frameLength = (b1 and B1_MASK_LENGTH).toLong()
    if (frameLength == PAYLOAD_SHORT.toLong()) {
      frameLength = (source.readShort() and 0xffff).toLong() // Value is unsigned.
    } else if (frameLength == PAYLOAD_LONG.toLong()) {
      frameLength = source.readLong()
      if (frameLength < 0L) {
        throw ProtocolException(

                Arguments.of((IntGetter) FileEntry::getAttributes, 0, "no attributes"),
                Arguments.of((IntGetter) FileEntry::getAttributes, 0xFFFF, "many attributes"),

                Arguments.of((IntGetter) FileEntry::getFileIndex, -5, "negative index"),
                Arguments.of((IntGetter) FileEntry::getFileIndex, 0, "zero index"));
    }

        }

        @ParameterizedTest
        @DisplayName("Should encode consistently with various flag values")
        @ValueSource(ints = { 0, 1, 2, 4, 16, 0xFF, 0xFFFF, 0xFFFFFF, 0x7FFFFFFF, -1 })
        void testEncodingWithVariousFlags(int flags) {
            lock = new Smb2Lock(1024L, 2048L, flags);
            int encoded = lock.encode(buffer, 0);

    val version = fromSource.readByte() and 0xff
    if (version != VERSION_5) throw ProtocolException("unexpected version: $version")

    val command = fromSource.readByte() and 0xff

    val reserved = fromSource.readByte() and 0xff
    if (reserved != 0) throw ProtocolException("unexpected reserved: $reserved")

    val addressType = fromSource.readByte() and 0xff
    val toAddress =
      when (addressType) {

        String str = info.toString();
        assertTrue(str.contains(specialName));
        assertTrue(str.contains(specialRemark));
    }

    @Test
    @DisplayName("Test type masking with 0xFFFF")
    void testTypeMasking() {
        // Test that only lower 16 bits are considered for type determination
        int typeWithUpperBits = 0xFFFF0001; // Should be treated as type 1 (printer)

representation of the Unicode code point with the given integer value.
Values outside the range of valid Unicode code points are converted to <code>"\uFFFD"</code>.

<pre>
string('a')          // "a"
string(65)           // "A"
string('\xf8')       // "\u00f8" == "ø" == "\xc3\xb8"
string(-1)           // "\ufffd" == "\xef\xbf\xbd"

type myString string
myString('\u65e5')   // "\u65e5" == "日" == "\xe6\x97\xa5"
</pre>

     */
    public void enc_ndr_small(final int s) {
        buf[index] = (byte) (s & 0xFF);
        advance(1);
    }

    /**
     * Decodes a small integer (1 byte) from NDR format.
     *
     * @return the decoded small integer value
     */
    public int dec_ndr_small() {
        final int val = buf[index] & 0xFF;
        advance(1);
        return val;
    }

    /**

	SUBS	$0xffff0, R6, RSP                                // ERROR "illegal destination register"
	SUBS	$0x1000100010001000, R6, RSP                     // ERROR "illegal destination register"
	SUBS	$0x10001000100011, R6, RSP                       // ERROR "illegal destination register"
	SUBSW	$0xff, R6, RSP                                   // ERROR "illegal destination register"

            // Given
            byte[] buffer = new byte[60];
            SMBUtil.writeInt2(60, buffer, 0);
            SMBUtil.writeInt2(0xFFFF, buffer, 2); // Max flags
            SMBUtil.writeInt4(0xFFFFFFFF, buffer, 4); // Max reserved (ignored)
            SMBUtil.writeInt8(Long.MAX_VALUE, buffer, 8); // Max times

    "input": "ශ්‍රී",
    "output": "xn--10cl1a0b660p"
  },
  {
    "input": "نامه‌ای",
    "output": "xn--mgba3gch31f060k"
  },
  {
    "comment": "U+FFFD",
    "input": "\uFFFD.com",
    "output": null
  },
  {
    "comment": "U+FFFD character encoded in Punycode",
    "input": "xn--zn7c.com",
    "output": null
  },
  {
    "comment": "Label longer than 63 code points",