}

    @Test
    @DisplayName("send throws CIFSException for null request when implementation does")
    void send_nullRequest_throws() throws Exception {
        // Arrange
        when(tree.send(isNull())).thenThrow(new CIFSException("null request"));

        // Act
        CIFSException ex = assertThrows(CIFSException.class, () -> tree.send(null));

        // Assert

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)

     */
    SmbPipeInputStream(final SmbPipeHandleImpl handle, final SmbTreeHandleImpl th) throws CIFSException {
        super(handle.getPipe(), th, null);
        this.handle = handle;
    }

    /**
     * Ensures that the tree connection is established.
     *
     * @return the tree handle implementation
     * @throws CIFSException if a connection error occurs
     */

     * @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}

        assertDoesNotThrow(creds::refresh);
    }

    @Test
    @DisplayName("refresh throws CIFSException when configured to fail")
    void refresh_failure_throws_cifs() {
        TestCredentials creds = new TestCredentials("Z", false, false, new Subject(), true);
        CIFSException ex = assertThrows(CIFSException.class, creds::refresh);
        assertTrue(ex.getMessage().contains("refresh failed"));
    }

     * @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);
    }

    /**

import org.junit.jupiter.params.provider.MethodSource;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.internal.CommonServerMessageBlockRequest;
import jcifs.internal.smb1.com.SmbComBlankResponse;
import jcifs.internal.smb1.com.SmbComClose;

 */
package jcifs.spnego;

import jcifs.CIFSException;

/**
 * Exception thrown during SPNEGO authentication processing.
 *
 * This exception indicates an error in SPNEGO token processing,
 * negotiation, or authentication flow.
 *
 * @author mbechler
 */
public class SpnegoException extends CIFSException {

    /**
     *
     */

     */
    @Test
    @DisplayName("getBatchLimit returns correct values for different SMB commands")
    public void testBatchLimitForDifferentCommands() throws CIFSException {
        Properties props = new Properties();
        props.setProperty("jcifs.smb.client.useBatching", "true");
        props.setProperty("jcifs.smb.client.useUnicode", "true");

        this.next = advance();
        return n;
    }

    /**
     * {@inheritDoc}
     *
     * @throws CIFSException
     *
     * @see java.lang.AutoCloseable#close()
     */
    @Override
    public void close() throws CIFSException {
        this.delegate.close();
    }

    @Override
    public void remove() {
        this.delegate.remove();
    }