// public methods
public void testMod() throws Exception {
PrefixOperatorPSM qclm = new PrefixOperatorPSM();
PropertySet props = new PropertySet();
props.set( Property.jostraca_template_folder, FileUtil.findFile( "org/jostraca/util/test" ).getAbsolutePath() );
props.set( "tr-file", "(file) tr-file.txt");
props.set( "tr-file-q", "(file/tr) tr-file.txt");
props.set( Property.main_OutputFolder, FileUtil.findFile( "org/jostraca/util/test/out" ).getAbsolutePath() );
props.set( "or-file", "(file/or) or-file.txt");
qclm.modify( props, props );
assertTrue( props.get( "tr-file" ).replace('\\','/').endsWith( "jostraca/util/test/tr-file.txt" ) );
assertTrue( props.get( "tr-file-q" ).replace('\\','/').endsWith( "jostraca/util/test/tr-file.txt" ) );
assertTrue( props.get( "or-file" ).replace('\\','/').endsWith( "jostraca/util/test/out/or-file.txt" ) );
}