}

    private static class TestFileTypeHelper extends FileTypeHelper {
        private String[] types = new String[0];

        @Override
        public String[] getTypes() {
            return types;
        }

        public void setTypes(String[] types) {
            this.types = types;
        }
    }

    private static class TestFessConfig extends FessConfig.SimpleImpl {

    public void test_getTypes() {
        String[] types = fileTypeHelper.getTypes();
        assertNotNull(types);
        assertEquals(0, types.length);

        fileTypeHelper.add("application/pdf", "pdf");
        fileTypeHelper.add("text/plain", "text");
        fileTypeHelper.add("image/jpeg", "image");

        types = fileTypeHelper.getTypes();
        assertEquals(3, types.length);

        Arrays.sort(types);

        credentials.setUsername(getUsername());
        credentials.setPassword(getPassword() == null ? StringUtil.EMPTY : getPassword());
        if (Constants.NTLM.equals(scheme)) {
            credentials.setType(CredentialsType.NTLM);
            final Map<String, String> parameterMap = ParameterUtil.parse(getParameters());
            credentials.setDomain(parameterMap.get("domain"));

        final String password = paramMap.get(prefix + "password");
        credentials.setPassword(password == null ? StringUtil.EMPTY : password);
        if (Constants.NTLM.equals(scheme)) {
            credentials.setType(CredentialsType.NTLM);
            credentials.setDomain(paramMap.get(prefix + "domain"));
            credentials.setWorkstation(paramMap.get(prefix + "workstation"));
        }
        config.setCredentials(credentials);