}
    }

    // Test that 0xFFFE and 0xFFFF are replaced with 0xFFFD
    assertEscaping(xmlEscaper, "\uFFFD", '\uFFFE');
    assertEscaping(xmlEscaper, "\uFFFD", '\uFFFF');

    assertEquals(
        "0xFFFE is forbidden and should be replaced during escaping",
        "[\uFFFD]",
        xmlEscaper.escape("[\ufffe]"));
    assertEquals(
        "0xFFFF is forbidden and should be replaced during escaping",

      cp >>>= 4;
      dest[4] = upperHexDigits[0x8 | (cp & 0x3)];
      cp >>>= 2;
      dest[2] = upperHexDigits[cp];
      return dest;
    } else if (cp <= 0x10ffff) {
      char[] dest = new char[12];
      // Four byte UTF-8 characters [cp >= 0xffff && cp <= 0x10ffff]
      // Start with "%F-%--%--%--" and fill in the blanks
      dest[0] = '%';
      dest[1] = 'F';
      dest[3] = '%';
      dest[6] = '%';

    val flags = buf.readShort().toInt() and 0xffff
    require(flags shr 15 != 0) { "not a response" }

    val responseCode = flags and 0xf

    if (responseCode == NXDOMAIN) {
      throw UnknownHostException("$hostname: NXDOMAIN")
    } else if (responseCode == SERVFAIL) {
      throw UnknownHostException("$hostname: SERVFAIL")
    }

    val questionCount = buf.readShort().toInt() and 0xffff

     * - Tab (0x9)
     * - Line feed (0xA)
     * - Carriage return (0xD)
     * - Any character between 0x20 and 0xD7FF
     * - Any character between 0xE000 and 0xFFFD
     * - Any character between 0x10000 and 0x10FFFF
     *
     * @param in the input string to be processed
     * @return a new string with invalid XML characters removed, or the original

        long data4 = bb2.getLong();

        // Construct UUID from components - Java UUID expects big-endian representation
        long mostSig = ((long) data1 << 32) | ((long) (data2 & 0xFFFF) << 16) | (data3 & 0xFFFF);
        long leastSig = data4;

        this.guid = new UUID(mostSig, leastSig);
    }

    /**
     * Create a handle GUID from existing UUID
     * @param uuid the UUID to wrap
     */

     *
     * @return the major version
     */
    public int getMajorVersion() {
        return (version >> 16) & 0xFFFF;
    }

    /**
     * Gets the minor version number.
     *
     * @return the minor version
     */
    public int getMinorVersion() {
        return version & 0xFFFF;
    }

    static Stream<org.junit.jupiter.params.provider.Arguments> validInputs() {
        return Stream.of(org.junit.jupiter.params.provider.Arguments.of(0x0001, 0x00000000),
                org.junit.jupiter.params.provider.Arguments.of(0xFFFF, 0x12345678),
                org.junit.jupiter.params.provider.Arguments.of(-1, -123456));
    }

    @ParameterizedTest
    @MethodSource("validInputs")

        assertArrayEquals(new byte[] { (byte) 0xFF, (byte) 0xFF }, dst, "Negative sid should wrap to 0xFFFF");
    }

    @Test
    void testWriteParameterWordsWithOffset() {
        byte[] dst = new byte[5];
        int written = instance.writeParameterWordsWireFormat(dst, 3);
        assertEquals(2, written);
        assertEquals((byte) (TEST_SID & 0xFF), dst[3]);
        assertEquals((byte) ((TEST_SID >> 8) & 0xFF), dst[4]);

        // Assert
        assertNotNull(trans);
        assertEquals(0, trans.maxParameterCount);
        assertEquals(0xFFFF, trans.maxDataCount);
        assertEquals(0x00, trans.maxSetupCount);
        assertEquals(2, trans.setupCount);
        assertEquals("\\PIPE\\", trans.name);
    }

    @Test

        assertEquals(30000, SmbConstants.DEFAULT_RESPONSE_TIMEOUT);
        assertEquals(35000, SmbConstants.DEFAULT_SO_TIMEOUT);
        assertEquals(0xFFFF, SmbConstants.DEFAULT_RCV_BUF_SIZE);
        assertEquals(0xFFFF, SmbConstants.DEFAULT_SND_BUF_SIZE);
        assertEquals(250, SmbConstants.DEFAULT_SSN_LIMIT);
        assertEquals(35000, SmbConstants.DEFAULT_CONN_TIMEOUT);