dlls/user32/tests/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     r.left  = r.top = 0;
  53     r.right = r.bottom = 5;
  54     FillRect(hdcmem, &r, 0);
  55     SelectObject(hdcmem, old_brush);
  56     /* bitmap filled with last selected brush */
  57     col = GetPixel(hdcmem, 0, 0);
  58     ok(col == 0, "GetPixel returned %08x, expected 0\n", col);
  59
  60     SelectObject(hdcmem, oldhbmp);
  61     DeleteObject(hbmp);
  62     DeleteDC(hdcmem);
  63     ReleaseDC(0, hdc);
  64 }
  65
  66 static void test_SubtractRect(void)
  67 {
  68     RECT rect1;
  69     RECT rect2;
  70     RECT rectr;
  71     BOOL result;
  72
  73     /* source rectangles don't intersect */
  74     SetRect(&rect1, 50, 50, 150, 100);
  75     SetRect(&rect2, 250, 200, 1500, 1000);
  76     result = SubtractRect(&rectr, &rect1, &rect2);
  77     ok(result, "SubtractRect returned FALSE but subtraction should not be empty\n");
  78     ok(result && rectr.left == 50 && rectr.top == 50 && rectr.right ==150
  79         && rectr.bottom == 100, "wrong rect subtraction of SubtractRect "
  80         "(dest rect={%d, %d, %d, %d})\n", rectr.left, rectr.top, rectr.right, rectr.bottom);
  81
  82     /* source rect 2 partially overlaps rect 1 */
  83     SetRect(&rect1, 2431, 626, 3427, 1608);
  84     SetRect(&rect2, 2499, 626, 3427, 1608);
  85     result = SubtractRect(&rectr, &rect1, &rect2);
  86     ok(result, "SubtractRect returned FALSE but subtraction should not be empty\n");
  87     ok(result && rectr.left == 2431 && rectr.top == 626 && rectr.right == 2499
  88         && rectr.bottom == 1608, "wrong rect subtraction of SubtractRect "
  89         "(dest rect={%d, %d, %d, %d})\n", rectr.left, rectr.top, rectr.right, rectr.bottom);
  90
  91     /* source rect 2 partially overlaps rect 1 - dest is src rect 2 */
  92     SetRect(&rect1, 2431, 626, 3427, 1608);
  93     SetRect(&rect2, 2499, 626, 3427, 1608);
  94     result = SubtractRect(&rect2, &rect1, &rect2);
  95     ok(result, "SubtractRect returned FALSE but subtraction should not be empty\n");
  96     ok(result && rectr.left == 2431 && rectr.top == 626 && rectr.right == 2499
  97         && rectr.bottom == 1608, "wrong rect subtraction of SubtractRect "
  98         "(dest rect={%d, %d, %d, %d})\n", rectr.left, rectr.top, rectr.right, rectr.bottom);
  99
 100     /* source rect 2 completely overlaps rect 1 */
 101     SetRect(&rect1, 250, 250, 400, 500);
 102     SetRect(&rect2, 50, 50, 1500, 1000);
 103     result = SubtractRect(&rectr, &rect1, &rect2);
 104     ok(!result, "SubtractRect returned TRUE but subtraction should be empty "
 105         "(dest rect={%d, %d, %d, %d})\n", rectr.left, rectr.top, rectr.right, rectr.bottom);
 106
 107     /* source rect 2 completely overlaps rect 1 - dest is src rect 2 */
 108     SetRect(&rect1, 250, 250, 400, 500);
 109     SetRect(&rect2, 50, 50, 1500, 1000);
 110     result = SubtractRect(&rect2, &rect1, &rect2);
 111     ok(!result, "SubtractRect returned TRUE but subtraction should be empty "
 112         "(dest rect={%d, %d, %d, %d})\n", rect2.left, rect2.top, rect2.right, rect2.bottom);
 113 }
 114
 115 START_TEST(uitools)
 116 {
 117     test_FillRect();
 118     test_SubtractRect();
 119 }