import com.google.common.annotations.J2ktIncompatible;
import java.nio.Buffer;

/**
 * Wrappers around {@link Buffer} methods that are covariantly overridden in Java 9+. See
 * https://github.com/google/guava/issues/3990
 */
@J2ktIncompatible
@GwtIncompatible
final class Java8Compatibility {
  static void clear(Buffer b) {
    b.clear();
  }

  static void flip(Buffer b) {
    b.flip();
  }

        byte[] buffer = new byte[512];
        int bufferIndex = 0;

        // Set structure size to 9 (valid)
        SMBUtil.writeInt2(9, buffer, bufferIndex);
        // Set buffer offset (relative to header start)
        SMBUtil.writeInt2(80, buffer, bufferIndex + 2);
        // Set buffer length (empty directory)
        SMBUtil.writeInt4(0, buffer, bufferIndex + 4);

        try {
            final FileChannel channel = is.getChannel();
            final ByteBuffer buffer = ByteBuffer.allocate((int) ChannelUtil.size(channel));
            ChannelUtil.read(channel, buffer);
            return buffer.array();
        } finally {
            CloseableUtil.close(is);
        }
    }

    /**

    }

    @Test
    @DisplayName("Test constructor with buffer decodes correctly")
    void testConstructorWithBuffer() throws IOException {
        // Create test buffer with notification data
        byte[] buffer = createValidNotificationBuffer("testfile.txt", FileNotifyInformation.FILE_ACTION_ADDED);

        FileNotifyInformationImpl info = new FileNotifyInformationImpl(buffer, 0, buffer.length);

        assertNotNull(info);

    int slen = s.length();

    // Get a destination buffer and setup some loop variables.
    char[] dest = Platform.charBufferFromThreadLocal();
    int destSize = dest.length;
    int destIndex = 0;
    int lastEscape = 0;

    // Loop through the rest of the string, replacing when needed into the
    // destination buffer, which gets grown as needed as well.
    for (; index < slen; index++) {

            byte[] buffer = new byte[24];
            buffer[4] = 0x04; // sectPerAlloc = 4
            buffer[8] = 0x00;
            buffer[9] = 0x20; // alloc = 8192
            buffer[16] = 0x00;
            buffer[17] = 0x04; // bytesPerSect = 1024

            smbInfoAllocation.decode(buffer, 0, buffer.length);

        int desiredAccess = (buffer[24] & 0xFF) | ((buffer[25] & 0xFF) << 8) | ((buffer[26] & 0xFF) << 16) | ((buffer[27] & 0xFF) << 24);
        assertEquals(0x00120089, desiredAccess);

        // Check default share access (READ | WRITE) at offset 32
        int shareAccess = (buffer[32] & 0xFF) | ((buffer[33] & 0xFF) << 8) | ((buffer[34] & 0xFF) << 16) | ((buffer[35] & 0xFF) << 24);

/**
 * Interface for objects that can be decoded from a byte buffer.
 * This interface provides methods for deserializing data from SMB protocol messages.
 *
 * @author mbechler
 */
public interface Decodable {

    /**
     * Decode data from a byte buffer
     *
     * @param buffer the byte buffer containing the data to decode
     * @param bufferIndex the starting index in the buffer
     * @param len the maximum length of data to decode

        buffer[i] = b;
        if (i == BLOCK_LENGTH - 1) {
            transform(buffer, 0);
        }
    }

    /**
     * MD4 block update operation.
     * <p>
     * Continues an MD4 message digest operation, by filling the buffer,
     * transform(ing) data in 512-bit message block(s), updating the variables
     * context and count, and leaving (buffering) the remaining bytes in buffer
     * for the next update or finish.

        // Arrange
        byte[] buffer = new byte[100];
        SMBUtil.writeInt2(0, buffer, 0);
        SMBUtil.writeInt2(0, buffer, 2);
        SMBUtil.writeInt2(0, buffer, 4);

        // Act & Assert
        assertEquals(0, response.readSetupWireFormat(buffer, 0, 100));
        assertEquals(6, response.readParametersWireFormat(buffer, 0, 100));