*/
    @Test
    void testConstructor() {
        // Verify that the constructor correctly sets the id and attributes
        assertEquals(mockSid, pacGroup.getId(), "The SID should be correctly set in the constructor.");
        assertEquals(attributes, pacGroup.getAttributes(), "The attributes should be correctly set in the constructor.");
    }

    /**
     * Test method for {@link jcifs.pac.PacGroup#getId()}.
     */

     */
    public String getUsername() {
        return username;
    }

    /**
     * Returns the password in plain text or {@code null} if the raw password
     * hashes were used to construct this {@code NtlmPasswordAuthentication}
     * object which will be the case when NTLM HTTP Authentication is
     * used. There is no way to retrieve a users password in plain text unless

/**
 * Test class for TransportException
 */
public class TransportExceptionTest {

    @Test
    @DisplayName("Test default constructor creates exception with null message")
    public void testDefaultConstructor() {
        // Create exception with default constructor
        TransportException exception = new TransportException();

        // Verify the exception is created and has no message

class Smb2ConstantsTest {

    @Test
    @DisplayName("Should have private constructor to prevent instantiation")
    void testPrivateConstructor() throws Exception {
        // Verify constructor is private
        Constructor<Smb2Constants> constructor = Smb2Constants.class.getDeclaredConstructor();
        assertTrue(Modifier.isPrivate(constructor.getModifiers()), "Constructor should be private");

    private final int[] X = new int[16];

    // Constructors
    //...........................................................................

    /**
     * Creates a new MD4 message digest instance.
     * Initializes the digest with the MD4 algorithm parameters.
     */
    public MD4() {
        super("MD4");
        engineReset();
    }

    /**
     *    This constructor is here to implement cloneability of this class.

   * also relies on object identity of funnels.
   *
   * @param funnel the funnel of T's that the constructed {@code BloomFilter} will use
   * @param expectedInsertions the number of expected insertions to the constructed {@code
   *     BloomFilter}; must be positive
   * @return a {@code Collector} generating a {@code BloomFilter} of the received elements

    // Creates a minimal valid CIFS context that does not perform I/O by itself
    private CIFSContext ctx() {
        return SingletonContext.getInstance();
    }

    @Nested
    @DisplayName("Constructor behavior")
    class ConstructorTests {

        @ParameterizedTest
        @DisplayName("Accepts IPC$ URLs (happy path)")
        @ValueSource(strings = { "smb://server/IPC$/foo", "smb://server/IPC$/PIPE/foo" })

    @MethodSource("messages")
    @DisplayName("Message constructor preserves provided messages, including null/edge cases")
    void messageConstructor_preservesMessage(String msg) {
        // Arrange & Act
        SmbUnsupportedOperationException ex = new SmbUnsupportedOperationException(msg);

        // Assert
        assertEquals(msg, ex.getMessage(), "Constructor should preserve the provided message (including null)");

    @BeforeEach
    void setUp() {
        // Create mock objects for the constructor parameters
        aliasHandle = mock(SamrAliasHandle.class);
        sids = mock(LsarSidArray.class);
    }

    /**
     * Test method for {@link jcifs.dcerpc.msrpc.MsrpcGetMembersInAlias#MsrpcGetMembersInAlias(SamrAliasHandle, LsarSidArray)}.
     * Verifies that the constructor correctly initializes the object's fields using reflection for protected members.

            HMACT64 hmac = new HMACT64(TEST_KEY);
            hmac.engineReset();
            verify(mockMd5, times(2)).reset(); // Once in constructor, once in reset
            verify(mockMd5, times(2)).update(any(byte[].class)); // Once in constructor, once in reset
        }
    }

    @Test
    void testEngineGetDigestLength() throws NoSuchAlgorithmException {
        // Test engineGetDigestLength()