// Given
            int testMid = 42;

            // When
            Constructor<SmbComNtCancel> constructor = SmbComNtCancel.class.getDeclaredConstructor(Configuration.class, int.class);
            constructor.setAccessible(true);
            SmbComNtCancel cancel = constructor.newInstance(mockConfig, testMid);

            // Then
            assertNotNull(cancel);

    }

    @Test
    @DisplayName("Test sign method with SmbComNtCancel request")
    void testSignWithNtCancelRequest() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey, false, 10);
        byte[] data = new byte[100];

        SmbComNtCancel cancelRequest = mock(SmbComNtCancel.class);

        digest.sign(data, 0, data.length, cancelRequest, null);

    }

    @Test
    @DisplayName("Test createCancel method returns SmbComNtCancel")
    void testCreateCancel() {
        // Set a MID for the transaction
        transaction.setMid(12345);

        // Create cancel request
        CommonServerMessageBlockRequest cancelRequest = transaction.createCancel();

        // Verify it returns an SmbComNtCancel instance
        assertNotNull(cancelRequest);

import jcifs.SmbConstants;
import jcifs.internal.CommonServerMessageBlock;
import jcifs.internal.SMBSigningDigest;
import jcifs.internal.smb1.com.SmbComReadAndXResponse;
import jcifs.internal.smb1.trans.nt.SmbComNtCancel;
import jcifs.internal.util.SMBUtil;
import jcifs.smb.NtlmPasswordAuthenticator;
import jcifs.smb.SmbException;
import jcifs.smb.SmbTransportInternal;
import jcifs.util.Crypto;
import jcifs.util.Hexdump;

/**