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);
}