return null;
                }
                return (long) Encdec.dec_uint64le(this.sbuf, 28);
            }

            if (this.sbuf[0] == (byte) 0x00 && this.sbuf[1] == (byte) 0x00 && this.sbuf[4] == (byte) 0xFF && this.sbuf[5] == (byte) 'S'
                    && this.sbuf[6] == (byte) 'M' && this.sbuf[7] == (byte) 'B') {
                break; /* all good (SMB) */
            }

     * a directory
     */
    public static final int ATTR_DIRECTORY = 0x10;
    /**
     * A file with this bit on as returned by {@code getAttributes()} or set
     * with {@code setAttributes()} is an archived file
     */
    public static final int ATTR_ARCHIVE = 0x20;

    // extended file attribute encoding(others same as above)
    static final int ATTR_COMPRESSED = 0x800;

	r13 := new(rot13Reader)
	r13.r = r
	return r13
}

func (r13 *rot13Reader) Read(p []byte) (int, error) {
	n, err := r13.r.Read(p)
	for i := 0; i < n; i++ {
		c := p[i] | 0x20 // lowercase byte
		if 'a' <= c && c <= 'm' {
			p[i] += 13
		} else if 'n' <= c && c <= 'z' {
			p[i] -= 13
		}
	}
	return n, err
}

// Call ReadByte to accumulate the text of a file

              new byte[] {(byte) 0xcd, (byte) 0xab, (byte) 0x00, (byte) 0x00},
              0x0000abcd,
              null,
              "cdab0000"),
          new ExpectedHashCode(
              new byte[] {
                (byte) 0xef, (byte) 0xcd, (byte) 0xab, (byte) 0x00,
                (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
              },
              0x00abcdef,
              0x0000000000abcdefL,

        @Test
        @DisplayName("Various byte values are converted to uppercase hex")
        void testHexConversion() {
            byte[] challenge = new byte[] { (byte) 0x00, (byte) 0x0F, (byte) 0x10, (byte) 0x7F, (byte) 0x80, (byte) 0xFF };
            UniAddress dc = mock(UniAddress.class);
            when(dc.toString()).thenReturn("DC");

            NtlmChallenge nc = new NtlmChallenge(challenge, dc);

    // flags

    static final int FLAGS_CLOSE_AFTER_THIS_REQUEST = 0x01;
    static final int FLAGS_CLOSE_IF_END_REACHED = 0x02;
    static final int FLAGS_RETURN_RESUME_KEYS = 0x04;
    static final int FLAGS_RESUME_FROM_PREVIOUS_END = 0x08;
    static final int FLAGS_FIND_WITH_BACKUP_INTENT = 0x10;

    private final int searchAttributes;
    private final int tflags;
    private final int informationLevel;

    void flagsTest() {
        assertEquals(0x00, SmbConstants.FLAGS_NONE);
        assertEquals(0x08, SmbConstants.FLAGS_PATH_NAMES_CASELESS);
        assertEquals(0x10, SmbConstants.FLAGS_PATH_NAMES_CANONICALIZED);
        assertEquals(0x80, SmbConstants.FLAGS_RESPONSE);
    }

    /**
     * Test interaction with SmbTransport using Mockito.
     * This demonstrates mocking capabilities for testing.
     */
    @Test

        // Verify content
        assertArrayEquals(new byte[] { 0x02, 0x03, 0x04, 0x00, 0x00 }, dest, "Encoded bytes should match the expected subset");
    }

    @Test
    void testEncodeWithOffset() {
        // Test encoding with a destination offset
        byte[] data = { 0x01, 0x02, 0x03, 0x04, 0x05 };
        ByteEncodable encodable = new ByteEncodable(data, 0, 3);

  public void testCollisionsDueToIncorrectSignExtension() {
    byte[] col1 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0x80};
    byte[] col2 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0x81};
    byte[] col3 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0xff};

    ImmutableSet<HashCode> hashCodes =
        ImmutableSet.of(

        int flags = NegTokenInit.DELEGATION | NegTokenInit.MUTUAL_AUTHENTICATION | NegTokenInit.INTEGRITY;
        byte[] mechToken = new byte[] { 0x01, 0x02, 0x03 };
        byte[] mic = new byte[] { (byte) 0xFE, 0x55 };

        NegTokenInit init = new NegTokenInit(mechs, flags, mechToken, mic);
        byte[] bytes = init.toByteArray();