SMBUtil.writeInt4(length, dst, dstIndex + 12);
        return 16;
    }

    /**
     * Decode from byte array
     *
     * @param buffer source buffer
     * @param bufferIndex starting index
     * @return decoded transform
     */
    public static Smb2RdmaTransform decode(byte[] buffer, int bufferIndex) {
        long offset = SMBUtil.readInt8(buffer, bufferIndex);

        if (rem == 0) {
            return 0;
        }
        return 8 - rem;
    }

    @Override
    public int decode(final byte[] buffer, final int bufferIndex) throws SMBProtocolDecodingException {
        return decode(buffer, bufferIndex, false);
    }

    /**
     * Decodes the SMB2 message from the buffer.
     *
     * @param buffer the buffer containing the message

        Smb2IoctlResponse resp = new Smb2IoctlResponse(config);

        int read = resp.decode(packet, 0);
        assertTrue(read >= packet.length, "Decoded length should cover entire packet");
        assertNotNull(resp.getErrorData(), "Error data should be decoded");
        assertEquals(3, resp.getErrorData().length);
        assertEquals(2, resp.getErrorContextCount());

        return permission;
    }

    /**
     * Decodes a search role format string back to a permission string.
     * Reverses the encoding process to restore original permission format.
     *
     * @param value the encoded permission string to decode
     * @return the decoded permission string, or null if the input is blank or invalid
     */
    public String decode(final String value) {
        if (StringUtil.isBlank(value)) {

            Arrays.fill(buffer2, (byte) 0x22);

            // First decode
            response.decode(buffer1, 0, 50);
            byte[] data1 = response.getData();

            // Second decode should overwrite
            response.decode(buffer2, 10, 60);
            byte[] data2 = response.getData();

            // Verify second decode overwrote first
            assertEquals(60, data2.length);

 */
package jcifs.internal.dfs;

import java.util.Arrays;

import jcifs.Decodable;
import jcifs.internal.util.SMBUtil;

/**
 * DFS (Distributed File System) referral response buffer parser.
 * Decodes server responses to DFS referral requests, extracting information about
 * available DFS targets, path consumption details, and referral flags.
 *
 * @author mbechler
 */

    }

    @Test
    @DisplayName("Test decode with valid single entry")
    void testDecodeValidSingleEntry() throws SMBProtocolDecodingException {
        String fileName = "document.pdf";
        int action = FileNotifyInformation.FILE_ACTION_MODIFIED;
        byte[] buffer = createValidNotificationBuffer(fileName, action);

        int bytesRead = notifyInfo.decode(buffer, 0, buffer.length);

        assertTrue(bytesRead > 0);

            for (int i = 0; i < padding; i++) {
                buf.enc_ndr_small(0);
            }
        }
    }

    /**
     * Decodes a wide string pointer from NDR format.
     *
     * @param buf the NDR buffer
     * @return the decoded string (or null if NULL pointer)
     * @throws NdrException if decoding fails
     */
    private String decodeWideStringPointer(NdrBuffer buf) throws NdrException {

        NetworkInterfaceInfo decoded = NetworkInterfaceInfo.decode(encoded, 0);
        assertEquals(nic.getInterfaceIndex(), decoded.getInterfaceIndex());
        assertEquals(nic.getLinkSpeed(), decoded.getLinkSpeed());
        assertEquals(nic.isRssCapable(), decoded.isRssCapable());
    }

    @Test
    void testChannelInfoCreation() throws Exception {

        originalContext.encode(buffer, 0);

        // Create a new context and decode
        DirectoryLeaseContext decodedContext = new DirectoryLeaseContext(new Smb2LeaseKey(), 0, DirectoryCacheScope.IMMEDIATE_CHILDREN);
        decodedContext.decode(buffer, 0, buffer.length);

        // Verify decoded values
        assertArrayEquals(originalKey.getKey(), decodedContext.getLeaseKey().getKey());