NdrHyper ndrHyper = new NdrHyper(0); // Initialize with a dummy value

        // Configure the mock NdrBuffer to return a specific value when dec_ndr_hyper is called
        when(mockNdrBuffer.dec_ndr_hyper()).thenReturn(decodedValue);

        // Call the decode method with the mocked NdrBuffer
        ndrHyper.decode(mockNdrBuffer);

        // Verify that dec_ndr_hyper was called exactly once

        // Create a mock of SmbTransport from jcifs package
        jcifs.SmbTransport mock = mock(jcifs.SmbTransport.class);
        // Stub the getRemoteHostName method
        when(mock.getRemoteHostName()).thenReturn("test-host");
        // Verify the stubbing
        assertEquals("test-host", mock.getRemoteHostName());
        // Ensure that the mock was interacted with
        verify(mock).getRemoteHostName();
    }

    @DisplayName("Decode should set value from NdrBuffer.dec_ndr_hyper")
    public void testDecodeInteraction() throws NdrException {
        NdrBuffer buf = mock(NdrBuffer.class);
        when(buf.dec_ndr_hyper()).thenReturn(0xdeadbeefcafebabeL);
        NdrHyper hyper = new NdrHyper(0L);
        hyper.decode(buf);
        assertEquals(0xdeadbeefcafebabeL, hyper.value);
    }

    @Test
    @DisplayName("getBuffer should return non-null byte array")
    void testGetBufferContract() {
        // Given
        byte[] expectedBuffer = new byte[1024];
        when(mockBufferCache.getBuffer()).thenReturn(expectedBuffer);

        // When
        byte[] buffer = mockBufferCache.getBuffer();

        // Then
        assertNotNull(buffer, "getBuffer should never return null");

        // Test that an IOException is thrown if the input stream does not provide enough bytes.
        // Simulate reading less than 6 bytes.
        when(mockInputStream.read(any(byte[].class), anyInt(), anyInt())).thenReturn(5); // Simulate reading only 5 bytes

        SessionRetargetResponsePacket packet = new SessionRetargetResponsePacket();
        byte[] buffer = new byte[6];

        int decodedValue = 54321;
        // Configure the mock to return a specific value when dec_ndr_long is called
        when(mockNdrBuffer.dec_ndr_long()).thenReturn(decodedValue);

        NdrLong ndrLong = new NdrLong(0); // Initialize with a dummy value

        // Call the decode method
        ndrLong.decode(mockNdrBuffer);

        }
    }

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        when(mockConfig.getMaximumBufferSize()).thenReturn(65535);
        when(mockConfig.getPid()).thenReturn(1234);
        response = new TestSmbComTransactionResponse(mockConfig);
    }

    @Test
    @DisplayName("Test constructor initialization with config only")

    super.setUp();
    hasher = mock(Hasher.class);
    hashFunction = mock(HashFunction.class);
    buffer = new ByteArrayInputStream(testBytes);

    when(hashFunction.newHasher()).thenReturn(hasher);
  }

  public void testRead_putSingleByte() throws Exception {
    HashingInputStream in = new HashingInputStream(hashFunction, buffer);

    int b = in.read();
    assertEquals('y', b);

    super.setUp();
    hasher = mock(Hasher.class);
    hashFunction = mock(HashFunction.class);
    buffer = new ByteArrayInputStream(testBytes);

    when(hashFunction.newHasher()).thenReturn(hasher);
  }

  public void testRead_putSingleByte() throws Exception {
    HashingInputStream in = new HashingInputStream(hashFunction, buffer);

    int b = in.read();
    assertEquals('y', b);

  @Override
  protected void setUp() throws Exception {
    super.setUp();
    hasher = mock(Hasher.class);
    hashFunction = mock(HashFunction.class);

    when(hashFunction.newHasher()).thenReturn(hasher);
  }

  public void testWrite_putSingleByte() throws Exception {
    int b = 'q';
    HashingOutputStream out = new HashingOutputStream(hashFunction, buffer);
    out.write(b);