FindFirstFile_Test.cpp

#include <windows.h>
#include <tchar.h>

void FindFirstFileTest()
{
    _tprintf(_T("FindFirstFile\n"));

    TCHAR buf[3] = _T("c:");
    for( TCHAR letter = _T('c'); letter <= _T('z'); letter += 1 )
    {
        WIN32_FIND_DATA fd;
        buf[0] = letter;
        HANDLE hFind = FindFirstFile(buf, &fd);
        if( hFind == INVALID_HANDLE_VALUE )
        {
            _tprintf(_T("%s = INVALID\n"), buf);
        }
        else
        {
            _tprintf(_T("%s = %s\n"), buf, fd.cFileName);
            FindClose(hFind);
        }
    }
}

void FindFirstFileExTest(FINDEX_INFO_LEVELS finfoLevelId)
{
    _tprintf(_T("FindFirstFileEx\n"));

    TCHAR buf[3] = _T("c:");
    for( TCHAR letter = _T('c'); letter <= _T('z'); letter += 1 )
    {
        WIN32_FIND_DATA fd;
        buf[0] = letter;
        HANDLE hFind = FindFirstFileEx(buf, finfoLevelId, &fd, FindExSearchNameMatch, NULL, 0);
        if( hFind == INVALID_HANDLE_VALUE )
        {
            _tprintf(_T("%s = INVALID\n"), buf);
        }
        else
        {
            _tprintf(_T("%s = %s\n"), buf, fd.cFileName);
            FindClose(hFind);
        }
    }
}

void TestAll()
{
    FindFirstFileTest();
    //FindFirstFileExTest(FindExInfoStandard);
    //FindFirstFileExTest(FindExInfoBasic);
}


int main()
{
    TCHAR current_drive_letter = _T('C');
    {
        TCHAR cd[MAX_PATH];
        GetCurrentDirectory(MAX_PATH, cd);
        current_drive_letter = cd[0];

        _tprintf(_T("Current Directory: %s\n"), cd);
    }

    TestAll();

    {
        TCHAR cd[MAX_PATH] = _T("C:\\");
        cd[0] = current_drive_letter;

        SetCurrentDirectory(cd);
        GetCurrentDirectory(MAX_PATH, cd);

        _tprintf(_T("Current Directory: %s\n"), cd);
    }

    TestAll();

    return 0;
}