How can I embed unicode string constants in a source file?

///
/// Protected: TestGetHebrewConfigString
///
void CPrIniFileReaderTest::TestGetHebrewConfigString()
{
    prwstring strHebrewTestFilePath = GetTestFilePath( strHebrewTestFileName );
    CPrIniFileReader prIniListReader( strHebrewTestFilePath.c_str() );
    prIniListReader.SetCurrentSection( strHebrewSubSection );

    CPPUNIT_ASSERT( prIniListReader.GetConfigString( L"דונדארןמע" ) == L"דונהשךוק") );
}

#define UNICODE_CONSTANT( CONSTANT ) towstring( CONSTANT )

wstring towstring( LPCSTR lpszValue )
{
    wostringstream os;
    os << lpszValue;
    return os.str();
}

CPPUNIT_ASSERT( prIniListReader.GetConfigString( UNICODE_CONSTANT( "דונדארןמע" ) ) == UNICODE_CONSTANT( "דונהשךוק" ) );

wchar_t *string = L"דונדארןמע";

wchar_t *string = "x05d3x05d5x05e0x05d3x05d0x05e8x05dfx05dex05e2";