assertArrayEquals(roles, user.getRoleNames());

        // Test with single role
        roles = new String[] { "user" };
        user = new TestFessUser("testuser", roles, new String[] {}, new String[] {});
        assertArrayEquals(roles, user.getRoleNames());

        // Test with empty roles
        roles = new String[] {};

            return name;
        }

        public void setRoleNames(String[] roleNames) {
            this.roleNames = roleNames;
        }

        @Override
        public String[] getRoleNames() {
            return roleNames;
        }

        public void setGroupNames(String[] groupNames) {
            this.groupNames = groupNames;
        }

        @Override

            this.permissions = permissions;
        }

        @Override
        public String getName() {
            return name;
        }

        @Override
        public String[] getRoleNames() {
            return new String[0];
        }

        @Override
        public String[] getGroupNames() {
            return new String[0];
        }

        @Override

            this.permissions = permissions;

        }

        @Override
        public String getName() {
            return name;
        }

        @Override
        public String[] getRoleNames() {
            return new String[0];
        }

        @Override
        public String[] getGroupNames() {
            return new String[0];
        }

        @Override

            public void permissionChanged(OptionalThing<FessUserBean> userBean) {
                // Do nothing
            }
        }, "activityHelper");

        String[] roleNames = ldapUser.getRoleNames();
        assertNotNull(roleNames);
        assertEquals(2, roleNames.length);
        assertEquals("role1", roleNames[0]);
        assertEquals("role2", roleNames[1]);
    }

    @Test