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wine/dlls/user32/tests/dce.c

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/*
* Unit tests for DCE support
*
* Copyright 2005 Alexandre Julliard
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "wine/test.h"
#ifndef DCX_USESTYLE
#define DCX_USESTYLE 0x00010000
#endif
static HWND hwnd_cache, hwnd_owndc, hwnd_classdc, hwnd_classdc2;
/* test behavior of DC attributes with various GetDC/ReleaseDC combinations */
static void test_dc_attributes(void)
{
HDC hdc, old_hdc;
INT rop, def_rop;
/* test cache DC */
hdc = GetDC( hwnd_cache );
def_rop = GetROP2( hdc );
SetROP2( hdc, R2_WHITE );
rop = GetROP2( hdc );
ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
ReleaseDC( hwnd_cache, hdc );
hdc = GetDC( hwnd_cache );
rop = GetROP2( hdc );
ok( rop == def_rop, "wrong ROP2 %d after release\n", rop );
SetROP2( hdc, R2_WHITE );
ReleaseDC( hwnd_cache, hdc );
hdc = GetDCEx( hwnd_cache, 0, DCX_USESTYLE | DCX_NORESETATTRS );
rop = GetROP2( hdc );
/* Win9x seems to silently ignore DCX_NORESETATTRS */
ok( rop == def_rop || rop == R2_WHITE, "wrong ROP2 %d\n", rop );
SetROP2( hdc, R2_WHITE );
rop = GetROP2( hdc );
ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
ReleaseDC( hwnd_cache, hdc );
hdc = GetDCEx( hwnd_cache, 0, DCX_USESTYLE | DCX_NORESETATTRS );
rop = GetROP2( hdc );
ok( rop == def_rop || rop == R2_WHITE, "wrong ROP2 %d after release\n", rop );
ReleaseDC( hwnd_cache, hdc );
hdc = GetDCEx( hwnd_cache, 0, DCX_USESTYLE );
rop = GetROP2( hdc );
ok( rop == def_rop, "wrong ROP2 %d after release\n", rop );
ReleaseDC( hwnd_cache, hdc );
/* test own DC */
hdc = GetDC( hwnd_owndc );
SetROP2( hdc, R2_WHITE );
rop = GetROP2( hdc );
ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
old_hdc = hdc;
ReleaseDC( hwnd_owndc, hdc );
hdc = GetDC( hwnd_owndc );
ok( old_hdc == hdc, "didn't get same DC %p/%p\n", old_hdc, hdc );
rop = GetROP2( hdc );
ok( rop == R2_WHITE, "wrong ROP2 %d after release\n", rop );
ReleaseDC( hwnd_owndc, hdc );
rop = GetROP2( hdc );
ok( rop == R2_WHITE, "wrong ROP2 %d after second release\n", rop );
/* test class DC */
hdc = GetDC( hwnd_classdc );
SetROP2( hdc, R2_WHITE );
rop = GetROP2( hdc );
ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
old_hdc = hdc;
ReleaseDC( hwnd_classdc, hdc );
hdc = GetDC( hwnd_classdc );
ok( old_hdc == hdc, "didn't get same DC %p/%p\n", old_hdc, hdc );
rop = GetROP2( hdc );
ok( rop == R2_WHITE, "wrong ROP2 %d after release\n", rop );
ReleaseDC( hwnd_classdc, hdc );
rop = GetROP2( hdc );
ok( rop == R2_WHITE, "wrong ROP2 %d after second release\n", rop );
/* test class DC with 2 windows */
old_hdc = GetDC( hwnd_classdc );
SetROP2( old_hdc, R2_BLACK );
hdc = GetDC( hwnd_classdc2 );
ok( old_hdc == hdc, "didn't get same DC %p/%p\n", old_hdc, hdc );
rop = GetROP2( hdc );
ok( rop == R2_BLACK, "wrong ROP2 %d for other window\n", rop );
ReleaseDC( hwnd_classdc, old_hdc );
ReleaseDC( hwnd_classdc, hdc );
rop = GetROP2( hdc );
ok( rop == R2_BLACK, "wrong ROP2 %d after release\n", rop );
}
/* test behavior with various invalid parameters */
static void test_parameters(void)
{
HDC hdc;
hdc = GetDC( hwnd_cache );
ok( ReleaseDC( hwnd_owndc, hdc ), "ReleaseDC with wrong window should succeed\n" );
hdc = GetDC( hwnd_cache );
ok( !ReleaseDC( hwnd_cache, 0 ), "ReleaseDC with wrong HDC should fail\n" );
ok( ReleaseDC( hwnd_cache, hdc ), "correct ReleaseDC should succeed\n" );
ok( !ReleaseDC( hwnd_cache, hdc ), "second ReleaseDC should fail\n" );
hdc = GetDC( hwnd_owndc );
ok( ReleaseDC( hwnd_cache, hdc ), "ReleaseDC with wrong window should succeed\n" );
hdc = GetDC( hwnd_owndc );
ok( ReleaseDC( hwnd_owndc, hdc ), "correct ReleaseDC should succeed\n" );
ok( ReleaseDC( hwnd_owndc, hdc ), "second ReleaseDC should succeed\n" );
hdc = GetDC( hwnd_classdc );
ok( ReleaseDC( hwnd_cache, hdc ), "ReleaseDC with wrong window should succeed\n" );
hdc = GetDC( hwnd_classdc );
ok( ReleaseDC( hwnd_classdc, hdc ), "correct ReleaseDC should succeed\n" );
