for (LoadingCache<Object, Object> cache : caches()) {
      Set<Object> keys = cache.asMap().keySet();
      assertFalse(keys.remove(null));
      assertFalse(keys.remove(6));
      assertFalse(keys.remove(-6));
      assertFalse(keys.removeAll(asList(null, 0, 15, 1500)));
      assertFalse(keys.retainAll(asList(null, 0, 15, 1500)));
      checkEmpty(keys);
      checkEmpty(cache);
    }
  }

  public void testKeySet_remove() {

    for (LoadingCache<Object, Object> cache : caches()) {
      Set<Object> keys = cache.asMap().keySet();
      assertFalse(keys.remove(null));
      assertFalse(keys.remove(6));
      assertFalse(keys.remove(-6));
      assertFalse(keys.removeAll(asList(null, 0, 15, 1500)));
      assertFalse(keys.retainAll(asList(null, 0, 15, 1500)));
      checkEmpty(keys);
      checkEmpty(cache);
    }
  }

  public void testKeySet_remove() {

    }

    @Override
    public String getBaseVersion() {
        if (baseVersion == null && version != null) {
            setBaseVersionInternal(version);
        }

        return baseVersion;
    }

    protected String getBaseVersionInternal() {
        if ((baseVersion == null) && (version != null)) {
            setBaseVersionInternal(version);
        }

        return baseVersion;
    }

    protected long lastLoadedTime = 0;

    public void add(final String name, final DataStore dataStore) {
        if (name == null || dataStore == null) {
            throw new IllegalArgumentException("name or dataStore is null.");
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Loaded {}", name);
        }
        dataStoreMap.put(name.toLowerCase(Locale.ROOT), dataStore);

        if (available != null) {
            addFieldToSource(sourceMap, "available", available);
        }
        if (boost != null) {
            addFieldToSource(sourceMap, "boost", boost);
        }
        if (configParameter != null) {
            addFieldToSource(sourceMap, "configParameter", configParameter);
        }
        if (createdBy != null) {

         * available. That API is accessed via reflection to make this independent
         * of the runtime JRE
         */
        if ( EXT_GSS_CONTEXT_CLASS == null || INQUIRE_SEC_CONTEXT == null || INQUIRE_TYPE_SESSION_KEY == null ) {
            throw new SmbException("ExtendedGSSContext support not available from JRE");
        }
        else if ( EXT_GSS_CONTEXT_CLASS.isAssignableFrom(this.gssContext.getClass()) ) {

    /**
     * {@literal locale}が{@literal null}でなければ{@literal locale}を、{@literal null}
     * ならデフォルトのロケールを返します。
     *
     * @param locale
     *            ロケール
     * @return {@literal locale}が{@literal null}でなければ{@literal locale}を、
     *         {@literal null}ならデフォルトのロケールを返します。
     */
    protected static Locale getLocale(final Locale locale) {
        if (locale != null) {
            return locale;
        }

public class QueryResponseListTest extends UnitFessTestCase {
    public void test_calculatePageInfo_page0() {
        QueryResponseList qrList;

        qrList = new QueryResponseList(null, 0, 20, 0) {
            @Override
            public int size() {
                return 0;
            }
        };
        qrList.calculatePageInfo();
        assertEquals(20, qrList.getPageSize());

        return exception;
    }

    @Override
    public String getMessage() {
        String msg = null;

        if (message != null && !message.isEmpty()) {
            msg = message;
        } else if (exception != null) {
            msg = exception.getMessage();
        }

        if (msg == null) {
            msg = "";
        }

        return msg;
    }

    @Override

        if (!matcher.matches()) {
            return null;
        }

        String className = null;
        if (matcher.group(1).length() > 0) {
            className = typeNameResolver.resolve(matcher.group(1), classMetaData);
            if (className == null) {
                return null;
            }
        }
        if (matcher.group(2) == null) {