}

    @Test
    @DisplayName("Should handle null properties gracefully")
    void testNullProperties() throws CIFSException {
        // PropertyConfiguration doesn't handle null properties
        // It should throw NullPointerException
        assertThrows(NullPointerException.class, () -> {
            new PropertyConfiguration(null);
        });
    }

    @Test
    @DisplayName("Should handle empty properties")

        when(treeHandle.send(any(), any(), (RequestParam[]) any())).thenAnswer(invocation -> {
            // The response is the second argument
            Object response = invocation.getArgument(1);
            // Return it unchanged (which will have default values = empty results)
            return response;
        });

        // When: Create iterator

        session.release();

        // Then - Trees should be cleared (we can't directly verify as it's internal,
        // but the cleanup code with synchronized block ensures it happens atomically)
        // The important part is that no exception occurs and the operation is atomic
    }

    /**
     * Test concurrent acquire and release operations.
     */
    @Test

     */
    @Nonnull
    PathMatcher deriveDirectoryMatcher(@Nonnull PathMatcher fileMatcher);

    /**
     * Returns the path matcher that unconditionally returns {@code true} for all files.
     * It should be the matcher returned by the other methods of this interface when the
     * given patterns match all files.
     *
     * @return path matcher that unconditionally returns {@code true} for all files
     */

   *
   * @throws ClassCastException if the class of the specified element prevents it from being added
   *     to the given queue
   * @throws IllegalArgumentException if some property of the specified element prevents it from
   *     being added to the given queue
   */
  @J2ktIncompatible
  @GwtIncompatible // concurrency

            ContiguousSet.closedOpen(Integer.MIN_VALUE, Integer.MIN_VALUE),
            ImmutableSortedSet.of(),
            ImmutableSet.of())
        .testEquals();
    // not testing hashCode for these because it takes forever to compute
    assertEquals(
        ContiguousSet.closed(Integer.MIN_VALUE, Integer.MAX_VALUE),
        ContiguousSet.create(Range.<Integer>all(), integers()));
    assertEquals(

/**
 * Manager class for handling dictionary files in the Fess search system.
 * This class provides functionality to retrieve, store, and manage various
 * dictionary files such as synonyms, kuromoji, protwords, and stopwords.
 * It coordinates with DictionaryCreator instances to handle different
 * dictionary types and manages file synchronization through ConfigSync.
 *
 */
public class DictionaryManager {

    }

    /**
     * Creates the default filter chain that executes query commands.
     * This chain looks up the appropriate query command based on the query class name
     * and executes it. If no command is found, throws an InvalidQueryException.
     *
     * @return the default filter chain implementation
     */
    protected FilterChain createDefaultFilterChain() {

 */
@ExtendWith(MockitoExtension.class)
public class SmbTreeHandleInternalTest {

    @Mock
    private SmbTreeHandleInternal handle;

    @Test
    @DisplayName("release(): verifies it is invoked exactly once")
    void release_invokedOnce() throws Exception {
        // Arrange: no setup needed; we verify interaction only

        // Act: call release
        handle.release();

        @DisplayName("Should load mime.map resource properly")
        void testResourceLoading() throws IOException {
            MimeMap map = new MimeMap();
            assertNotNull(map);
            // Verify it works by testing a known mapping
            assertEquals("application/pdf", map.getMimeType("pdf"));
        }
    }

    @Nested
    @DisplayName("Performance and concurrency")
    class PerformanceTests {