map = makePopulatedMap();
    } catch (UnsupportedOperationException e) {
      return;
    }

    if (supportsClear) {
      map.clear();
      assertTrue(map.isEmpty());
    } else {
      assertThrows(UnsupportedOperationException.class, () -> map.clear());
    }
    assertInvariants(map);
  }

  @J2ktIncompatible // https://youtrack.jetbrains.com/issue/KT-58242/ undefined behavior (crash)

        return function.apply(k);
      } else {
        return null;
      }
    }

    @Override
    public void clear() {
      backingSet().clear();
    }

    @Override
    protected Set<Entry<K, V>> createEntrySet() {
      @WeakOuter
      class EntrySetImpl extends EntrySet<K, V> {
        @Override
        Map<K, V> map() {
          return AsMapView.this;
        }

        return function.apply(k);
      } else {
        return null;
      }
    }

    @Override
    public void clear() {
      backingSet().clear();
    }

    @Override
    protected Set<Entry<K, V>> createEntrySet() {
      @WeakOuter
      class EntrySetImpl extends EntrySet<K, V> {
        @Override
        Map<K, V> map() {
          return AsMapView.this;
        }

    public boolean containsValue(@Nullable Object value) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.containsValue(value);
    }

    @Override
    public void clear() {
      assertTrue(Thread.holdsLock(mutex));
      delegate.clear();
    }

    @Override
    public Collection<V> values() {
      assertTrue(Thread.holdsLock(mutex));
      /* TODO: verify that the Collection is also synchronized? */

import java.util.ArrayList;
import java.util.List;

import org.codelibs.fess.unit.UnitFessTestCase;

public class DataConfigPagerTest extends UnitFessTestCase {

    public void test_DataConfigPager() {
        DataConfigPager dataconfigpager = new DataConfigPager();

        dataconfigpager.clear();
        assertEquals(0, dataconfigpager.getAllRecordCount());
        assertEquals(0, dataconfigpager.getAllPageCount());

        removeMap(e.key);
        e.clear();
        return value;
    }

    @Override
    public void putAll(final Map<? extends K, ? extends V> map) {
        for (final Map.Entry<? extends K, ? extends V> entry : map.entrySet()) {
            put(entry.getKey(), entry.getValue());
        }
    }

    @Override
    public void clear() {
        for (int i = 0; i < mapTable.length; i++) {

  }

  private final class Inverse extends IteratorBasedAbstractMap<V, K>
      implements BiMap<V, K>, Serializable {
    BiMap<K, V> forward() {
      return HashBiMap.this;
    }

    @Override
    public int size() {
      return size;
    }

    @Override
    public void clear() {
      forward().clear();
    }

    @Override

        if (event instanceof ExecutionEvent) {
            ExecutionEvent executionEvent = (ExecutionEvent) event;
            if (executionEvent.getType() == ExecutionEvent.Type.SessionEnded) {
                allHandlers.clear();
            }
        }
    }

    public ArtifactHandler getArtifactHandler(String type) {
        requireNonNull(type, "null type");
        ArtifactHandler handler = allHandlers.get(type);

  static {
    // Prevent rare disastrous classloading in first call to LockSupport.park.
    // See: https://bugs.openjdk.java.net/browse/JDK-8074773
    @SuppressWarnings("unused")
    Class<?> ensureLoaded = LockSupport.class;
  }

  private static final class DoNothingRunnable implements Runnable {
    @Override
    public void run() {}
  }
  // The thread executing the task publishes itself to the superclass' reference and the thread

    private List<Integer> pageNumberList;

    private int pageSize;

    private int currentPageNumber;

    public String id;

    public void clear() {
        allRecordCount = 0;
        allPageCount = 0;
        existPrePage = false;
        existNextPage = false;
        pageSize = getDefaultPageSize();
        currentPageNumber = getDefaultCurrentPageNumber();

        id = null;
    }