NtStatus.NT_STATUS_SHARING_VIOLATION, NtStatus.NT_STATUS_INVALID_PARAMETER })
    @DisplayName("Should handle various NT status codes")
    void testVariousNTStatusCodes(int ntStatus) {
        // When
        SmbException exception = new SmbException(ntStatus, false);

        // Then
        assertNotNull(exception);

        void testConstructorAndOpnum() {
            // When: Creating close handle message
            samr.SamrCloseHandle message = new samr.SamrCloseHandle(mockPolicyHandle);

            // Then: Should have correct opnum and handle
            assertEquals(0x01, message.getOpnum());
            assertEquals(mockPolicyHandle, message.handle);
        }

        @Test

    }

    /**
     * Sets the context handle for the async notify request.
     *
     * @param contextHandle the context handle from registration
     */
    public void setContextHandle(byte[] contextHandle) {
        this.contextHandle = contextHandle != null ? contextHandle.clone() : null;
    }

    /**
     * Gets the context handle.
     *
     * @return the context handle
     */
    public byte[] getContextHandle() {

        assertNull(transPeekNamedPipe.name);
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, -1, Integer.MAX_VALUE, Integer.MIN_VALUE, 0xFFFF })
    @DisplayName("Constructor should handle various FID values")
    void testConstructorWithVariousFids(int fid) {
        // Act
        transPeekNamedPipe = new TransPeekNamedPipe(mockConfig, TEST_PIPE_NAME, fid);

        // Assert

 * properly. Apparatus is provided to send and receive requests
 * concurrently.
 */

/**
 * Abstract base class for network transport implementations in JCIFS.
 * This class handles the low-level transport protocol for SMB communication.
 */
public abstract class Transport implements Runnable, AutoCloseable {

    /**
     * Default constructor for Transport
     */
    protected Transport() {

    //                                                                      Search Execute
    //                                                                      ==============

    /**
     * Handles the help page request and renders the help interface.
     * This method performs authentication checks and sets up the necessary
     * form parameters and rendering data for the help page display.
     *

    }

    /**
     * Gets the context handle returned by the server.
     *
     * @return the context handle
     */
    public byte[] getContextHandle() {
        return contextHandle != null ? contextHandle.clone() : null;
    }

    /**
     * Sets the context handle.
     *
     * @param contextHandle the context handle
     */
    public void setContextHandle(byte[] contextHandle) {

    //                                                                      ==============

    /**
     * Resolves login credentials using various authentication methods.
     * This method handles local user authentication, LDAP authentication,
     * and SSO authentication through configured authenticators.
     *
     * @param resolver the credential resolver to use
     */
    @Override

        assertEquals(1, chain2.updateCallCount);
        assertEquals(1, chain3.updateCallCount);
    }

    // Test addChain null handling
    public void test_addChain_withNull() {
        // ArrayUtils.addAll handles null gracefully by adding it to the array
        authenticationManager.addChain(null);

        // Verify null chain doesn't cause issues during operations
        User user = createTestUser("testuser");
        try {

import java.math.BigInteger;
import java.util.Date;

import jcifs.SmbConstants;
import jcifs.smb.SID;

/**
 * Input stream for reading PAC data structures with proper alignment and byte ordering.
 * Handles little-endian byte order and data alignment requirements of PAC structures.
 */
public class PacDataInputStream {

    private final DataInputStream dis;
    private final int size;

    /**