@Test(expected = IllegalArgumentException.class)
public void testIdentifyClassFilesWithWrongInput() {

    Map<String, Object> parameters = Maps.newHashMap();
    parameters.put("baseDir", TEST_CLASSES_DIR);
    Set<String> input = new HashSet<>();
    input.add("**/*.class");
    parameters.put("includes", input);
    FileNameUtil.identifyFiles(parameters);
}