}

        return dstIndex - start;
    }

    @Override
    public int decode(byte[] buffer, int bufferIndex, int len) throws SMBProtocolDecodingException {
        if (len < 8) {
            throw new SMBProtocolDecodingException("Invalid compression context length: " + len);
        }

        int start = bufferIndex;

        // Read compression count

     * @throws SMBProtocolDecodingException if decoding fails
     */
    protected int readErrorResponse(final byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
        final int start = bufferIndex;
        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (structureSize != 9) {
            throw new SMBProtocolDecodingException("Error structureSize should be 9");
        }

import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;

/**
 * Test class for NegotiateContextRequest interface and its implementations
 */
@ExtendWith(MockitoExtension.class)
class NegotiateContextRequestTest {

    @Mock

        return data.length;
    }

    @Override
    public int decode(byte[] buffer, int bufferIndex, int len) throws SMBProtocolDecodingException {
        if (len < 20) {
            throw new SMBProtocolDecodingException("Invalid RDMA Transform Capabilities context length: " + len);
        }

        int start = bufferIndex;

        transformCount = SMBUtil.readInt2(buffer, bufferIndex);

    }

    /**
     * {@inheritDoc}
     *
     * @throws SMBProtocolDecodingException
     *             if the response data is malformed
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
     */
    @Override
    protected int readBytesWireFormat(final byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
        final int start = bufferIndex;

        SMBUtil.writeInt2(20, buffer, 42); // byteCount

        assertThrows(SMBProtocolDecodingException.class, () -> {
            testBlock.decode(buffer, 0);
        });
    }

    @Test
    @DisplayName("Test decode NT_CREATE_ANDX extended response")
    void testDecodeNTCreateAndXExtended() throws SMBProtocolDecodingException {

     */
    @Override
    protected int readBytesWireFormat(final byte[] buffer, final int bufferIndex) throws SMBProtocolDecodingException {
        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (structureSize != 4) {
            throw new SMBProtocolDecodingException("Expected structureSize = 4");
        }
        return 4;
    }

    public int getLeaseFlags() {
        return leaseFlags;
    }

    @Override
    public int decode(byte[] buffer, int bufferIndex, int len) throws SMBProtocolDecodingException {
        int start = bufferIndex;

        if (len < 32) {
            throw new SMBProtocolDecodingException("Lease V1 context data too short: " + len);
        }

        // Read lease V1 data (32 bytes)
        byte[] keyBytes = new byte[16];

     */
    @Override
    protected int readBytesWireFormat(final byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
        final int start = bufferIndex;
        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (structureSize != 24) {
            throw new SMBProtocolDecodingException("Expected structureSize = 24");
        }

        this.oplockLevel = buffer[bufferIndex + 2];

            response.setDigest(mockDigest);
            when(mockDigest.verify(buffer, 0, 100, 0, response)).thenReturn(true);

            SMBProtocolDecodingException exception =
                    assertThrows(SMBProtocolDecodingException.class, () -> response.haveResponse(buffer, 0, 100));

            assertTrue(exception.getMessage().contains("Signature verification failed"));
        }
    }