}

        @Test
        @DisplayName("Should have correct fail immediately flag value")
        void testFailImmediatelyFlag() {
            assertEquals(0x10, Smb2Lock.SMB2_LOCKFLAG_FAIL_IMMEDIATELY);
        }

        @Test
        @DisplayName("Should allow flag combinations")
        void testFlagCombinations() {

                (byte) 0x67, (byte) 0x45, (byte) 0x23, (byte) 0x01
              },
              0x89abcdef,
              0x0123456789abcdefL,
              "efcdab8967452301"),
          new ExpectedHashCode(
              new byte[] {
                (byte) 0xef, (byte) 0xcd, (byte) 0xab, (byte) 0x89,
                (byte) 0x67, (byte) 0x45, (byte) 0x23,

        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();

        NegTokenInit parsed = new NegTokenInit(bytes);

        assertEquals("0A0B0C", Hexdump.toHexString(data3, 0, 6)); // 6 chars = 3 bytes

        // Test with offset - NOTE: srcIndex is ignored due to bug, it always starts from index 0
        byte[] data4 = { 0x00, 0x11, 0x22, 0x33, 0x44 };
        assertEquals("00", Hexdump.toHexString(data4, 1, 2)); // Bug: ignores srcIndex, reads from 0
        assertEquals("0011", Hexdump.toHexString(data4, 1, 4)); // Bug: ignores srcIndex, reads from 0

    // Simulate receiving a small dynamic table size update, that implies eviction.
    bytesIn.writeByte(0x3F) // Dynamic table size update (size = 55).
    bytesIn.writeByte(0x18)
    hpackReader!!.readHeaders()
    assertThat(hpackReader!!.headerCount).isEqualTo(1)
  }

  /** Header table backing array is initially 8 long, let's ensure it grows.  */
  @Test

  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(

        byte[] data = { 0x01, 0x02, 0x03, 0x04, 0x05 };
        ByteEncodable encodable = new ByteEncodable(data, 1, 3);

        // Verify size
        assertEquals(3, encodable.size(), "Size should be equal to the specified length");
    }

    @Test
    void testEncodeBasic() {
        // Test basic encoding
        byte[] data = { 0x01, 0x02, 0x03, 0x04, 0x05 };

    /**
     * SMB TRANS2 subcommand for querying path information
     */
    public static final byte TRANS2_QUERY_PATH_INFORMATION = (byte) 0x05;
    /**
     * SMB TRANS2 subcommand for getting DFS referrals
     */
    public static final byte TRANS2_GET_DFS_REFERRAL = (byte) 0x10;
    /**
     * SMB TRANS2 subcommand for querying file information
     */
    public static final byte TRANS2_QUERY_FILE_INFORMATION = (byte) 0x07;

        // Given
        int securityMode = 0x03;
        int capabilities = 0x0000000F;
        long previousSessionId = 0x123456789ABCDEF0L;
        byte[] token = { (byte) 0x11, (byte) 0x22, (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66, (byte) 0x77, (byte) 0x88 };

        Smb2SessionSetupRequest req = new Smb2SessionSetupRequest(mockContext, securityMode, capabilities, previousSessionId, token);

    void testWriteInt2() {
        byte[] dst = new byte[10];

        // Test with simple value
        SMBUtil.writeInt2(0x1234L, dst, 0);
        assertEquals((byte) 0x34, dst[0]);
        assertEquals((byte) 0x12, dst[1]);

        // Test with max value for 2 bytes
        SMBUtil.writeInt2(0xFFFFL, dst, 2);
        assertEquals((byte) 0xFF, dst[2]);
        assertEquals((byte) 0xFF, dst[3]);

        // Test with zero