0x2c,
      0x8,
      0x9,
      0x2d,
      0x77,
      0x78,
      0x79,
      0x7a,
      0x7b,
      0x7ffe,
      0x7fc,
      0x3ffd,
      0x1ffd,
      0xffffffc,
      0xfffe6,
      0x3fffd2,
      0xfffe7,
      0xfffe8,
      0x3fffd3,
      0x3fffd4,
      0x3fffd5,
      0x7fffd9,
      0x3fffd6,
      0x7fffda,
      0x7fffdb,

      }
    }

    // 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",

   * element content or {@link #xmlAttributeEscaper} in attribute values.
   *
   * <p>This escaper substitutes {@code 0xFFFD} for non-whitespace control characters and the
   * character values {@code 0xFFFE} and {@code 0xFFFF} which are not permitted in XML. For more
   * detail see section <a href="http://www.w3.org/TR/2008/REC-xml-20081126/#charsets">2.2</a> of
   * the XML specification.
   *

            int length = testBlock.encode(buffer, 0);

            assertTrue(length > 0);
            assertEquals(length, testBlock.getLength());
            // SMB_HEADER is {0xFF, 'S', 'M', 'B'}
            byte[] expectedHeader = { (byte) 0xFF, (byte) 'S', (byte) 'M', (byte) 'B' };
            assertArrayEquals(expectedHeader, java.util.Arrays.copyOfRange(buffer, 0, 4));
            assertEquals(0, buffer[SmbConstants.CMD_OFFSET]);

        assertEquals(0xFFFF, pdis.readUnsignedShort());
    }

    @Test
    public void testReadUnsignedInt() throws IOException {
        // Little-endian 0xFFFFFFFF -> 0xFF 0xFF 0xFF 0xFF
        byte[] data = new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals(0xFFFFFFFFL, pdis.readUnsignedInt());
    }

    @Test

      <match value="0xfffa" type="string" offset="0"/> <!-- V1, L3, CRC -->
      <match value="0xfffb" type="string" offset="0"/> <!-- V1, L3      -->
      <match value="0xfffc" type="string" offset="0"/> <!-- V1, L2, CRC -->
      <match value="0xfffd" type="string" offset="0"/> <!-- V1, L2      -->
      <match value="0xffe3" type="string" offset="0"/> <!-- MP3 2.5 from pronom     -->

      checkArgument(
          (port >= 0) && (port <= 0xffff), "port '%s' is out of range (0 <= port <= 0xffff)", port);
      checkArgument(
          (flags >= 0) && (flags <= 0xffff),
          "flags '%s' is out of range (0 <= flags <= 0xffff)",
          flags);

      this.server = MoreObjects.firstNonNull(server, ANY4);

    // Section prefix.
    sectionIndexBuffer.writeByte(section and 0x1fc000 shr 14)
    sectionIndexBuffer.writeByte((section and 0x3f80) shr 7)

    // Section index.
    sectionIndexBuffer.writeByte((sectionOffset and 0x3f80) shr 7)
    sectionIndexBuffer.writeByte(sectionOffset and 0x7f)

    // Ranges.
    for (range in sectionMappedRanges) {
      rangesBuffer.writeByte(range.rangeStart)

    void testNegativeFidValue() {
        int fid = -1; // Will be treated as 0xFFFF in unsigned 16-bit
        notifyChange = new NtTransNotifyChange(mockConfig, fid, FILE_NOTIFY_CHANGE_FILE_NAME, false);
        byte[] dst = new byte[10];

        notifyChange.writeSetupWireFormat(dst, 0);

        // Should write as 0xFFFF (65535 in unsigned)
        assertEquals(0xFFFF, SMBUtil.readInt2(dst, 4));
    }

    @Test

    void testLeaseKeyAccessors() {
        byte[] newKeyBytes = new byte[] { (byte) 0xFF, (byte) 0xFE, (byte) 0xFD, (byte) 0xFC, (byte) 0xFB, (byte) 0xFA, (byte) 0xF9,
                (byte) 0xF8, (byte) 0xF7, (byte) 0xF6, (byte) 0xF5, (byte) 0xF4, (byte) 0xF3, (byte) 0xF2, (byte) 0xF1, (byte) 0xF0 };
        Smb2LeaseKey newKey = new Smb2LeaseKey(newKeyBytes);

        leaseContext.setLeaseKey(newKey);