok(t, s, f, got); } \
 116   else listbox_field_ok(t, s, f, got)
 117
 118 #define listbox_ok(t, s, got) \
 119   listbox_todo_field_ok(t, s, selected, got); \
 120   listbox_todo_field_ok(t, s, anchor, got); \
 121   listbox_todo_field_ok(t, s, caret, got); \
 122   listbox_todo_field_ok(t, s, selcount, got)
 123
 124 void
 125 check (const struct listbox_test test)
 126 {
 127   struct listbox_stat answer;
 128   HWND hLB=create_listbox (test.prop.add_style);
 129   RECT second_item;
 130   int i;
 131
 132   listbox_query (hLB, &answer);
 133   listbox_ok (test, init, answer);
 134
 135   SendMessage (hLB, LB_GETITEMRECT, (WPARAM) 1, (LPARAM) &second_item);
 136   buttonpress(hLB, (WORD)second_item.left, (WORD)second_item.top);
 137
 138   listbox_query (hLB, &answer);
 139   listbox_ok (test, click, answer);
 140
 141   keypress (hLB, VK_DOWN, 0x50, TRUE);
 142
 143   listbox_query (hLB, &answer);
 144   listbox_ok (test, step, answer);
 145
 146   DestroyWindow (hLB);
 147   hLB=create_listbox (test.prop.add_style);
 148
 149   SendMessage (hLB, LB_SELITEMRANGE, TRUE, MAKELPARAM(1, 2));
 150   listbox_query (hLB, &answer);
 151   listbox_ok (test, sel, answer);
 152
 153   for (i=0;i<4;i++) {
 154         DWORD size = SendMessage (hLB, LB_GETTEXTLEN, i, 0);
 155         CHAR *txt;
 156         WCHAR *txtw;
 157
 158         txt = HeapAlloc (GetProcessHeap(), 0, size+1);
 159         SendMessageA(hLB, LB_GETTEXT, i, (LPARAM)txt);
 160         ok(!strcmp (txt, strings[i]), "returned string for item %d does not match %s vs %s\n", i, txt, strings[i]);
 161
 162         txtw = HeapAlloc (GetProcessHeap(), 0, 2*size+2);
 163         SendMessageW(hLB, LB_GETTEXT, i, (LPARAM)txtw);
 164         WideCharToMultiByte( CP_ACP, 0, txtw, -1, txt, size, NULL, NULL );
 165         ok(!strcmp (txt, strings[i]), "returned string for item %d does not match %s vs %s\n", i, txt, strings[i]);
 166
 167         HeapFree (GetProcessHeap(), 0, txtw);
 168         HeapFree (GetProcessHeap(), 0, txt);
 169   }
 170
 171   WAIT;
 172   DestroyWindow (hLB);
 173 }
 174
 175 void check_item_height()
 176 {
 177     HWND hLB;
 178     HDC hdc;
 179     HFONT font;
 180     TEXTMETRICW tm;
 181     INT itemHeight;
 182
 183     hLB = create_listbox (0);
 184     ok ((hdc = GetDCEx( hLB, 0, DCX_CACHE )) != 0, "Can't get hdc\n");
 185     ok ((font = GetCurrentObject(hdc, OBJ_FONT)) != 0, "Can't get the current font\n");
 186     ok (GetTextMetricsW( hdc, &tm ), "Can't read font metrics\n");
 187     ReleaseDC( hLB, hdc);
 188
 189     ok (SendMessageW(hLB, WM_SETFONT, (WPARAM)font, 0) == 0, "Can't set font\n");
 190
 191     itemHeight = SendMessageW(hLB, LB_GETITEMHEIGHT, 0, 0);
 192     ok (itemHeight == tm.tmHeight, "Item height wrong, got %d, expecting %ld\n", itemHeight, tm.tmHeight);
 193
 194     DestroyWindow (hLB);
 195 }
 196
 197 START_TEST(listbox)
 198 {
 199   const struct listbox_test SS =
 200 /*   {add_style} */
 201     {{0},
 202      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0},
 203      {     1,      1,      1, LB_ERR}, {0,0,0,0},
 204      {     2,      2,      2, LB_ERR}, {0,0,0,0},
 205      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0}};
 206 /* {selected, anchor,  caret, selcount}{TODO fields} */
 207   const struct listbox_test SS_NS =
 208     {{LBS_NOSEL},
 209      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0},
 210      {     1,      1,      1, LB_ERR}, {0,0,0,0},
 211      {     2,      2,      2, LB_ERR}, {0,0,0,0},
 212      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0}};
 213   const struct listbox_test MS =
 214     {{LBS_MULTIPLESEL},
 215      {     0, LB_ERR,      0,      0}, {0,0,0,0},
 216      {     1,      1,      1,      1}, {0,0,0,0},
 217      {     2,      1,      2,      1}, {0,0,0,0},
 218      {     0, LB_ERR,      0,      2}, {0,0,0,0}};
 219   const struct listbox_test MS_NS =
 220     {{LBS_MULTIPLESEL | LBS_NOSEL},
 221      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0},
 222      {     1,      1,      1, LB_ERR}, {0,0,0,0},
 223      {     2,      2,      2, LB_ERR}, {0,0,0,0},
 224      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0}};
 225   const struct listbox_test ES =
 226     {{LBS_EXTENDEDSEL},
 227      {     0, LB_ERR,      0,      0}, {0,0,0,0},
 228      {     1,      1,      1,      1}, {0,0,0,0},
 229      {     2,      2,      2,      1}, {0,0,0,0},
 230      {     0, LB_ERR,      0,      2}, {0,0,0,0}};
 231   const struct listbox_test ES_NS =
 232     {{LBS_EXTENDEDSEL | LBS_NOSEL},
 233      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0},
 234      {     1,      1,      1, LB_ERR}, {0,0,0,0},
 235      {     2,      2,      2, LB_ERR}, {0,0,0,0},
 236      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0}};
 237   const struct listbox_test EMS =
 238     {{LBS_EXTENDEDSEL | LBS_MULTIPLESEL},
 239      {     0, LB_ERR,      0,      0}, {0,0,0,0},
 240      {     1,      1,      1,      1}, {0,0,0,0},
 241      {     2,      2,      2,      1}, {0,0,0,0},
 242      {     0, LB_ERR,      0,      2}, {0,0,0,0}};
 243   const struct listbox_test EMS_NS =
 244     {{LBS_EXTENDEDSEL | LBS_MULTIPLESEL | LBS_NOSEL},
 245      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0},
 246      {     1,      1,      1, LB_ERR}, {0,0,0,0},
 247      {     2,      2,      2, LB_ERR}, {0,0,0,0},
 248      {LB_ERR, LB_ERR,      0, LB_ERR}, {0,0,0,0}};
 249
 250   trace (" Testing single selection...\n");
 251   check (SS);
 252   trace (" ... with NOSEL\n");
 253   check (SS_NS);
 254   trace (" Testing multiple selection...\n");
 255   check (MS);
 256   trace (" ... with NOSEL\n");
 257   check (MS_NS);
 258   trace (" Testing extended selection...\n");
 259   check (ES);
 260   trace (" ... with NOSEL\n");
 261   check (ES_NS);
 262   trace (" Testing extended and multiple selection...\n");
 263   check (EMS);
 264   trace (" ... with NOSEL\n");
 265   check (EMS_NS);
 266
 267   check_item_height();
 268 }