assertNotNull(dcerpcBinding.getUuid(), "UUID should be set for a valid pipe endpoint.");
        assertEquals("4B324FC8-1670-01D3-1278-5A47BF6EE188", dcerpcBinding.getUuid().toString(), "UUID should be parsed correctly.");
        assertEquals(3, dcerpcBinding.getMajor(), "Major version should be parsed correctly.");

        @Test
        @DisplayName("Should create correct response type")
        void testCreateResponse() {
            Smb2EchoResponse response = echoRequest.createResponse(mockContext, echoRequest);

            assertNotNull(response);
            assertInstanceOf(Smb2EchoResponse.class, response);
        }

        @Test
        @DisplayName("Should create response with correct configuration")

        assertTrue(str.contains("securityInformation=0x" + Hexdump.toHexString(securityInfo, 8)));
    }

    @Test
    @DisplayName("Test getPadding returns correct value")
    void testGetPadding() {
        querySecurityDesc = new NtTransQuerySecurityDesc(mockConfig, 0x1000, DACL_SECURITY_INFORMATION);
        assertEquals(4, querySecurityDesc.getPadding());
    }

    @Test

    /**
     * Tests that the getter for the underlying pipe resource returns the correct instance.
     */
    @Test
    public void testGetPipe() {
        assertEquals(mockPipeResource, smbPipeHandle.getPipe(), "getPipe() should return the underlying pipe resource.");
    }

    /**
     * Tests that the getter for the input stream returns the correct stream.
     * @throws CIFSException if an error occurs while getting the stream.

        int errorCode = 0x00000005; // DCERPC_FAULT_ACCESS_DENIED
        DcerpcException exception = new DcerpcException(errorCode);
        assertEquals(errorCode, exception.getErrorCode(), "getErrorCode() should return the correct error code.");
    }

    /**
     * Test getRootCause() method (deprecated).
     */
    @Test
    void testGetRootCause() {
        Throwable cause = new IllegalArgumentException("Invalid argument.");

        // Verify that the object was created
        assertNotNull(pacString, "The PacUnicodeString object should not be null.");

        // Verify that the getters return the correct values
        assertEquals(length, pacString.getLength(), "The length should match the value provided in the constructor.");

        }
    }

    @Nested
    @DisplayName("ToString Tests")
    class ToStringTests {

        @Test
        @DisplayName("Should generate correct string representation")
        void testToString() {
            when(mockReferral.getTtl()).thenReturn(600);
            when(mockReferral.getRFlags()).thenReturn(4);

    }

    /**
     * Test getInitialSize() returns the correct size.
     */
    @Test
    void testGetInitialSize() {
        long expectedSize = 1024L;
        when(smbFileHandle.getInitialSize()).thenReturn(expectedSize);
        long actualSize = smbFileHandle.getInitialSize();
        assertEquals(expectedSize, actualSize, "getInitialSize should return the correct initial file size.");

        assertEquals(0, share1.type, "Share 1 raw type should be 0.");
        assertEquals("Remark 1", share1.remark.trim(), "Share 1 remark should be correct.");

        SmbShareInfo share2 = (SmbShareInfo) response.results[1];
        assertEquals("IPC$", share2.getName().trim(), "Share 2 name should be correct.");

    @ValueSource(ints = { -1, 0, 13, 15, 99 })
    @DisplayName("seq ctor: invalid msgType values throw")
    void sequenceConstructor_invalidMsgType_throws(int badType) throws Exception {
        // Arrange: correct version, wrong msg type
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(new DERTaggedObject(true, 0, new ASN1Integer(Integer.parseInt(KerberosConstants.KERBEROS_VERSION))));