reactos/rostests/apitests/win32nt/ntgdi/NtGdiSelectBrush.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: Test for NtGdiSelectBrush
* PROGRAMMERS:
*/
#include <win32nt.h>
START_TEST(NtGdiSelectBrush)
{
HDC hDC;
HBRUSH hBrush, hOldBrush;
DC_ATTR *pdcattr;
hDC = CreateDCW(L"DISPLAY", NULL, NULL, NULL);
hBrush = GetStockObject(GRAY_BRUSH);
/* Test NULL DC */
SetLastError(ERROR_SUCCESS);
hOldBrush = NtGdiSelectBrush(NULL, hBrush);
TEST(hOldBrush == NULL);
TEST(GetLastError() == ERROR_SUCCESS);
/* Test invalid DC */
SetLastError(ERROR_SUCCESS);
hOldBrush = NtGdiSelectBrush((HDC)((ULONG_PTR)hDC & 0x0000ffff), hBrush);
TEST(hOldBrush == NULL);
TEST(GetLastError() == ERROR_SUCCESS);
/* Test NULL brush */
SetLastError(ERROR_SUCCESS);
hOldBrush = NtGdiSelectBrush(hDC, NULL);
TEST(hOldBrush == NULL);
TEST(GetLastError() == ERROR_SUCCESS);
/* Test invalid brush */
SetLastError(ERROR_SUCCESS);
hOldBrush = NtGdiSelectBrush(hDC, (HBRUSH)((ULONG_PTR)hBrush & 0x0000ffff));
TEST(hOldBrush == NULL);
TEST(GetLastError() == ERROR_SUCCESS);
SetLastError(ERROR_SUCCESS);
hOldBrush = NtGdiSelectBrush(hDC, hBrush);
TEST(hOldBrush != NULL);
hOldBrush = NtGdiSelectBrush(hDC, hOldBrush);
TEST(hOldBrush == hBrush);
TEST(GetLastError() == ERROR_SUCCESS);
/* Begin with a white brush */
NtGdiSelectBrush(hDC, GetStockObject(WHITE_BRUSH));
/* Select a brush in user mode */
SelectObject(hDC, GetStockObject(BLACK_BRUSH));
/* See what we get returned */
hOldBrush = NtGdiSelectBrush(hDC, GetStockObject(WHITE_BRUSH));
TEST(hOldBrush == GetStockObject(BLACK_BRUSH));
/* Begin with a white brush */
NtGdiSelectBrush(hDC, GetStockObject(WHITE_BRUSH));
pdcattr = GdiGetHandleUserData(hDC);
/* Change the brush in user mode, without setting flags */
pdcattr->hbrush = (HBRUSH)12345;
hOldBrush = NtGdiSelectBrush(hDC, GetStockObject(BLACK_BRUSH));
TEST(hOldBrush == (HBRUSH)12345);
DeleteDC(hDC);
}