package jcifs;

/**
 * Interface for objects that can be encoded to a byte buffer.
 * This interface provides methods for serializing data to SMB protocol messages.
 *
 * @author mbechler
 */
public interface Encodable {

    /**
     * Encodes this object into the specified byte array.
     *
     * @param dst the destination byte array to encode into
     * @param dstIndex the starting index in the destination array

        request = new Smb2SetInfoRequest(mockConfig);
        Encodable mockInfo = mock(Encodable.class);

        request.setInfo(mockInfo);

        // Verify info object was set
        Field infoField;
        try {
            infoField = Smb2SetInfoRequest.class.getDeclaredField("info");
            infoField.setAccessible(true);
            Encodable actualInfo = (Encodable) infoField.get(request);

        ByteEncodable encodable = new ByteEncodable(data, 1, 3);

        // Verify size
        assertEquals(3, encodable.size(), "Size should be equal to the specified length");
    }

    @Test
    void testEncodeBasic() {
        // Test basic encoding
        byte[] data = { 0x01, 0x02, 0x03, 0x04, 0x05 };
        ByteEncodable encodable = new ByteEncodable(data, 1, 3);

import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;

import jcifs.util.ByteEncodable;

@DisplayName("Encodable contract tests using ByteEncodable")
class EncodableTest {

    // Generates a few representative slices and destination indices.
    static Stream<Arguments> byteEncodableArgs() {
        return Stream.of(

     *            the file information to set
     */
    public <T extends FileInformation & Encodable> void setFileInformation(final T fi) {
        setInfoType(Smb2Constants.SMB2_0_INFO_FILE);
        setFileInfoClass(fi.getFileInformationLevel());
        setInfo(fi);
    }

    /**
     * Sets the encodable information object for this request
     *
     * @param info
     *            the info to set

    /**
     * Test that FileInformation can be used as both Decodable and Encodable
     */
    @Test
    @DisplayName("Test FileInformation as both Decodable and Encodable")
    void testFileInformationAsDecodableAndEncodable() throws SMBProtocolDecodingException {
        FileInformation fileInfo = new FileEndOfFileInformation(2048L);

        // Test as Encodable
        assertTrue(fileInfo instanceof jcifs.Encodable);

    void testSizeWithInputBuffer() {
        request = new Smb2QueryInfoRequest(mockConfig);

        // Set an input buffer using reflection
        Encodable mockInputBuffer = mock(Encodable.class);
        when(mockInputBuffer.size()).thenReturn(100);

        try {
            Field inputBufferField = Smb2QueryInfoRequest.class.getDeclaredField("inputBuffer");

 */
package jcifs.internal.smb2.nego;

import jcifs.Encodable;

/**
 * SMB2 Negotiate Context request data structure.
 *
 * This class represents negotiate contexts used in SMB 3.1.1
 * for capability negotiation and security enhancements.
 *
 * @author mbechler
 */
public interface NegotiateContextRequest extends Encodable {

    /**
     * Gets the negotiate context type.
     *

    private final int controlCode;
    private final byte[] outputBuffer;
    private int maxOutputResponse;
    private int maxInputResponse;
    private int flags;
    private Encodable inputData;
    private Encodable outputData;

    /**
     * Constructs an SMB2 IOCTL request with an unspecified file ID
     * @param config the client configuration
     * @param controlCode the IOCTL control code
     */

     * {@inheritDoc}
     *
     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode(final byte[] buffer, final int bufferIndex, final int len) throws SMBProtocolDecodingException {
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        return 8;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#size()
     */
    @Override