/*
 * PROJECT:         ReactOS api tests
 * LICENSE:         GPL - See COPYING in the top level directory
 * PURPOSE:         Test for NtGdiSelectFont
 * PROGRAMMERS:
 */

#include <win32nt.h>

START_TEST(NtGdiSelectFont)
{
    HDC hDC;
    HFONT hFont, hOldFont;

    hDC = CreateDCW(L"DISPLAY", NULL, NULL, NULL);

    hFont = GetStockObject(DEFAULT_GUI_FONT);

    /* Test NULL DC */
    SetLastError(ERROR_SUCCESS);
    hOldFont = NtGdiSelectFont(NULL, hFont);
    TEST(hOldFont == NULL);
    TEST(GetLastError() == ERROR_SUCCESS);

    /* Test invalid DC */
    SetLastError(ERROR_SUCCESS);
    hOldFont = NtGdiSelectFont((HDC)((ULONG_PTR)hDC & 0x0000ffff), hFont);
    TEST(hOldFont == NULL);
    TEST(GetLastError() == ERROR_SUCCESS);

    /* Test NULL font */
    SetLastError(ERROR_SUCCESS);
    hOldFont = NtGdiSelectFont(hDC, NULL);
    TEST(hOldFont == NULL);
    TEST(GetLastError() == ERROR_SUCCESS);

    /* Test invalid font */
    SetLastError(ERROR_SUCCESS);
    hOldFont = NtGdiSelectFont(hDC, (HFONT)((ULONG_PTR)hFont & 0x0000ffff));
    TEST(hOldFont == NULL);
    TEST(GetLastError() == ERROR_SUCCESS);

    SetLastError(ERROR_SUCCESS);
    hOldFont = NtGdiSelectFont(hDC, hFont);
    TEST(hOldFont != NULL);
    hOldFont = NtGdiSelectFont(hDC, hOldFont);
    TEST(hOldFont == hFont);
    TEST(GetLastError() == ERROR_SUCCESS);


    DeleteDC(hDC);
}