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);

    }

    @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);

            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);

        // 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));

package okhttp3.logging.internal

import java.io.EOFException
import okio.Buffer

/**
 * Returns true if the body in question probably contains human readable text. Uses a small
 * sample of code points to detect unicode control characters commonly used in binary file
 * signatures.
 */
fun Buffer.isProbablyUtf8(): Boolean {
  try {
    val prefix = Buffer()
    val byteCount = size.coerceAtMost(64)
    copyTo(prefix, 0, byteCount)

/**
 * 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[errorStart + 2] = 1; // error context count
            SMBUtil.writeInt4(5, buffer, errorStart + 4); // byte count

            // Error data
            buffer[errorStart + 8] = 1;
            buffer[errorStart + 9] = 2;
            buffer[errorStart + 10] = 3;
            buffer[errorStart + 11] = 4;
            buffer[errorStart + 12] = 5;

            return buffer;
        }

        byte[] buffer = { 0x00, 0x00, // status = 0 (Success)
                0x12, 0x34, // converter = 0x3412
                0x02, 0x00, // numEntries = 2
                0x05, 0x00 // totalAvailableEntries = 5
        };

        int bytesRead = response.readParametersWireFormat(buffer, 0, buffer.length);

        assertEquals(8, bytesRead, "Should read 8 bytes for parameters.");

    random.nextBytes(buf)
    assertRoundTrip(buf.toByteString())
  }

  private fun assertRoundTrip(data: ByteString) {
    val encodeBuffer = Buffer()
    encode(data, encodeBuffer)
    assertThat(encodedLength(data).toLong()).isEqualTo(encodeBuffer.size)
    val decodeBuffer = Buffer()
    decode(encodeBuffer, encodeBuffer.size, decodeBuffer)
    assertEquals(data, decodeBuffer.readByteString())
  }