subset.clear();
    assertThat(elementSet).containsExactly("a", "f").inOrder();
    assertThat(subset).isEmpty();
    assertEquals(3, ms.size());
  }

  public void testCustomComparator() throws Exception {
    Comparator<String> comparator =
        new Comparator<String>() {
          @Override
          public int compare(String o1, String o2) {
            return o2.compareTo(o1);
          }
        };

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

public class ContentNotFoundException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    public ContentNotFoundException(final String parentUrl, final String url) {

import org.codelibs.fess.unit.UnitFessTestCase;

public class UserAgentHelperTest extends UnitFessTestCase {

    public UserAgentHelper userAgentHelper;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        userAgentHelper = new UserAgentHelper();
    }

    public void test_getUserAgentType_IE9() {

  @Param({"2", "3", "4", "5", "10"})
  int lockNestingDepth;

  CycleDetectingLockFactory factory;
  private Lock[] plainLocks;
  private Lock[] detectingLocks;

  @BeforeExperiment
  void setUp() throws Exception {
    this.factory = CycleDetectingLockFactory.newInstance(CycleDetectingLockFactory.Policies.WARN);
    this.plainLocks = new Lock[lockNestingDepth];
    for (int i = 0; i < lockNestingDepth; i++) {

import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.Query;
import org.codelibs.fess.entity.QueryContext;
import org.codelibs.fess.exception.InvalidQueryException;
import org.lastaflute.core.message.UserMessages;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

                T mock = mock(forwarderClass, CALLS_REAL_METHODS);
                try {
                  T stubber = doReturn(delegate).when(mock);
                  DELEGATE_METHOD.invoke(stubber);
                } catch (Exception e) {
                  throw new RuntimeException(e);
                }
                return mock;
              }
            });
  }

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.exception;

import static org.codelibs.core.collection.ArrayUtil.asArray;

/**
 * 引数がnullだった場合にthrowする例外です。
 *
 * {@link NullPointerException}をthrowする代わりに使うことを想定しています。
 *
 * @author wyukawa
 */

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

import org.codelibs.fess.es.config.exentity.ScheduledJob;

public class JobNotFoundException extends FessSystemException {

    private static final long serialVersionUID = 1L;

   * {@code null}; it may either return a non-null value or throw an exception.
   *
   * <p>No observable state associated with this cache is modified until loading completes.
   *
   * @throws ExecutionException if a checked exception was thrown while loading the value
   * @throws UncheckedExecutionException if an unchecked exception was thrown while loading the
   *     value

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.exception;

import static org.codelibs.core.collection.ArrayUtil.asArray;

import java.io.IOException;

/**
 * {@link IOException}をラップする例外です。
 *
 * @author higa
 */