verify(handle, times(1)).release();
        verifyNoMoreInteractions(handle);
    }

    @Test
    @DisplayName("ensureDFSResolved(): no exception when underlying call succeeds")
    void ensureDFSResolved_success() throws Exception {
        // Arrange: default mock does nothing

        // Act: call method under test
        handle.ensureDFSResolved();

      val uri = url.toUri()
      if (uri.host == null) return immutableListOf(Proxy.NO_PROXY)

      // Try each of the ProxySelector choices until one connection succeeds.
      val proxiesOrNull = address.proxySelector.select(uri)
      if (proxiesOrNull.isNullOrEmpty()) return immutableListOf(Proxy.NO_PROXY)

      return proxiesOrNull.toImmutableList()
    }

    }

    /**
     * Retrieves an extractor for the specified key.
     * If multiple extractors are associated with the key, returns a composite extractor
     * that tries each extractor in order until one succeeds.
     *
     * @param key the key to look up
     * @return the extractor for the key, or null if not found
     */
    public Extractor getExtractor(final String key) {

    /**
     * Error severity levels
     */
    public enum Severity {
        RECOVERABLE, // Can retry the operation
        TRANSIENT, // Temporary error, retry after delay
        PERMANENT, // Operation cannot succeed
        FATAL // Connection or session must be terminated
    }

    /**
     * Error categories
     */
    public enum Category {

            TestCredentials creds = new TestCredentials("X", false, false, null, false);
            assertNull(creds.getSubject());
        }
    }

    @Test
    @DisplayName("refresh succeeds when not configured to fail")
    void refresh_success() throws Exception {
        TestCredentials creds = new TestCredentials("Z", false, false, new Subject(), false);
        // Should not throw

        // Prepare a minimal locator
        SmbResourceLocatorImpl loc = new SmbResourceLocatorImpl(ctx, smbUrl("smb://srv/share/path"));

        // Setup a tree that will fail with transport error first, then succeed
        SmbTreeImpl tree = mock(SmbTreeImpl.class);
        when(tree.acquire(false)).thenReturn(tree);

        CommonServerMessageBlockRequest req = mock(CommonServerMessageBlockRequest.class);

     */
    public void setOffset(final long offset) {
        this.offset = offset;
    }

    /**
     * Sets the minimum number of bytes that must be read for the operation to succeed
     *
     * @param minimumCount
     *            the minimumCount to set
     */
    public void setMinimumCount(final int minimumCount) {
        this.minimumCount = minimumCount;
    }

    /**

 * <code>FILE_WRITE_DATA</code> bit on (bit <code>0x00000002</code>). Actually, this isn't quite correct. If
 * <code>WNET\alice</code> is in the local <code>Administrators</code> group the access check
 * will succeed because the inherited ACE allows local <code>Administrators</code>
 * both <code>FILE_READ_DATA</code> and <code>FILE_WRITE_DATA</code> access.
 *
 */
public class ACE implements jcifs.ACE, Decodable {

    /**

    }

    @Test
    @DisplayName("Iterator with filter throwing exception")
    void iteratorWithFilterException() throws Exception {
        // Setup: first attempt throws, second succeeds
        FileEntry entry1 = mock(FileEntry.class);
        FileEntry entry2 = mock(FileEntry.class);

        when(delegate.hasNext()).thenReturn(true, true, false);

            transport.setConnectFails(true);
            assertThrows(TransportException.class, () -> transport.connect(1000));
        }

        @Test
        @DisplayName("disconnect should succeed when connected")
        void shouldDisconnectWhenConnected() throws IOException {
            transport.setState(3); // Connected
            assertFalse(transport.disconnect(false));