byte[] src = { (byte) 0x00, (byte) 0x01, (byte) 0xFF, (byte) 0xFF };
        int length = SessionServicePacket.readLength(src, 0);

        assertEquals(0x01FFFF, length);
    }

    @Test
    @DisplayName("readLength should handle zero length")
    void testReadLengthZero() {
        byte[] src = { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

     */
    @Test
    void testConstructorWithMalformedKerberosToken() throws IOException {
        byte[] malformedToken = createGssApiWrapper(new ASN1ObjectIdentifier(KerberosConstants.KERBEROS_OID), new byte[] { 0x00, 0x00 });
        assertThrows(PACDecodingException.class, () -> new KerberosToken(malformedToken));
    }

    /**
     * Test constructor with missing APPLICATION tag in the token.
     *

        assertEquals(SmbComTransaction.SMB_COM_TRANSACTION, resp1.getCommand());

        // Test with NT_TRANSACT command
        TestSmbComTransactionResponse resp2 =
                new TestSmbComTransactionResponse(mockConfig, SmbComTransaction.SMB_COM_NT_TRANSACT, (byte) 0x02);
        assertEquals(SmbComTransaction.SMB_COM_NT_TRANSACT, resp2.getCommand());

        // 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");

                // negative fid wraps around, lastWriteTime = 1000 -> 1 second -> int value 1
                Arguments.of(-1, 1000L, new byte[] { (byte) 0xFF, (byte) 0xFF, 0x01, 0x00, 0x00, 0x00 }));
    }

    /**
     * When lastWriteTime is zero the encoded unsigned time must be all 1s.
     */
    @Test
    @DisplayName("edge: writeParameterWordsWireFormat with lastWriteTime=0")

        assertEquals(34, bytesRead);

        // Assert that the serverData fields are populated correctly
        assertEquals(0, response.dialectIndex);
        assertEquals(0x0F, serverData.securityMode);
        assertEquals(0x01, serverData.security);
        assertTrue(serverData.encryptedPasswords);
        assertTrue(serverData.signaturesEnabled);
        assertTrue(serverData.signaturesRequired);

 *
 * @see       java.io.File
 */

public class SmbFile extends URLConnection implements SmbConstants {

    static final int O_RDONLY = 0x01;
    static final int O_WRONLY = 0x02;
    static final int O_RDWR = 0x03;
    static final int O_APPEND = 0x04;

    // Open Function Encoding
    // create if the file does not exist
    static final int O_CREAT = 0x0010;
    // fail if the file exists

        int bodyStart = headerStart + Smb2Constants.SMB2_HEADER_LENGTH;
        // Error response structure: size(2)=9, errorContextCount(1), reserved(1), bc(4), errorData(bc)
        SMBUtil.writeInt2(9, buf, bodyStart);
        buf[bodyStart + 2] = 0x02; // errorContextCount
        buf[bodyStart + 3] = 0x00; // reserved
        int bc = 4;

        int bytesWritten = request.writeBytesWireFormat(buffer, offset);

        // Then
        assertEquals(4, bytesWritten);

        // Expected wire format: [0x04, 0x00, 0x00, 0x00]
        byte[] expected = new byte[] { 0x04, 0x00, 0x00, 0x00 };
        assertArrayEquals(expected, buffer);
    }

    @Test
    @DisplayName("Should always return 0 for readBytesWireFormat")
    void testReadBytesWireFormat() {

        // Given
        byte[] buffer = new byte[256];

        // Write exact structure size value (4)
        buffer[0] = 0x04;
        buffer[1] = 0x00;
        buffer[2] = 0x00;
        buffer[3] = 0x00;

        // When
        int bytesRead = response.readBytesWireFormat(buffer, 0);

        // Then
        assertEquals(4, bytesRead);
    }