ok( ReleaseDC( hwnd_classdc, hdc ), "second ReleaseDC should succeed\n" );
}
static void test_dc_visrgn(void)
{
HDC old_hdc, hdc;
HRGN hrgn, hrgn2;
RECT rect;
/* cache DC */
SetRect( &rect, 10, 10, 20, 20 );
MapWindowPoints( hwnd_cache, 0, (POINT *)&rect, 2 );
hrgn = CreateRectRgnIndirect( &rect );
hdc = GetDCEx( hwnd_cache, hrgn, DCX_INTERSECTRGN | DCX_USESTYLE );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
ReleaseDC( hwnd_cache, hdc );
ok( GetRgnBox( hrgn, &rect ) == ERROR, "region must no longer be valid\n" );
/* cache DC with NORESETATTRS */
SetRect( &rect, 10, 10, 20, 20 );
MapWindowPoints( hwnd_cache, 0, (POINT *)&rect, 2 );
hrgn = CreateRectRgnIndirect( &rect );
hdc = GetDCEx( hwnd_cache, hrgn, DCX_INTERSECTRGN | DCX_USESTYLE | DCX_NORESETATTRS );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
ReleaseDC( hwnd_cache, hdc );
ok( GetRgnBox( hrgn, &rect ) == ERROR, "region must no longer be valid\n" );
hdc = GetDCEx( hwnd_cache, 0, DCX_USESTYLE | DCX_NORESETATTRS );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
"clip box sould have been reset %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ReleaseDC( hwnd_cache, hdc );
/* window DC */
SetRect( &rect, 10, 10, 20, 20 );
MapWindowPoints( hwnd_owndc, 0, (POINT *)&rect, 2 );
hrgn = CreateRectRgnIndirect( &rect );
hdc = GetDCEx( hwnd_owndc, hrgn, DCX_INTERSECTRGN | DCX_USESTYLE );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
ReleaseDC( hwnd_owndc, hdc );
ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
hdc = GetDCEx( hwnd_owndc, 0, DCX_USESTYLE );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
ReleaseDC( hwnd_owndc, hdc );
ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
SetRect( &rect, 20, 20, 30, 30 );
MapWindowPoints( hwnd_owndc, 0, (POINT *)&rect, 2 );
hrgn2 = CreateRectRgnIndirect( &rect );
hdc = GetDCEx( hwnd_owndc, hrgn2, DCX_INTERSECTRGN | DCX_USESTYLE );
ok( GetRgnBox( hrgn, &rect ) == ERROR, "region must no longer be valid\n" );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
ReleaseDC( hwnd_owndc, hdc );
ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
hdc = GetDCEx( hwnd_owndc, 0, DCX_EXCLUDERGN | DCX_USESTYLE );
ok( GetRgnBox( hrgn2, &rect ) == ERROR, "region must no longer be valid\n" );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( !(rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30),
"clip box should have been reset %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ReleaseDC( hwnd_owndc, hdc );
/* class DC */
SetRect( &rect, 10, 10, 20, 20 );
MapWindowPoints( hwnd_classdc, 0, (POINT *)&rect, 2 );
hrgn = CreateRectRgnIndirect( &rect );
hdc = GetDCEx( hwnd_classdc, hrgn, DCX_INTERSECTRGN | DCX_USESTYLE );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
ReleaseDC( hwnd_classdc, hdc );
ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
hdc = GetDCEx( hwnd_classdc, 0, DCX_USESTYLE );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
ReleaseDC( hwnd_classdc, hdc );
ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
SetRect( &rect, 20, 20, 30, 30 );
MapWindowPoints( hwnd_classdc, 0, (POINT *)&rect, 2 );
hrgn2 = CreateRectRgnIndirect( &rect );
hdc = GetDCEx( hwnd_classdc, hrgn2, DCX_INTERSECTRGN | DCX_USESTYLE );
ok( GetRgnBox( hrgn, &rect ) == ERROR, "region must no longer be valid\n" );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
old_hdc = hdc;
hdc = GetDCEx( hwnd_classdc2, 0, DCX_USESTYLE );
ok( old_hdc == hdc, "did not get the same hdc %p/%p\n", old_hdc, hdc );
ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( !(rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30),
"clip box should have been reset %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ReleaseDC( hwnd_classdc2, hdc );
ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
hdc = GetDCEx( hwnd_classdc2, 0, DCX_EXCLUDERGN | DCX_USESTYLE );
ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
ok( !(rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30),
"clip box must have been reset %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ReleaseDC( hwnd_classdc2, hdc );
