mirror of
https://github.com/reactos/reactos.git
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622c29bffb
svn path=/trunk/; revision=29688
181 lines
5.3 KiB
C
181 lines
5.3 KiB
C
/*
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* Unit tests for dc functions
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*
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* Copyright (c) 2005 Huw Davies
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* Copyright (c) 2005 Dmitry Timoshkov
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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 <stdio.h>
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#include "wine/test.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 "winerror.h"
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static void dump_region(HRGN hrgn)
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{
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DWORD i, size;
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RGNDATA *data = NULL;
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RECT *rect;
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if (!hrgn)
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{
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printf( "(null) region\n" );
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return;
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}
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if (!(size = GetRegionData( hrgn, 0, NULL ))) return;
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if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return;
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GetRegionData( hrgn, size, data );
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printf( "%ld rects:", data->rdh.nCount );
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for (i = 0, rect = (RECT *)data->Buffer; i < data->rdh.nCount; i++, rect++)
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printf( " (%ld,%ld)-(%ld,%ld)", rect->left, rect->top, rect->right, rect->bottom );
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printf( "\n" );
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HeapFree( GetProcessHeap(), 0, data );
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}
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static void test_savedc_2(void)
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{
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HWND hwnd;
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HDC hdc;
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HRGN hrgn;
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RECT rc, rc_clip;
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int ret;
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hwnd = CreateWindowExA(0, "static", "", WS_POPUP, 0,0,100,100,
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0, 0, 0, NULL);
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assert(hwnd != 0);
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ShowWindow(hwnd, SW_SHOW);
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UpdateWindow(hwnd);
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hrgn = CreateRectRgn(0, 0, 0, 0);
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assert(hrgn != 0);
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hdc = GetDC(hwnd);
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ok(hdc != NULL, "CreateDC rets %p\n", hdc);
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ret = GetClipBox(hdc, &rc_clip);
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ok(ret == SIMPLEREGION, "GetClipBox returned %d instead of SIMPLEREGION\n", ret);
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ret = GetClipRgn(hdc, hrgn);
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ok(ret == 0, "GetClipRgn returned %d instead of 0\n", ret);
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ret = GetRgnBox(hrgn, &rc);
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ok(ret == NULLREGION, "GetRgnBox returned %d (%ld,%ld-%ld,%ld) instead of NULLREGION\n",
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ret, rc.left, rc.top, rc.right, rc.bottom);
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/*dump_region(hrgn);*/
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SetRect(&rc, 0, 0, 100, 100);
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ok(EqualRect(&rc, &rc_clip),
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"rects are not equal: (%ld,%ld-%ld,%ld) - (%ld,%ld-%ld,%ld)\n",
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rc.left, rc.top, rc.right, rc.bottom,
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rc_clip.left, rc_clip.top, rc_clip.right, rc_clip.bottom);
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ret = SaveDC(hdc);
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todo_wine
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{
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ok(ret == 1, "ret = %d\n", ret);
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}
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ret = IntersectClipRect(hdc, 0, 0, 50, 50);
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#if 0 /* XP returns COMPLEXREGION although dump_region reports only 1 rect */
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ok(ret == SIMPLEREGION, "IntersectClipRect returned %d instead of SIMPLEREGION\n", ret);
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#endif
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if (ret != SIMPLEREGION)
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{
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trace("Windows BUG: IntersectClipRect returned %d instead of SIMPLEREGION\n", ret);
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/* let's make sure that it's a simple region */
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ret = GetClipRgn(hdc, hrgn);
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ok(ret == 1, "GetClipRgn returned %d instead of 1\n", ret);
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dump_region(hrgn);
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}
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ret = GetClipBox(hdc, &rc_clip);
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ok(ret == SIMPLEREGION, "GetClipBox returned %d instead of SIMPLEREGION\n", ret);
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SetRect(&rc, 0, 0, 50, 50);
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ok(EqualRect(&rc, &rc_clip), "rects are not equal\n");
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ret = RestoreDC(hdc, 1);
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ok(ret, "ret = %d\n", ret);
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ret = GetClipBox(hdc, &rc_clip);
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ok(ret == SIMPLEREGION, "GetClipBox returned %d instead of SIMPLEREGION\n", ret);
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SetRect(&rc, 0, 0, 100, 100);
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ok(EqualRect(&rc, &rc_clip), "rects are not equal\n");
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DeleteObject(hrgn);
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ReleaseDC(hwnd, hdc);
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DestroyWindow(hwnd);
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}
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static void test_savedc(void)
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{
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HDC hdc = CreateDCA("DISPLAY", NULL, NULL, NULL);
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int ret;
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ok(hdc != NULL, "CreateDC rets %p\n", hdc);
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ret = SaveDC(hdc);
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ok(ret == 1, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 2, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 3, "ret = %d\n", ret);
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ret = RestoreDC(hdc, -1);
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ok(ret, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 3, "ret = %d\n", ret);
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ret = RestoreDC(hdc, 1);
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ok(ret, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 1, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 2, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 3, "ret = %d\n", ret);
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ret = RestoreDC(hdc, -2);
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ok(ret, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 2, "ret = %d\n", ret);
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ret = RestoreDC(hdc, -2);
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ok(ret, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 1, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 2, "ret = %d\n", ret);
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ret = RestoreDC(hdc, -4);
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ok(!ret, "ret = %d\n", ret);
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ret = RestoreDC(hdc, 3);
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ok(!ret, "ret = %d\n", ret);
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/* Under win98 the following two succeed and both clear the save stack
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ret = RestoreDC(hdc, -3);
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ok(!ret, "ret = %d\n", ret);
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ret = RestoreDC(hdc, 0);
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ok(!ret, "ret = %d\n", ret);
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*/
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ret = RestoreDC(hdc, 1);
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ok(ret, "ret = %d\n", ret);
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DeleteDC(hdc);
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}
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START_TEST(dc)
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{
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test_savedc();
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test_savedc_2();
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}
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