return this.handle.isOpen();
    }

    @Override
    protected synchronized SmbTreeHandleImpl ensureTreeConnected() throws CIFSException {
        return this.handle.ensureTreeConnected();
    }

    @Override
    protected synchronized SmbFileHandleImpl ensureOpen() throws CIFSException {
        return this.handle.ensureOpen();
    }

    /**
     * Gets the pipe handle implementation for this output stream.
     *

     * @throws CIFSException if an error occurs getting the input stream
     */
    InputStream getInput() throws CIFSException;

    /**
     * Gets the output stream for writing to this pipe.
     *
     * @return this pipe's output stream
     * @throws CIFSException if an error occurs getting the output stream
     */
    OutputStream getOutput() throws CIFSException;

    /**
     * {@inheritDoc}

     * @param name the resource name to test
     * @return whether the given filename should be included
     * @throws CIFSException if an error occurs while accessing the resource
     */
    boolean accept(SmbResource parent, String name) throws CIFSException;

     * @return the Type 3 message to send to the server
     * @throws GeneralSecurityException if a cryptographic error occurs
     * @throws CIFSException if a CIFS protocol error occurs
     */
    protected Type3Message createType3Message(final Type2Message msg2) throws GeneralSecurityException, CIFSException {
        if (this.auth instanceof NtlmNtHashAuthenticator) {

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.SmbConstants;
import jcifs.internal.smb2.io.Smb2WriteRequest;
import jcifs.internal.smb2.io.Smb2WriteResponse;

@ExtendWith(MockitoExtension.class)

     * @param searchAttributes the file attributes to search for
     * @throws CIFSException if an error occurs during initialization
     */
    public DirFileEntryEnumIterator2(final SmbTreeHandleImpl th, final SmbResource parent, final String wildcard,
            final ResourceNameFilter filter, final int searchAttributes) throws CIFSException {
        super(th, parent, wildcard, filter, searchAttributes);
    }

    /**

    void testCloseDoesNotThrowException() {
        // When & Then
        assertDoesNotThrow(() -> {
            try {
                emptyIterator.close();
            } catch (CIFSException e) {
                throw new RuntimeException(e);
            }
        }, "close() should not throw any exception");
    }

    @Test
    @DisplayName("remove should not throw any exception")

     *         <code>TYPE_PRINTER</code> or <code>TYPE_COMM</code>.
     * @throws CIFSException if the type cannot be determined
     */
    int getType() throws CIFSException;

    /**
     * Determines whether this resource represents a workgroup reference.
     *
     * @return whether this is a workgroup reference
     * @throws CIFSException if the determination cannot be made
     */

        doThrow(thrown).when(trace).connect(loc);

        // Act & Assert: both UnknownHostException and IOException should become CIFSException (SmbException)
        CIFSException ex = assertThrows(CIFSException.class, () -> trace.connectWrapException(loc));
        assertTrue(ex.getMessage() != null && ex.getMessage().contains("Failed to connect to server"));
        assertSame(thrown, ex.getCause());

    }

    @Test
    void testClose() throws CIFSException {
        assertFalse(context.isCloseCalled());

        boolean result = context.close();

        assertFalse(result); // AbstractCIFSContext always returns false for close()
        assertTrue(context.isCloseCalled());
    }

    @Test
    void testRun_successfulClose() throws CIFSException {
        // Simulate the shutdown hook being run