// When
        int size = req.size();

        // Then
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 24 + token.length;
        int alignedSize = (expectedSize + 7) & ~7; // size8 alignment
        assertEquals(alignedSize, size);
    }

    @Test
    @DisplayName("Should calculate correct message size without token")

   *     without resizing
   * @throws IllegalArgumentException if {@code expectedSize} is negative
   */
  @SuppressWarnings("NonApiType") // acts as a direct substitute for a constructor call
  public static <E extends @Nullable Object> HashSet<E> newHashSetWithExpectedSize(
      int expectedSize) {
    return new HashSet<>(Maps.capacity(expectedSize));
  }

  /**

   *     without resizing
   * @throws IllegalArgumentException if {@code expectedSize} is negative
   */
  @SuppressWarnings("NonApiType") // acts as a direct substitute for a constructor call
  public static <E extends @Nullable Object> HashSet<E> newHashSetWithExpectedSize(
      int expectedSize) {
    return new HashSet<>(Maps.capacity(expectedSize));
  }

  /**

   * larger than expectedSize and the load factor is ≥ its default (0.75).
   */
  static int capacity(int expectedSize) {
    if (expectedSize < 3) {
      checkNonnegative(expectedSize, "expectedSize");
      return expectedSize + 1;
    }
    if (expectedSize < Ints.MAX_POWER_OF_TWO) {

    }

    @Test
    @DisplayName("size should return correct message size")
    void testSize() {
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 24;
        // size8 method rounds up to 8-byte boundary
        int expectedAlignedSize = (expectedSize + 7) & ~7;

        assertEquals(expectedAlignedSize, request.size());
    }

    @Test

   * larger than expectedSize and the load factor is ≥ its default (0.75).
   */
  static int capacity(int expectedSize) {
    if (expectedSize < 3) {
      checkNonnegative(expectedSize, "expectedSize");
      return expectedSize + 1;
    }
    if (expectedSize < Ints.MAX_POWER_OF_TWO) {

            long expectedTime = -SmbConstants.MILLISECONDS_BETWEEN_1970_AND_1601;
            assertEquals(expectedTime, response.getCreationTime());
            assertEquals(expectedTime, response.getLastAccessTime());
            assertEquals(expectedTime, response.getLastWriteTime());
            assertEquals(expectedTime, response.getChangeTime());

   * minimum hashtable size, whichever is greater.
   */
  static int tableSize(int expectedSize) {
    // We use entries next == 0 to indicate UNSET, so actual capacity is 1 less than requested.
    return max(MIN_HASH_TABLE_SIZE, closedTableSize(expectedSize + 1, 1.0));
  }

  /** Creates and returns a properly-sized array with the given number of buckets. */

        int size = request.size();

        // Then
        // Size should be aligned to 8 bytes: SMB2_HEADER_LENGTH + 4 bytes for cancel structure
        int expectedSize = ((Smb2Constants.SMB2_HEADER_LENGTH + 4 + 7) / 8) * 8;
        assertEquals(expectedSize, size, "Size calculation should be correct and 8-byte aligned");
    }

    @Test
    @DisplayName("Test writeBytesWireFormat writes correct bytes")

        int size = request.size();

        // Then
        // Size should be aligned to 8 bytes: SMB2_HEADER_LENGTH + 32
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 32;
        // The size8 method aligns to 8-byte boundary
        int alignedSize = (expectedSize + 7) & ~7;
        assertEquals(alignedSize, size);
    }

    @Test
    @DisplayName("Should write correct bytes to wire format")