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 SmbInfoAllocation
 */
class SmbInfoAllocationTest {

    private SmbInfoAllocation smbInfoAllocation;

    @BeforeEach

            byte[] buffer = new byte[60];
            SMBUtil.writeInt2(100, buffer, 0); // Invalid structure size

            // When & Then
            SMBProtocolDecodingException exception =
                    assertThrows(SMBProtocolDecodingException.class, () -> response.readBytesWireFormat(buffer, 0));
            assertEquals("Expected structureSize = 60", exception.getMessage());
        }

        @ParameterizedTest

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

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 SrvPipePeekResponse
 * Tests the decoding of FSCTL_PIPE_PEEK response according to MS-FSCC 2.3.29
 */
class SrvPipePeekResponseTest {

import java.util.Arrays;

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 ValidateNegotiateInfoResponse
 */
class ValidateNegotiateInfoResponseTest {

    private ValidateNegotiateInfoResponse response;

            int bufferIndex = 100;

            // Write invalid structure size = 8
            SMBUtil.writeInt2(8, buffer, bufferIndex);

            SMBProtocolDecodingException exception =
                    assertThrows(SMBProtocolDecodingException.class, () -> echoResponse.readBytesWireFormat(buffer, bufferIndex));

            assertEquals("Expected structureSize = 4", exception.getMessage());
        }

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;

/**
 * Test class for FileBasicInfo
 */
class FileBasicInfoTest {

    private FileBasicInfo fileBasicInfo;
    // Use realistic time values in milliseconds since 1970 (Unix epoch)

        SMBUtil.writeInt2(10, buffer, bufferIndex);

        SMBProtocolDecodingException exception =
                assertThrows(SMBProtocolDecodingException.class, () -> response.readBytesWireFormat(buffer, bufferIndex),
                        "Should throw SMBProtocolDecodingException for invalid structure size");

        assertEquals("Expected structureSize = 9", exception.getMessage());
    }

        return 0;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) throws SMBProtocolDecodingException {
        if (len > this.outputBuffer.length) {
            throw new SMBProtocolDecodingException("Payload exceeds buffer size");
        }
        System.arraycopy(buffer, bufferIndex, this.outputBuffer, 0, len);
        return len;
    }

    @Override

        final int start = bufferIndex;
        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (structureSize == 9) {
            return this.readErrorResponse(buffer, bufferIndex);
        }
        if (structureSize != 17) {
            throw new SMBProtocolDecodingException("Expected structureSize = 17");
        }

     * @param bufferIndex the starting index in the buffer
     * @param len the maximum length of data to decode
     * @return decoded length
     * @throws SMBProtocolDecodingException if decoding fails
     */
    int decode(byte[] buffer, int bufferIndex, int len) throws SMBProtocolDecodingException;