public static Method[] getHoleMethods() {
    return new Method[] {
      getMethod(NavigableSetNavigationTester.class, "testLowerHole"),
      getMethod(NavigableSetNavigationTester.class, "testFloorHole"),
      getMethod(NavigableSetNavigationTester.class, "testCeilingHole"),
      getMethod(NavigableSetNavigationTester.class, "testHigherHole"),
    };
  }

    abstract String atomicHelperTypeForTest();
  }

  private static final class SafeAtomicHelper extends AtomicHelper {
    private static final AtomicReferenceFieldUpdater<
            ? super AggregateFutureState<?>, ? super @Nullable Set<Throwable>>
        seenExceptionsUpdater =
            newUpdater(AggregateFutureState.class, Set.class, "seenExceptionsField");

  public void testOfNullKey() {
    assertThrows(NullPointerException.class, () -> ImmutableBiMap.of(null, 1));

    assertThrows(NullPointerException.class, () -> ImmutableBiMap.of("one", 1, null, 2));
  }

  public void testOfNullValue() {
    assertThrows(NullPointerException.class, () -> ImmutableBiMap.of("one", null));

    assertThrows(NullPointerException.class, () -> ImmutableBiMap.of("one", 1, "two", null));
  }

    assertThrows(NullPointerException.class, () -> builder.put(null, 1));
    assertThrows(NullPointerException.class, () -> builder.putAll(null, Arrays.asList(1, 2, 3)));
    assertThrows(NullPointerException.class, () -> builder.putAll(null, 1, 2, 3));
    assertThrows(
        NullPointerException.class, () -> builder.putAll((Multimap<String, Integer>) toPut));
  }

 * Each test creates a concrete filter to validate expected contract semantics
 * including normal operation, null handling, edge cases, and exception flow.
 */
@ExtendWith(MockitoExtension.class)
class SmbFilenameFilterTest {

    @Mock
    SmbFile mockDir;

    /**
     * Happy-path: a filter that accepts any name.
     */
    @ParameterizedTest
    @DisplayName("accepts any non-null/any string")

        container.singleton("pdfExtractor", PdfExtractor.class)//
                .singleton("pdfExtractorForPdfPassword", PdfExtractor.class)//
                .singleton("mimeTypeHelper", MimeTypeHelperImpl.class)//
                .singleton("tikaExtractor", TikaExtractor.class)//
                .<ExtractorFactory> singleton("extractorFactory", ExtractorFactory.class, factory -> {

    private static class CustomSearcher extends RankFusionSearcher {
        @Override
        protected SearchResult search(String query, SearchRequestParams params, OptionalThing<FessUserBean> userBean) {
            return new SearchResult(new ArrayList<>(), 0L, "eq", 0L, false, new FacetResponse(InternalAggregations.EMPTY));
        }
    }

    private static class SimpleSearcher extends RankFusionSearcher {

  /**
   * A source that reads the incoming data frames of a stream. Although this class uses
   * synchronization to safely receive incoming data frames, it is not intended for use by multiple
   * readers.
   */
  inner class FramingSource internal constructor(
    /** Maximum number of bytes to buffer before reporting a flow control error. */
    private val maxByteCount: Long,

        public boolean isValidSearchLogPermissions(String[] permissions) {
            return true;
        }
    }

    private static class MockSearchEngineClient extends SearchEngineClient {
        // Mock implementation - no admin client needed for tests
    }

    private static class MockSearchLogBhv extends SearchLogBhv {
        public void selectBulk(Consumer<Object> entityLambda, Consumer<List<SearchLog>> entityListLambda) {

import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.spnego.NegTokenInit;

/**
 * This class used to provide Kerberos feature when setup GSSContext.
 *
 * @author Shun
 */
class Kerb5Context implements SSPContext {

    private static final Logger log = LoggerFactory.getLogger(Kerb5Context.class);

    private static final ASN1ObjectIdentifier KRB5_MECH_OID;