}

    @Test
    @DisplayName("Test writeBytesWireFormat returns 0")
    void testWriteBytesWireFormat() {
        response = new Smb2QueryInfoResponse(mockConfig, (byte) 1, (byte) 2);
        byte[] dst = new byte[1024];
        int dstIndex = 0;

        int result = response.writeBytesWireFormat(dst, dstIndex);

        assertEquals(0, result);
    }

    @Test

    @Mock
    private HttpServletResponse mockResponse;

    private NtlmSsp ntlmSsp;

    // A sample challenge array
    private final byte[] challenge = new byte[] { 0x01, 0x23, 0x45, 0x67, (byte) 0x89, (byte) 0xab, (byte) 0xcd, (byte) 0xef };

    // Base64 encoded Type 1 message: NTLMSSP, Type 1, flags=0x00088207
    // Domain="DOMAIN", Workstation="WORKSTATION"

    Random rng = new Random(0L);
    byte[] bytes = new byte[rng.nextInt(256) + 1];
    rng.nextBytes(bytes);
    assertEquals(hashFunction.hashBytes(bytes), hashFunction.hashBytes(ByteBuffer.wrap(bytes)));
  }

  static void assertHashByteBufferExhaustsBuffer(HashFunction hashFunction) {
    Random rng = new Random(0L);
    byte[] bytes = new byte[rng.nextInt(256) + 1];
    rng.nextBytes(bytes);

    }

    /**
     * Gets the number of bytes written.
     *
     * @return the count of bytes written
     */
    public long getCount() {
        return this.count;
    }

    @Override
    protected int writeParameterWordsWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        return 0;

    void testCompleteWireFormatWriting() {
        trans2QueryFSInfo = new Trans2QueryFSInformation(config, FileSystemInformation.FS_SIZE_INFO);

        byte[] setupBuffer = new byte[256];
        byte[] paramBuffer = new byte[256];
        byte[] dataBuffer = new byte[256];

        int setupWritten = trans2QueryFSInfo.writeSetupWireFormat(setupBuffer, 0);

        byte[] dst = new byte[10];

        // writeSetupWireFormat writes 4 bytes:
        // - subCommand byte
        // - 3 zero bytes (padding and no FID)
        int written = pipe.writeSetupWireFormat(dst, 0);

        assertEquals(4, written, "Setup should write 4 bytes");
        assertEquals(SmbComTransaction.TRANS_WAIT_NAMED_PIPE, dst[0], "First byte should be subCommand");

        void testWriteBytesWireFormat() throws Exception {
            // Given
            byte[] buffer = new byte[100];

            // When
            int bytesWritten = (int) invokeMethod(response, "writeBytesWireFormat", new Class[] { byte[].class, int.class }, buffer, 0);

            // Then
            assertEquals(0, bytesWritten, "Should write 0 bytes for response");
        }

        @Test

        // Using little-endian byte order as per SMBUtil.readInt2
        byte[] buf = new byte[12];
        buf[0] = 0x34; // Low byte
        buf[1] = 0x12; // High byte
        int written = resp.readParameterWordsWireFormat(buf, 0);

        assertEquals(8, written, "Expected readParameterWordsWireFormat to advance 8 bytes");

    void testInvalidMessageBytes() {
        // Given
        byte[] invalidBytes = { 1, 2, 3, 4, 5 }; // Too short and invalid

        // When/Then
        assertThrows(IOException.class, () -> {
            new Type3Message(invalidBytes);
        });
    }

    @Test
    @DisplayName("Should handle parsing null message bytes")
    void testNullMessageBytes() {

      String name, ByteSinkFactory factory, String desc, byte[] bytes) {
    TestSuite suite = new TestSuite(name + " [" + desc + "]");
    for (Method method : testMethods) {
      suite.addTest(new ByteSinkTester(factory, bytes, name, desc, method));
    }
    return suite;
  }

  private ByteSink sink;

  ByteSinkTester(
      ByteSinkFactory factory, byte[] data, String suiteName, String caseDesc, Method method) {