}
/* test various BeginPaint/EndPaint behaviors */
static void test_begin_paint(void)
{
HDC old_hdc, hdc;
RECT rect;
PAINTSTRUCT ps;
/* cache DC */
/* clear update region */
RedrawWindow( hwnd_cache, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
SetRect( &rect, 10, 10, 20, 20 );
RedrawWindow( hwnd_cache, &rect, 0, RDW_INVALIDATE );
hdc = BeginPaint( hwnd_cache, &ps );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
EndPaint( hwnd_cache, &ps );
/* window DC */
RedrawWindow( hwnd_owndc, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
SetRect( &rect, 10, 10, 20, 20 );
RedrawWindow( hwnd_owndc, &rect, 0, RDW_INVALIDATE );
hdc = BeginPaint( hwnd_owndc, &ps );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ReleaseDC( hwnd_owndc, hdc );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
ok( GetDC( hwnd_owndc ) == hdc, "got different hdc\n" );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
EndPaint( hwnd_owndc, &ps );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
"clip box should have been reset %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
RedrawWindow( hwnd_owndc, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
SetRect( &rect, 10, 10, 20, 20 );
RedrawWindow( hwnd_owndc, &rect, 0, RDW_INVALIDATE|RDW_ERASE );
ok( GetDC( hwnd_owndc ) == hdc, "got different hdc\n" );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
"clip box should be the whole window %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
RedrawWindow( hwnd_owndc, NULL, 0, RDW_ERASENOW );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
"clip box should still be the whole window %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
/* class DC */
RedrawWindow( hwnd_classdc, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
SetRect( &rect, 10, 10, 20, 20 );
RedrawWindow( hwnd_classdc, &rect, 0, RDW_INVALIDATE );
hdc = BeginPaint( hwnd_classdc, &ps );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
"invalid clip box %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
old_hdc = hdc;
hdc = GetDC( hwnd_classdc2 );
ok( old_hdc == hdc, "did not get the same hdc %p/%p\n", old_hdc, hdc );
SetRectEmpty( &rect );
GetClipBox( hdc, &rect );
ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
"clip box should have been reset %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
}
static void test_invisible_create(void)
{
HWND hwnd_owndc = CreateWindowA("owndc_class", NULL, WS_OVERLAPPED,
0, 200, 100, 100,
0, 0, GetModuleHandleA(0), NULL );
HDC dc1, dc2;
dc1 = GetDC(hwnd_owndc);
dc2 = GetDC(hwnd_owndc);
ok(dc1 == dc2, "expected owndc dcs to match\n");
ReleaseDC(hwnd_owndc, dc2);
ReleaseDC(hwnd_owndc, dc1);
DestroyWindow(hwnd_owndc);
}
START_TEST(dce)
{
WNDCLASSA cls;
cls.style = CS_DBLCLKS;
cls.lpfnWndProc = DefWindowProcA;
cls.cbClsExtra = 0;
cls.cbWndExtra = 0;
cls.hInstance = GetModuleHandleA(0);
cls.hIcon = 0;
cls.hCursor = LoadCursorA(0, IDC_ARROW);
cls.hbrBackground = GetStockObject(WHITE_BRUSH);
cls.lpszMenuName = NULL;
cls.lpszClassName = "cache_class";
RegisterClassA(&cls);
cls.style = CS_DBLCLKS | CS_OWNDC;
cls.lpszClassName = "owndc_class";
RegisterClassA(&cls);
cls.style = CS_DBLCLKS | CS_CLASSDC;
cls.lpszClassName = "classdc_class";
RegisterClassA(&cls);
hwnd_cache = CreateWindowA("cache_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
0, 0, 100, 100,
0, 0, GetModuleHandleA(0), NULL );
hwnd_owndc = CreateWindowA("owndc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
0, 200, 100, 100,
0, 0, GetModuleHandleA(0), NULL );
hwnd_classdc = CreateWindowA("classdc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
200, 0, 100, 100,
0, 0, GetModuleHandleA(0), NULL );
hwnd_classdc2 = CreateWindowA("classdc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
200, 200, 100, 100,
0, 0, GetModuleHandleA(0), NULL );
test_dc_attributes();
test_parameters();
test_dc_visrgn();
test_begin_paint();
test_invisible_create();
}
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