byte[] buffer = new byte[request.size()];
        int encodedLength = request.encode(buffer, 0);

        // Verify encoded length matches size
        assertEquals(request.size(), encodedLength);

        // Verify capabilities (4 bytes)
        assertEquals(DEFAULT_CAPABILITIES, SMBUtil.readInt4(buffer, 0));

  // We can't use Character.isSurrogate(c) because of GWT.

  public void testEncodedLength_validStrings() {
    assertEquals(0, Utf8.encodedLength(""));
    assertEquals(11, Utf8.encodedLength("Hello world"));
    assertEquals(8, Utf8.encodedLength("Résumé"));
    assertEquals(
        461,
        Utf8.encodedLength(
            "威廉·莎士比亞（William Shakespeare，"
                + "1564年4月26號—1616年4月23號[1]）係隻英國嗰演員、劇作家同詩人，"

import assertk.assertThat
import assertk.assertions.isEqualTo
import java.util.Random
import okhttp3.internal.http2.Huffman.decode
import okhttp3.internal.http2.Huffman.encode
import okhttp3.internal.http2.Huffman.encodedLength
import okio.Buffer
import okio.ByteString
import okio.ByteString.Companion.encodeUtf8
import okio.ByteString.Companion.toByteString
import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.Test

      accumulator = accumulator shl (8 - accumulatorBitCount)
      accumulator = accumulator or (0xffL ushr accumulatorBitCount)
      sink.writeByte(accumulator.toInt())
    }
  }

  fun encodedLength(bytes: ByteString): Int {
    var bitCount = 0L

    for (i in 0 until bytes.size) {
      val byteIn = bytes[i] and 0xff
      bitCount += CODE_BIT_COUNTS[byteIn].toLong()
    }

   * time and space.
   *
   * @throws IllegalArgumentException if {@code sequence} contains ill-formed UTF-16 (unpaired
   *     surrogates)
   */
  public static int encodedLength(CharSequence sequence) {
    // Warning to maintainers: this implementation is highly optimized.
    int utf16Length = sequence.length();
    int utf8Length = utf16Length;
    int i = 0;

          value = value ushr 7
        }
        out.writeByte(value)
      }

      @Throws(IOException::class)
      fun writeByteString(data: ByteString) {
        if (useCompression && Huffman.encodedLength(data) < data.size) {
          val huffmanBuffer = Buffer()
          Huffman.encode(data, huffmanBuffer)
          val huffmanBytes = huffmanBuffer.readByteString()

        // Given
        byte[] buffer = new byte[512];
        int encodeIndex = 0;
        int decodeIndex = 0;
        int encodeLength = 100;
        int decodeLength = 100;

        when(messageBlock.encode(buffer, encodeIndex)).thenReturn(encodeLength);
        when(messageBlock.decode(buffer, decodeIndex)).thenReturn(decodeLength);

        // When

        // Initialize transaction buffer to avoid NPE
        transaction.setBuffer(new byte[SmbComTransaction.TRANSACTION_BUF_SIZE]);

        // Test encode
        int encodeLength = transaction.encode(buffer, 0);
        assertTrue(encodeLength > 0);

        // Test decode - should not throw exception
        assertDoesNotThrow(() -> {
            transaction.decode(buffer, 0);
        });
    }

    @Test