assertTrue(packetType >= 0x00 && packetType <= 0x16,
                        String.format("Packet type 0x%02X should be in valid range 0x00-0x16", packetType));
            }
        }

        @Test
        @DisplayName("Fragment flags should be within byte range")
        void testFragmentFlagsRange() {
            // Verify that fragment flags are within byte range (0x00-0xFF)

     */
    @Test
    void testPipeTypeTransact() {
        assertEquals(0x0200, SmbPipeResource.PIPE_TYPE_TRANSACT, "PIPE_TYPE_TRANSACT should be 0x0200");
    }

    /**
     * Test if the PIPE_TYPE_DCE_TRANSACT constant has the correct value.
     */
    @Test
    void testPipeTypeDceTransact() {
        assertEquals(0x0200 | 0x0400, SmbPipeResource.PIPE_TYPE_DCE_TRANSACT, "PIPE_TYPE_DCE_TRANSACT should be 0x0600");
    }

        byte[] value = avSingleHost.getRaw();
        assertNotNull(value);
        assertEquals(48, value.length);

        // Verify customData part
        byte[] expectedCustomData = { 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
        byte[] actualCustomData = new byte[8];
        System.arraycopy(value, 8, actualCustomData, 0, 8);
        assertArrayEquals(expectedCustomData, actualCustomData);

     */

    int PIPE_TYPE_TRANSACT = 0x0200;

    /**
     * Pipe is used for DCE
     */
    int PIPE_TYPE_DCE_TRANSACT = 0x0200 | 0x0400;

    /**
     * Pipe should use it's own exclusive transport connection
     */
    int PIPE_TYPE_UNSHARED = 0x800;

    /**
     * Gets the type of this pipe.
     *
     * @return the type of the pipe
     */

    private static final int FLAGS_REQUEST_BATCH_OPLOCK = 0x04;

    // Access Mode Encoding for desiredAccess
    private static final int SHARING_COMPATIBILITY = 0x00;
    private static final int SHARING_DENY_READ_WRITE_EXECUTE = 0x10;
    private static final int SHARING_DENY_WRITE = 0x20;
    private static final int SHARING_DENY_READ_EXECUTE = 0x30;
    private static final int SHARING_DENY_NONE = 0x40;

 */
public class NameServiceClientImpl implements Runnable, NameServiceClient {

    private static final int NAME_SERVICE_UDP_PORT = 137;

    static final byte[] UNKNOWN_MAC_ADDRESS = { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

    private static final Logger log = LoggerFactory.getLogger(NameServiceClientImpl.class);

    private final Object LOCK = new Object();

    private int nbnsIndex = 0;

     * @param host the hostname to resolve
     * @return the resolved NbtAddress or null if not found
     */

    public synchronized static NbtAddress getByName(final String host) {
        return getByName(new Name(host, 0x20, null));
    }

    synchronized static NbtAddress getByName(final Name name) {
        NbtAddress result = null;

        try {
            if (FILENAME != null) {

        assertEquals(0x1234L, resp.getCount(), "Count should reflect value from buffer");
    }

    @Test
    public void testToStringContainsCount() {
        // Little-endian: count = 512 (0x0200)
        byte[] buf = new byte[12];
        buf[0] = 0x00;
        buf[1] = 0x02; // count = 512 in little-endian
        resp.readParameterWordsWireFormat(buf, 0);
        String str = resp.toString();

    void testEncode() {
        byte[] testBytes = new byte[] { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, (byte) 0x88, (byte) 0x99, (byte) 0xAA, (byte) 0xBB,
                (byte) 0xCC, (byte) 0xDD, (byte) 0xEE, (byte) 0xFF, 0x00 };

        Smb2LeaseKey key = new Smb2LeaseKey(testBytes);
        byte[] buffer = new byte[20];

        key.encode(buffer, 2);

        for (int i = 0; i < 16; i++) {

     */
    int DCERPC_CONC_MPX = 0x10; /* supports concurrent multiplexing */
    /**
     * Did not execute flag - indicates request was not executed
     */
    int DCERPC_DID_NOT_EXECUTE = 0x20;
    /**
     * Maybe flag - indicates 'maybe' call semantics requested
     */
    int DCERPC_MAYBE = 0x40; /* `maybe' call semantics requested */
    /**