@Override
        public int decode(byte[] buffer, int bufferIndex, int len) throws SMBProtocolDecodingException {
            decodeCallCount++;
            if (throwOnDecode) {
                throw new SMBProtocolDecodingException("Test decode error");
            }
            if (buffer == null) {
                throw new SMBProtocolDecodingException("Buffer cannot be null");
            }
            if (bufferIndex < 0 || len < 0) {

            int bufferIndex = 0;
            SMBUtil.writeInt2(5, buffer, bufferIndex); // Invalid structure size

            // When & Then
            SMBProtocolDecodingException exception =
                    assertThrows(SMBProtocolDecodingException.class, () -> response.readBytesWireFormat(buffer, bufferIndex));
            assertEquals("Expected structureSize = 4", exception.getMessage());
        }

    }

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

     * @param len length of data to read
     * @return number of bytes read
     * @throws SMBProtocolDecodingException if decoding fails
     */
    protected abstract int readParametersWireFormat(byte[] buffer, int bufferIndex, int len) throws SMBProtocolDecodingException;

    /**
     * Reads data from wire format
     * @param buffer source buffer

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

import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;

@ExtendWith(MockitoExtension.class)
class SrvCopyChunkCopyResponseTest {

    private SrvCopyChunkCopyResponse response;

    @BeforeEach
    void setUp() {

        byte[] malformedBuffer = createBasicNegotiateResponseBuffer();
        // Set incorrect structure size (should be 65)
        SMBUtil.writeInt2(64, malformedBuffer, 0);

        SMBProtocolDecodingException exception = assertThrows(SMBProtocolDecodingException.class, () -> {
            response.readBytesWireFormat(malformedBuffer, 0);
        });

        assertTrue(exception.getMessage().contains("Structure size is not 65"));

        SMBUtil.writeInt2(0, buffer, 0);

        SMBProtocolDecodingException ex1 = assertThrows(SMBProtocolDecodingException.class, () -> response.readBytesWireFormat(buffer, 0));
        assertEquals("Structure size != 4", ex1.getMessage());

        // Test maximum 2-byte value (65535)
        SMBUtil.writeInt2(65535, buffer, 0);

    void testDecodeThrowsExceptionWhenLengthTooShort() {
        byte[] buffer = new byte[28];

        // Test with len = 23 (one byte too short)
        SMBProtocolDecodingException exception = assertThrows(SMBProtocolDecodingException.class, () -> response.decode(buffer, 0, 23),
                "Should throw exception when length < 24");

import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for FileInternalInfo
 */
class FileInternalInfoTest {

    private FileInternalInfo fileInternalInfo;

    @BeforeEach

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

    @Test
    @DisplayName("Test decode with maximum file name length")
    void testDecodeMaxFileNameLength() throws SMBProtocolDecodingException {
        // Create a very long filename (but within reasonable bounds)