// size = number of hex characters to output
        // Each byte produces 2 hex characters

        // Test basic conversion (srcIndex is ignored in the implementation)
        byte[] data1 = { 0x00, 0x01, 0x02, 0x03 };
        assertEquals("00", Hexdump.toHexString(data1, 0, 2)); // 2 chars = 1 byte
        assertEquals("000", Hexdump.toHexString(data1, 0, 3)); // 3 chars = 1.5 bytes (rounds up to 2)

        }

        @Test
        @DisplayName("RPC_PT_FAULT should have correct value")
        void testRpcPtFault() {
            assertEquals(0x03, DcerpcConstants.RPC_PT_FAULT, "RPC_PT_FAULT should be 0x03");
        }

        @Test
        @DisplayName("RPC_PT_BIND should have correct value")
        void testRpcPtBind() {

	o = msgp.Require(b, z.Msgsize())
	// map header, size 3
	// string "id"
	o = append(o, 0x83, 0xa2, 0x69, 0x64)
	o = msgp.AppendString(o, z.DiskID)
	// string "m"
	o = append(o, 0xa1, 0x6d)
	o = msgp.AppendInt(o, z.ScanMode)
	// string "c"
	o = append(o, 0xa1, 0x63)
	if z.Cache == nil {
		o = msgp.AppendNil(o)
	} else {
		o, err = z.Cache.MarshalMsg(o)
		if err != nil {

    /**
     * Transaction subcommand for peeking data from a named pipe
     */
    public static final byte TRANS_PEEK_NAMED_PIPE = (byte) 0x23;
    /**
     * Transaction subcommand for waiting on a named pipe
     */
    public static final byte TRANS_WAIT_NAMED_PIPE = (byte) 0x53;
    /**
     * Transaction subcommand for calling a named pipe
     */
    public static final byte TRANS_CALL_NAMED_PIPE = (byte) 0x54;

        byte[] a = new byte[] { 0x01, 0x02, 0x03 };
        assertThrows(IndexOutOfBoundsException.class, () -\u003e NtlmMessage.readULong(a, 0));
    }

    @Test
    @DisplayName("readSecurityBuffer correctly extracts data")
    void testReadSecurityBuffer() {
        byte[] buf = new byte[8 + 4];
        byte[] payload = { 0x11, 0x22, 0x33, 0x44 };
        NtlmMessage.writeSecurityBuffer(buf, 0, 8, payload);

	o = msgp.AppendInt64(o, z.ActualSize)
	// string "ChecksumCRC32"
	o = append(o, 0xad, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d, 0x43, 0x52, 0x43, 0x33, 0x32)
	o = msgp.AppendString(o, z.ChecksumCRC32)
	// string "ChecksumCRC32C"
	o = append(o, 0xae, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d, 0x43, 0x52, 0x43, 0x33, 0x32, 0x43)
	o = msgp.AppendString(o, z.ChecksumCRC32C)

        assertEquals((byte) 0xEF, buffer[0]); // Little-endian
        assertEquals((byte) 0xCD, buffer[1]);
        assertEquals((byte) 0xAB, buffer[2]);
        assertEquals((byte) 0x89, buffer[3]);
        assertEquals((byte) 0x67, buffer[4]);
        assertEquals((byte) 0x45, buffer[5]);
        assertEquals((byte) 0x23, buffer[6]);
        assertEquals((byte) 0x01, buffer[7]);

        ndrBuffer.setIndex(0);

     */
    int RPC_PT_PING = 0x01;
    /**
     * Response packet type
     */
    int RPC_PT_RESPONSE = 0x02;
    /**
     * Fault packet type - indicates an error
     */
    int RPC_PT_FAULT = 0x03;
    /**
     * Bind packet type - establishes context
     */
    int RPC_PT_BIND = 0x0B;
    /**
     * Bind acknowledgment packet type
     */
    int RPC_PT_BIND_ACK = 0x0C;
    /**

Thus inside a string literal <code>\377</code> and <code>\xFF</code> represent
a single byte of value <code>0xFF</code>=255, while <code>ÿ</code>,
<code>\u00FF</code>, <code>\U000000FF</code> and <code>\xc3\xbf</code> represent
the two bytes <code>0xc3</code> <code>0xbf</code> of the UTF-8 encoding of character
U+00FF.
</p>

<pre class="ebnf">
string_lit             = raw_string_lit | interpreted_string_lit .

        assertEquals(0x00D7, SmbComTransaction.NET_SERVER_ENUM3);

        // Test TRANS subcommands
        assertEquals((byte) 0x23, SmbComTransaction.TRANS_PEEK_NAMED_PIPE);
        assertEquals((byte) 0x53, SmbComTransaction.TRANS_WAIT_NAMED_PIPE);
        assertEquals((byte) 0x54, SmbComTransaction.TRANS_CALL_NAMED_PIPE);