fos.write(getTestContent().getBytes(StandardCharsets.UTF_8));
        }

        // Create a temporary project.properties file for SystemHelper
        File propFile = File.createTempFile("project", ".properties");
        propFile.deleteOnExit();
        try (FileOutputStream fos = new FileOutputStream(propFile)) {
            fos.write("fess.version=1.0.0".getBytes());
        }

        // Initialize SystemHelper

        String name1 = "WORKSTATION     ";
        System.arraycopy(name1.getBytes("US-ASCII"), 0, src, srcIndex + 1, 16);
        src[srcIndex + 16] = 0x00; // hex code
        src[srcIndex + 17] = 0x04; // flags: active

        // Second name entry (18 bytes)
        String name2 = "DOMAIN          ";
        System.arraycopy(name2.getBytes("US-ASCII"), 0, src, srcIndex + 19, 16);
        src[srcIndex + 34] = 0x00; // hex code

     * Test constructor with raw bytes.
     * Verifies that the AvPair type is correctly set and raw bytes are stored.
     */
    @Test
    void testConstructorWithRawBytes() {
        byte[] rawBytes = "TEST_TARGET_NAME".getBytes(StandardCharsets.UTF_16LE);
        AvTargetName avTargetName = new AvTargetName(rawBytes);

        // Verify the AvPair type is MsvAvTargetName

    assertTrue(sink.wasStreamClosed());
    assertArrayEquals(new byte[] {1, 2, 3, 4}, sink.getBytes());
  }

  public void testWrite_bytes() throws IOException {
    assertArrayEquals(new byte[0], sink.getBytes());
    sink.write(bytes);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());
    assertArrayEquals(bytes, sink.getBytes());
  }

  public void testWriteFrom_inputStream() throws IOException {

    assertTrue(sink.wasStreamClosed());
    assertArrayEquals(new byte[] {1, 2, 3, 4}, sink.getBytes());
  }

  public void testWrite_bytes() throws IOException {
    assertArrayEquals(new byte[0], sink.getBytes());
    sink.write(bytes);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());
    assertArrayEquals(bytes, sink.getBytes());
  }

  public void testWriteFrom_inputStream() throws IOException {

    @DisplayName("Should calculate HMAC-T64 correctly")
    void testHMACT64() {
        // Given
        byte[] key = "secret".getBytes();
        byte[] data = "Hello World".getBytes();

        // When
        MessageDigest hmac = Crypto.getHMACT64(key);
        byte[] result = hmac.digest(data);

        // Then
        assertNotNull(result);
        assertTrue(result.length > 0, "HMAC-T64 should produce non-empty result");

        // Test multiple calls to readDataWireFormat to ensure buffer is overwritten
        byte[] firstData = "First data set".getBytes();
        byte[] secondData = "Second data set".getBytes();
        byte[] buffer1 = new byte[100];
        byte[] buffer2 = new byte[100];

        System.arraycopy(firstData, 0, buffer1, 0, firstData.length);

        byte[] buffer = new byte[totalSize + 100];
        int bufferIndex = 0;
        int start = 0;

        // Write server name (16 bytes, null padded)
        byte[] nameBytes = serverName.getBytes(StandardCharsets.US_ASCII);
        System.arraycopy(nameBytes, 0, buffer, bufferIndex, Math.min(nameBytes.length, 15));
        bufferIndex += 16;

        // Write version major (1 byte)

            final MD4 md4 = new MD4();
            md4.update(password.getBytes(SmbConstants.UNI_ENCODING));
            HMACT64 hmac = new HMACT64(md4.digest());
            hmac.update(user.toUpperCase().getBytes(SmbConstants.UNI_ENCODING));
            hmac.update(domain.toUpperCase().getBytes(SmbConstants.UNI_ENCODING));
            hmac = new HMACT64(hmac.digest());
            hmac.update(challenge);

        descrField.setAccessible(true);
        String descr = (String) descrField.get(null);

        assertEquals("WrLeh\u0000B13BWz\u0000", descr);

        // Verify ASCII conversion
        byte[] descrBytes = descr.getBytes("ASCII");
        assertNotNull(descrBytes);
        assertEquals(13, descrBytes.length); // WrLeh(5) + null(1) + B13BWz(6) + null(1) = 13
    }

    @Test
    @DisplayName("Test writeSetupWireFormat returns 0")