// Verify that flags are set correctly (DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG)
        // The actual values for DCERPC_FIRST_FRAG and DCERPC_LAST_FRAG are typically 0x01 and 0x02 respectively.
        int expectedFlags = 0x01 | 0x02; // DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG
        assertEquals(expectedFlags, msrpcSamrOpenDomain.getFlags(), "flags should be initialized to DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG");

        elementVector.add(new DERTaggedObject(0, new ASN1Integer(1))); // authType
        elementVector.add(new DERTaggedObject(1, new DEROctetString(new byte[] { 0x01, 0x02 }))); // authData
        authVector.add(new DERSequence(elementVector));

        byte[] token = new DERSequence(authVector).getEncoded();
        Map<Integer, KerberosKey> keys = new HashMap<>();

        // 2. WHEN

    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

        lenient().when(mockConfig.getOemEncoding()).thenReturn("UTF-8");

        // Setup mock name
        lenient().when(mockName.writeWireFormat(any(byte[].class), anyInt())).thenReturn(34);
        mockName.hexCode = 0x20;
        mockName.name = "TEST";
        mockName.scope = "test.scope";
    }

    @Test
    void constructor_shouldInitializeFieldsCorrectly() throws Exception {
        // Act

    byte[] data = {0x12, 0x34, 0x56, 0x78, 0x76, 0x54, 0x32, 0x10};
    ByteArrayDataInput in = ByteStreams.newDataInput(data);
    assertThat(in.readFloat()).isEqualTo(Float.intBitsToFloat(0x12345678));
    assertThat(in.readFloat()).isEqualTo(Float.intBitsToFloat(0x76543210));
  }

  public void testNewDataInput_readDouble() {
    byte[] data = {0x12, 0x34, 0x56, 0x78, 0x76, 0x54, 0x32, 0x10};

  const val FLAG_END_HEADERS = 0x4 // Used for headers and continuation.
  const val FLAG_END_PUSH_PROMISE = 0x4
  const val FLAG_PADDED = 0x8 // Used for headers and data.
  const val FLAG_PRIORITY = 0x20 // Used for headers.
  const val FLAG_COMPRESSED = 0x20 // Used for data.

  /** Lookup table for valid frame types. */
  private val FRAME_NAMES =
    arrayOf(
      "DATA",
      "HEADERS",
      "PRIORITY",
      "RST_STREAM",

        assertEquals(0xF, PacConstants.DEVICE_CLAIMS_TYPE, "DEVICE_CLAIMS_TYPE should be 0xF");

        // Verify PAC logon info constants
        assertEquals(0x20, PacConstants.LOGON_EXTRA_SIDS, "LOGON_EXTRA_SIDS should be 0x20");
        assertEquals(0x200, PacConstants.LOGON_RESOURCE_GROUPS, "LOGON_RESOURCE_GROUPS should be 0x200");

        // Verify cryptographic constants

            int bufferIndex = 0;

            // Write structure size (24)
            SMBUtil.writeInt2(24, buffer, bufferIndex);

            // Write oplock level at offset 2
            byte expectedOplockLevel = (byte) 0x02; // SMB2_OPLOCK_LEVEL_II
            buffer[bufferIndex + 2] = expectedOplockLevel;

            // Write reserved field (4 bytes at offset 4)
            bufferIndex += 4;

            // Write Reserved2 (4 bytes)

        // State 1: Generate Type 1 message
        context.initSecContext(new byte[0], 0, 0);

        // Create a mock Type 2 message (server challenge)
        byte[] serverChallenge = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
        int type2Flags = NtlmFlags.NTLMSSP_NEGOTIATE_NTLM | NtlmFlags.NTLMSSP_REQUEST_TARGET | NtlmFlags.NTLMSSP_NEGOTIATE_KEY_EXCH
                | NtlmFlags.NTLMSSP_NEGOTIATE_SIGN;

        // Tag [1] IMPLICIT, content is 0x01 0x02 0x03
        byte[] data = new byte[] { (byte) 0xA1, 0x03, 0x01, 0x02, 0x03 };
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        ASN1InputStream ais = new ASN1InputStream(bais);
        byte[] result = ASN1Util.readUnparsedTagged(1, 10, ais);
        assertArrayEquals(new byte[] { 0x01, 0x02, 0x03 }, result);
    }

    @Test