this.homeDirectory = value;
    }

    public String getHomePhone() {
        checkSpecifiedProperty("homePhone");
        return convertEmptyToNull(homePhone);
    }

    public void setHomePhone(String value) {
        registerModifiedProperty("homePhone");
        this.homePhone = value;
    }

    public String getHomePostalAddress() {
        checkSpecifiedProperty("homePostalAddress");

                "homeDirectory");
        setupEpg(_epgMap, et -> ((User) et).getHomePhone(), (et, vl) -> ((User) et).setHomePhone(DfTypeUtil.toString(vl)), "homePhone");
        setupEpg(_epgMap, et -> ((User) et).getHomePostalAddress(), (et, vl) -> ((User) et).setHomePostalAddress(DfTypeUtil.toString(vl)),
                "homePostalAddress");

            result.setGroups(toStringArray(source.get("groups")));
            result.setHomeDirectory(DfTypeUtil.toString(source.get("homeDirectory")));
            result.setHomePhone(DfTypeUtil.toString(source.get("homePhone")));
            result.setHomePostalAddress(DfTypeUtil.toString(source.get("homePostalAddress")));
            result.setInitials(DfTypeUtil.toString(source.get("initials")));

    }

    @Test
    public void test_user_homePhone() {
        final User user = new User();
        assertNull(user.getHomePhone());

        user.setHomePhone("098-765-4321");
        assertEquals("098-765-4321", user.getHomePhone());
    }

    @Test
    public void test_user_employeeNumber() {
        final User user = new User();