rostests/winetests/user32/uitools.c

   1 /* Unit test suite for user interface functions
   2  *
   3  * Copyright 2009 Nikolay Sivov
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "wine/test.h"
  21 #include "winbase.h"
  22 #include "wingdi.h"
  23 #include "winuser.h"
  24
  25 static void test_FillRect(void)
  26 {
  27     HDC hdc, hdcmem;
  28     DWORD bits[64];
  29     HBITMAP hbmp, oldhbmp;
  30     COLORREF col;
  31     HBRUSH old_brush;
  32     RECT r;
  33
  34     /* fill bitmap data with white */
  35     memset(bits, 0xff, sizeof(bits));
  36
  37     hdc = GetDC(0);
  38     ok( hdc != NULL, "CreateDC rets %p\n", hdc);
  39     /* create a memory dc */
  40     hdcmem = CreateCompatibleDC(hdc);
  41     ok(hdcmem != NULL, "CreateCompatibleDC rets %p\n", hdcmem);
  42     /* test monochrome bitmap: should always work */
  43     hbmp = CreateBitmap(32, 32, 1, 1, bits);
  44     ok(hbmp != NULL, "CreateBitmap returns %p\n", hbmp);
  45     oldhbmp = SelectObject(hdcmem, hbmp);
  46     ok(oldhbmp != NULL, "SelectObject returned NULL\n"); /* a memdc always has a bitmap selected */
  47     col = GetPixel(hdcmem, 0, 0);
  48     ok( col == 0xffffff, "GetPixel returned %08x, expected 0xffffff\n", col);
  49
  50     /* select black brush */
  51     old_brush = SelectObject(hdcmem, GetStockObject(BLACK_BRUSH));
  52     SetRect(&r, 0, 0, 5, 5);
  53     FillRect(hdcmem, &r, 0);
  54     SelectObject(hdcmem, old_brush);
  55     /* bitmap filled with last selected brush */
  56     col = GetPixel(hdcmem, 0, 0);
  57     ok(col == 0, "GetPixel returned %08x, expected 0\n", col);
  58
  59     SelectObject(hdcmem, oldhbmp);
  60     DeleteObject(hbmp);
  61     DeleteDC(hdcmem);
  62     ReleaseDC(0, hdc);
  63 }
  64
  65 static void test_SubtractRect(void)
  66 {
  67     RECT rect1;
  68     RECT rect2;
  69     RECT rectr;
  70     BOOL result;
  71
  72     /* source rectangles don't intersect */
  73     SetRect(&rect1, 50, 50, 150, 100);
  74     SetRect(&rect2, 250, 200, 1500, 1000);
  75     result = SubtractRect(&rectr, &rect1, &rect2);
  76     ok(result, "SubtractRect returned FALSE but subtraction should not be empty\n");
  77     ok(result && rectr.left == 50 && rectr.top == 50 && rectr.right ==150
  78         && rectr.bottom == 100, "wrong rect subtraction of SubtractRect "
  79         "(dest rect={%d, %d, %d, %d})\n", rectr.left, rectr.top, rectr.right, rectr.bottom);
  80
  81     /* source rect 2 partially overlaps rect 1 */
  82     SetRect(&rect1, 2431, 626, 3427, 1608);
  83     SetRect(&rect2, 2499, 626, 3427, 1608);
  84     result = SubtractRect(&rectr, &rect1, &rect2);
  85     ok(result, "SubtractRect returned FALSE but subtraction should not be empty\n");
  86     ok(result && rectr.left == 2431 && rectr.top == 626 && rectr.right == 2499
  87         && rectr.bottom == 1608, "wrong rect subtraction of SubtractRect "
  88         "(dest rect={%d, %d, %d, %d})\n", rectr.left, rectr.top, rectr.right, rectr.bottom);
  89
  90     /* source rect 2 partially overlaps rect 1 - dest is src rect 2 */
  91     SetRect(&rect1, 2431, 626, 3427, 1608);
  92     SetRect(&rect2, 2499, 626, 3427, 1608);
  93     result = SubtractRect(&rect2, &rect1, &rect2);
  94     ok(result, "SubtractRect returned FALSE but subtraction should not be empty\n");
  95     ok(result && rectr.left == 2431 && rectr.top == 626 && rectr.right == 2499
  96         && rectr.bottom == 1608, "wrong rect subtraction of SubtractRect "
  97         "(dest rect={%d, %d, %d, %d})\n", rectr.left, rectr.top, rectr.right, rectr.bottom);
  98
  99     /* source rect 2 completely overlaps rect 1 */
 100     SetRect(&rect1, 250, 250, 400, 500);
 101     SetRect(&rect2, 50, 50, 1500, 1000);
 102     result = SubtractRect(&rectr, &rect1, &rect2);
 103     ok(!result, "SubtractRect returned TRUE but subtraction should be empty "
 104         "(dest rect={%d, %d, %d, %d})\n", rectr.left, rectr.top, rectr.right, rectr.bottom);
 105
 106     /* source rect 2 completely overlaps rect 1 - dest is src rect 2 */
 107     SetRect(&rect1, 250, 250, 400, 500);
 108     SetRect(&rect2, 50, 50, 1500, 1000);
 109     result = SubtractRect(&rect2, &rect1, &rect2);
 110     ok(!result, "SubtractRect returned TRUE but subtraction should be empty "
 111         "(dest rect={%d, %d, %d, %d})\n", rect2.left, rect2.top, rect2.right, rect2.bottom);
 112 }
 113
 114 START_TEST(uitools)
 115 {
 116     test_FillRect();
 117     test_SubtractRect();
 118 }