this.input = input;
    }

    @CanIgnoreReturnValue
    String consumeTokenIfPresent(CharMatcher matcher) {
      checkState(hasMore());
      int startPosition = position;
      position = matcher.negate().indexIn(input, startPosition);
      return hasMore() ? input.substring(startPosition, position) : input.substring(startPosition);
    }

    String consumeToken(CharMatcher matcher) {

      this.input = input;
    }

    @CanIgnoreReturnValue
    String consumeTokenIfPresent(CharMatcher matcher) {
      checkState(hasMore());
      int startPosition = position;
      position = matcher.negate().indexIn(input, startPosition);
      return hasMore() ? input.substring(startPosition, position) : input.substring(startPosition);
    }

    String consumeToken(CharMatcher matcher) {

            }
            final NamingEnumeration<SearchResult> results =
                    context.search(bindDn, "(name=" + escapeLDAPSearchFilter(groupName) + ")", searchControls);
            if (results.hasMore()) {
                final SearchResult searchResult = results.next();
                final Attribute attribute = searchResult.getAttributes().get("sAMAccountName");
                if (logger.isDebugEnabled()) {

        assertTrue(fessUserBean.hasRole("admin"));
        assertTrue(fessUserBean.hasRole("user"));
        assertTrue(fessUserBean.hasRole("manager"));
        assertFalse(fessUserBean.hasRole("guest"));

        // Test with null check
        assertFalse(fessUserBean.hasRole(null));
    }

    public void test_hasRoles() {
        // Test with no roles

      Segment<Object, Object, ?, ?> segment = map.segments[0];

      Object keyOne = new Object();
      Object valueOne = new Object();
      int hashOne = map.hash(keyOne);
      InternalEntry<Object, Object, ?> entryOne = segment.newEntryForTesting(keyOne, hashOne, null);
      WeakValueReference<Object, Object, ?> valueRefOne =
          segment.newWeakValueReferenceForTesting(entryOne, valueOne);

      Segment<Object, Object, ?, ?> segment = map.segments[0];

      Object keyOne = new Object();
      Object valueOne = new Object();
      int hashOne = map.hash(keyOne);
      InternalEntry<Object, Object, ?> entryOne = segment.newEntryForTesting(keyOne, hashOne, null);
      WeakValueReference<Object, Object, ?> valueRefOne =
          segment.newWeakValueReferenceForTesting(entryOne, valueOne);

      assertTrue(badDefaultPort);
    }

    // Check the pre-withDefaultPort() instance.
    if (expectHasExplicitPort) {
      assertTrue(hp.hasPort());
      assertEquals(expectPort, hp.getPort());
    } else {
      assertFalse(hp.hasPort());
      try {
        hp.getPort();
        fail("Expected IllegalStateException");
      } catch (IllegalStateException expected) {
      }
    }

      assertTrue(badDefaultPort);
    }

    // Check the pre-withDefaultPort() instance.
    if (expectHasExplicitPort) {
      assertTrue(hp.hasPort());
      assertEquals(expectPort, hp.getPort());
    } else {
      assertFalse(hp.hasPort());
      try {
        hp.getPort();
        fail("Expected IllegalStateException");
      } catch (IllegalStateException expected) {
      }
    }

      LocalCache<Object, Object> map = makeLocalCache(builder);

      Object keyOne = new Object();
      Object valueOne = new Object();
      int hashOne = map.hash(keyOne);
      ReferenceEntry<Object, Object> entryOne = map.newEntry(keyOne, hashOne, null);
      ValueReference<Object, Object> valueRefOne = map.newValueReference(entryOne, valueOne, 1);
      assertSame(valueOne, valueRefOne.get());

    }

    public String[] getGroups() {
        return user.getGroupNames();
    }

    public boolean isEditable() {
        return user.isEditable();
    }

    public boolean hasRole(final String role) {
        return stream(user.getRoleNames()).get(stream -> stream.anyMatch(s -> s.equals(role)));
    }

    public boolean hasRoles(final String[] acceptedRoles) {