assertNull(expire);
    }

    // Test with different expire values
    public void test_differentExpireValues() {
        int[] testExpires = { 0, 1, 60, 3600, 86400, Integer.MAX_VALUE };

        for (int expire : testExpires) {
            ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
                private static final long serialVersionUID = 1L;

    val e = RuntimeException()
    clientListener.setNextEventDelegate(
      object : WebSocketListener() {
        override fun onClosing(
          webSocket: WebSocket,
          code: Int,
          reason: String,
        ): Unit = throw e
      },
    )
    server.close(1000, "bye")
    clientListener.assertFailure(e)
    serverListener.assertFailure()
    serverListener.assertExhausted()
  }

  @Test

  public void testConcat_overflow_negative() {
    int dim1 = 1 << 16;
    int dim2 = 1 << 15;
    assertThat(dim1 * dim2).isLessThan(0);
    testConcatOverflow(dim1, dim2);
  }

  @GwtIncompatible // different overflow behavior; could probably be made to work by using ~~
  public void testConcat_overflow_nonNegative() {
    int dim1 = 1 << 16;
    int dim2 = 1 << 16;
    assertThat(dim1 * dim2).isAtLeast(0);

    SerializableTester.reserializeAndAssert(Equivalence.equals());
    SerializableTester.reserializeAndAssert(Equivalence.identity());
  }

  private static class IntValue {
    private final int value;

    IntValue(int value) {
      this.value = value;
    }

    @Override
    public String toString() {
      return "value = " + value;
    }
  }

  public void testOnResultOf() {

    SerializableTester.reserializeAndAssert(Equivalence.equals());
    SerializableTester.reserializeAndAssert(Equivalence.identity());
  }

  private static class IntValue {
    private final int value;

    IntValue(int value) {
      this.value = value;
    }

    @Override
    public String toString() {
      return "value = " + value;
    }
  }

  public void testOnResultOf() {

        return null;
      }
      @SuppressWarnings({"rawtypes", "unchecked"})
      Entry<K, V>[] newEntries = new Entry[size - dups.cardinality()];
      for (int inI = 0, outI = 0; inI < size; inI++) {
        if (!dups.get(inI)) {
          newEntries[outI++] = entries[inI];
        }
      }
      return newEntries;
    }
  }

  /**

                return new String[0];
            }

            @Override
            public int getOffset() {
                return 0;
            }

            @Override
            public int getPageSize() {
                return 10;
            }

            @Override
            public int getStartPosition() {
                return 0;
            }

            @Override

import java.util.Calendar;
import java.util.Date;

import org.codelibs.fess.exception.FessSystemException;
import org.codelibs.fess.helper.IntervalControlHelper.IntervalRule;
import org.codelibs.fess.unit.UnitFessTestCase;

public class IntervalControlHelperTest extends UnitFessTestCase {

    private IntervalControlHelper intervalControlHelper;

    @Override
    public void setUp() throws Exception {

     * Test field count to ensure no unexpected fields are added
     */
    public void test_fieldCount() throws Exception {
        Field[] fields = FessLabels.class.getDeclaredFields();
        int labelConstantCount = 0;
        int serialVersionUIDCount = 0;

        for (Field field : fields) {
            if (field.getName().equals("serialVersionUID")) {
                serialVersionUIDCount++;

            // setError(int, String)
            Method setErrorStringMethod = WebApiUtil.class.getMethod("setError", int.class, String.class);
            assertTrue("setError(int, String) should be static", java.lang.reflect.Modifier.isStatic(setErrorStringMethod.getModifiers()));