TestNegotiateContextRequest request2 = new TestNegotiateContextRequest(0x2);
            TestNegotiateContextRequest request3 = new TestNegotiateContextRequest(Integer.MAX_VALUE);

            assertEquals(0x1, request1.getContextType());
            assertEquals(0x2, request2.getContextType());
            assertEquals(Integer.MAX_VALUE, request3.getContextType());
        }

        @Test

    @DisplayName("Should return correct share type constants")
    void testShareTypeConstants() {
        // Then
        assertEquals((byte) 0x1, Smb2TreeConnectResponse.SMB2_SHARE_TYPE_DISK);
        assertEquals((byte) 0x2, Smb2TreeConnectResponse.SMB2_SHARE_TYPE_PIPE);
        assertEquals((byte) 0x3, Smb2TreeConnectResponse.SMB2_SHARE_TYPE_PRINT);
    }

    @Test
    @DisplayName("Should return correct share flag constants")

    /**
     * Impersonation level - server can impersonate the client's security context on the local system
     */
    public static final int SMB2_IMPERSONATION_LEVEL_IMPERSONATION = 0x2;

    /**
     * Delegate impersonation level - server can impersonate the client's security context on remote systems
     */
    public static final int SMB2_IMPERSONATION_LEVEL_DELEGATE = 0x3;

    /**

        assertEquals(0x2, Smb2CreateRequest.SMB2_IMPERSONATION_LEVEL_IMPERSONATION);
        assertEquals(0x3, Smb2CreateRequest.SMB2_IMPERSONATION_LEVEL_DELEGATE);
    }

    @Test
    @DisplayName("Test file share constants")
    void testFileShareConstants() {
        assertEquals(0x1, Smb2CreateRequest.FILE_SHARE_READ);
        assertEquals(0x2, Smb2CreateRequest.FILE_SHARE_WRITE);

        }

        @Test
        @DisplayName("Leasing capability should be 0x2")
        void testGlobalCapLeasing() {
            assertEquals(0x2, Smb2Constants.SMB2_GLOBAL_CAP_LEASING, "Leasing capability must be 0x2");
        }

        @Test
        @DisplayName("Large MTU capability should be 0x4")
        void testGlobalCapLargeMtu() {

        @Test
        @DisplayName("Should have correct constant values")
        void testConstantValues() {
            assertEquals(0x2, EncryptionNegotiateContext.NEGO_CTX_ENC_TYPE);
            assertEquals(0x1, EncryptionNegotiateContext.CIPHER_AES128_CCM);
            assertEquals(0x2, EncryptionNegotiateContext.CIPHER_AES128_GCM);
        }
    }

    @Nested
    @DisplayName("Edge Case Tests")

        for (int i = 0; i < fileId.length; i++)
            fileId[i] = (byte) (i + 1);

        byte[] header = buildSmb2Header();
        byte[] body = buildCreateBodyNoContexts((byte) 0x7, (byte) 0x2, 0x11223344, 1111L, 2222L, 3333L, 4444L, 123456789L, 987654321L,
                0xA5A5A5A5, fileId);
        byte[] packet = buildPacket(header, body, null, null);

        int read = resp.decode(packet, 0, false);

        void testEncryptionConstants() {
            assertEquals(0x2, EncryptionNegotiateContext.NEGO_CTX_ENC_TYPE);
            assertEquals(0x1, EncryptionNegotiateContext.CIPHER_AES128_CCM);
            assertEquals(0x2, EncryptionNegotiateContext.CIPHER_AES128_GCM);
        }
    }

        }

        @Test
        @DisplayName("Should have correct exclusive lock flag value")
        void testExclusiveLockFlag() {
            assertEquals(0x2, Smb2Lock.SMB2_LOCKFLAG_EXCLUSIVE_LOCK);
        }

        @Test
        @DisplayName("Should have correct unlock flag value")
        void testUnlockFlag() {

abstract class NameServicePacket {

    // opcode
    static final int QUERY = 0;
    static final int WACK = 7;

    // rcode
    static final int FMT_ERR = 0x1;
    static final int SRV_ERR = 0x2;
    static final int IMP_ERR = 0x4;
    static final int RFS_ERR = 0x5;
    static final int ACT_ERR = 0x6;
    static final int CFT_ERR = 0x7;

    // type/class
    static final int NB_IN = 0x00200001;