setFieldValue(netServerEnum2, "subCommand", SmbComTransaction.NET_SERVER_ENUM3);

        byte[] dst = new byte[1024];

        // Should throw NullPointerException when lastName is null for NET_SERVER_ENUM3
        assertThrows(NullPointerException.class, () -> {
            netServerEnum2.writeParametersWireFormat(dst, 0);
        });
    }

    @Test

     *
     * @param password the password to hash
     * @return nt password hash
     */
    public static byte[] getNTHash(final String password) {
        if (password == null) {
            throw new NullPointerException("Password parameter is required");
        }
        final MessageDigest md4 = Crypto.getMD4();
        md4.update(Strings.getUNIBytes(password));
        return md4.digest();
    }

    /**

        assertThrows(IllegalArgumentException.class, () -> {
            DialectVersion.valueOf("INVALID");
        });

        // Test valueOf with null
        assertThrows(NullPointerException.class, () -> {
            DialectVersion.valueOf(null);
        });
    }

    @Test
    @DisplayName("Should maintain SMB2 flag consistency")
    void testSMB2FlagConsistency() {

     */
    @Test
    @DisplayName("Test constructor throws NullPointerException with null configuration")
    public void testConstructorWithNullConfig() {
        // When & Then - should throw NullPointerException since ServerMessageBlock calls config.getPid()
        NullPointerException exception = assertThrows(NullPointerException.class, () -> {
            smbComTreeDisconnect = new SmbComTreeDisconnect(null);
        });

        assertEquals(16, hash2.length, "NT hash should be 16 bytes");
    }

    @Test
    @DisplayName("getNTHash: null password throws NPE with message")
    void testGetNTHash_null() {
        NullPointerException ex = assertThrows(NullPointerException.class, () -> NtlmUtil.getNTHash((String) null));
        assertEquals("Password parameter is required", ex.getMessage());
    }

    @ParameterizedTest

            DcerpcBind bindWithNullBinding = new DcerpcBind(null, mockHandle);

            // When/Then
            assertThrows(NullPointerException.class, () -> {
                bindWithNullBinding.encode_in(mockBuffer);
            }, "Should throw NullPointerException when binding is null");
        }

        @Test
        @DisplayName("encode_in should use default constructor values")

    @DisplayName("Invalid: resolving class by null name throws NPE")
    void testClassForNameWithNull() {
        // Intent: demonstrate defensive behavior with null when resolving this type by name
        assertThrows(NullPointerException.class, () -> Class.forName(null));
    }

    @Test
    @DisplayName("Happy path: class is loadable via fully qualified name")
    void testClassForName() throws Exception {
        // Act

        TransTransactNamedPipeResponse nullBufferResponse = new TransTransactNamedPipeResponse(mockConfig, null);
        byte[] buffer = new byte[100];

        assertThrows(NullPointerException.class, () -> nullBufferResponse.readDataWireFormat(buffer, 0, 50));
    }

    @Test
    void testReadDataWireFormatEmptyOutputBuffer() throws SMBProtocolDecodingException {
        // Test with empty outputBuffer

        System.out.println(ex.getMessage());
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetCause() throws Exception {
        final Throwable t = new NullPointerException("test");
        final ClRuntimeException ex = new ClRuntimeException("ECL0017", asArray(t), t);
        assertThat(ex.getCause(), is(t));
        ex.printStackTrace();
    }

    @DisplayName("Should throw exception for null encryption key")
    void testNullEncryptionKey() {
        // When/Then
        assertThrows(NullPointerException.class, () -> {
            new Smb2EncryptionContext(1, DialectVersion.SMB311, null, testDecryptionKey);
        }, "Should throw NullPointerException for null encryption key");
    }

    @Test
    @DisplayName("Should throw exception for null decryption key")