dst[dstIndex + OPCODE_OFFSET] = (byte) ((this.isResponse ? 0x80 : 0x00) + (this.opCode << 3 & 0x78)
                + (this.isAuthAnswer ? 0x04 : 0x00) + (this.isTruncated ? 0x02 : 0x00) + (this.isRecurDesired ? 0x01 : 0x00));
        dst[dstIndex + OPCODE_OFFSET + 1] =
                (byte) ((this.isRecurAvailable ? 0x80 : 0x00) + (this.isBroadcast ? 0x10 : 0x00) + (this.resultCode & 0x0F));

public class AvFlagsTest {

    /**
     * Test constructor with raw bytes.
     */
    @Test
    void testAvFlagsByteArrayConstructor() {
        // Test with a positive integer
        byte[] rawBytes = new byte[] { 0x01, 0x02, 0x03, 0x04 }; // Represents 0x04030201 (little-endian)
        AvFlags avFlags = new AvFlags(rawBytes);
        assertNotNull(avFlags, "AvFlags object should not be null");

            sid = readInt2(buffer, bufferIndex);
            bufferIndex += 2;
        }
        numEntries = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        isEndOfSearch = ((buffer[bufferIndex] & 0x01) == 0x01) == true;
        bufferIndex += 2;
        eaErrorOffset = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        lastNameOffset = readInt2(buffer, bufferIndex);
        bufferIndex += 2;

    }

    @Test
    @DisplayName("parsing malformed token throws IOException")
    void testMalformedToken() {
        byte[] bad = new byte[] { 0x01, 0x02, 0x03 }; // not a valid ASN.1 tagged object
        assertThrows(IOException.class, () -> new NegTokenTarg(bad), "Malformed byte[] should cause IOException");
    }

    @Test

    }

    /**
     * Test file attribute constants.
     */
    @Test
    @DisplayName("File attribute constants are correct")
    void fileAttributesTest() {
        assertEquals(0x01, SmbConstants.ATTR_READONLY);
        assertEquals(0x02, SmbConstants.ATTR_HIDDEN);
        assertEquals(0x04, SmbConstants.ATTR_SYSTEM);
        assertEquals(0x08, SmbConstants.ATTR_VOLUME);

        @DisplayName("Should write request structure correctly")
        void testWriteBytesWireFormat() {
            // Setup
            request.setPadding((byte) 2);
            request.setReadFlags((byte) 0x01);
            request.setReadLength(4096);
            request.setOffset(8192L);
            request.setMinimumCount(512);
            request.setRemainingBytes(1024);

            byte[] buffer = new byte[256];

	if err != nil {
		err = msgp.WrapError(err, "lastHandout")
		return
	}
	// write "u"
	err = en.Append(0xa1, 0x75)
	if err != nil {
		return
	}
	err = en.WriteTime(z.lastUpdate)
	if err != nil {
		err = msgp.WrapError(err, "lastUpdate")
		return
	}
	// write "b"
	err = en.Append(0xa1, 0x62)
	if err != nil {
		return
	}
	err = en.WriteString(z.bucket)
	if err != nil {

     */
    public static void makeSMBKey(final byte[] key7, final byte[] key8) {

        int i;

        key8[0] = (byte) (key7[0] >> 1 & 0xff);
        key8[1] = (byte) (((key7[0] & 0x01) << 6 | (key7[1] & 0xff) >> 2 & 0xff) & 0xff);
        key8[2] = (byte) (((key7[1] & 0x03) << 5 | (key7[2] & 0xff) >> 3 & 0xff) & 0xff);
        key8[3] = (byte) (((key7[2] & 0x07) << 4 | (key7[3] & 0xff) >> 4 & 0xff) & 0xff);

        // Mock times (8 bytes each)
        for (int i = 0; i < 32; i++) {
            buffer[i] = (byte) (i % 256);
        }

        // Mock attributes (4 bytes)
        buffer[32] = 0x01;
        buffer[33] = 0x00;
        buffer[34] = 0x00;
        buffer[35] = 0x00;

        return buffer;
    }

    private byte[] createMockFileStandardInfoBuffer() {

        assertEquals((byte) 0x34, dst[1]);
        assertEquals((byte) (0x80 | (NameServicePacket.QUERY << 3) | 0x04 | 0x02 | 0x01), dst[2]); // flags1
        assertEquals((byte) (0x80 | 0x10 | NameServicePacket.FMT_ERR), dst[3]); // flags2
        assertEquals((byte) 0x00, dst[4]); // questionCount
        assertEquals((byte) 0x01, dst[5]);
        assertEquals((byte) 0x00, dst[6]); // answerCount
        assertEquals((byte) 0x02, dst[7]);