checkArgument(bufferSize % chunkSize == 0);

    // TODO(user): benchmark performance difference with longer buffer
    // always space for a single primitive
    this.buffer = ByteBuffer.allocate(bufferSize + 7).order(ByteOrder.LITTLE_ENDIAN);
    this.bufferSize = bufferSize;
    this.chunkSize = chunkSize;
  }

  /** Processes the available bytes of the buffer (at most {@code chunk} bytes). */

    return CharBuffer.allocate(generateInt());
  }

  @Generates
  ByteBuffer generateByteBuffer() {
    return ByteBuffer.allocate(generateInt());
  }

  @Generates
  ShortBuffer generateShortBuffer() {
    return ShortBuffer.allocate(generateInt());
  }

  @Generates
  IntBuffer generateIntBuffer() {
    return IntBuffer.allocate(generateInt());
  }

  @Generates

   *
   * <p><b>Note:</b> No guarantees are made regarding stability of the representation between
   * versions.
   */
  public byte[] toByteArray() {
    ByteBuffer buffer = ByteBuffer.allocate(BYTES).order(ByteOrder.LITTLE_ENDIAN);
    xStats.writeTo(buffer);
    yStats.writeTo(buffer);
    buffer.putDouble(sumOfProductsOfDeltas);
    return buffer.array();
  }

  /**

  @CheckForNull
  public String readLine() throws IOException {
    while (lines.peek() == null) {
      Java8Compatibility.clear(cbuf);
      // The default implementation of Reader#read(CharBuffer) allocates a
      // temporary char[], so we call Reader#read(char[], int, int) instead.
      int read = (reader != null) ? reader.read(buf, 0, buf.length) : readable.read(cbuf);
      if (read == -1) {
        lineBuf.finish();

      csum ^= crc;
      for (int i = 0; i < 4; i++) {
        csum = (csum >>> 8) ^ BYTE_TABLE[csum & 0xFF];
      }
      return csum;
    }

    private static final ByteBuffer EMPTY = ByteBuffer.allocate(0);
  }

  }

  public void testFromByteArray_withTooLongArrayInputThrowsIllegalArgumentException() {
    byte[] buffer = MANY_VALUES_PAIRED_STATS.toByteArray();
    byte[] tooLongByteArray =
        ByteBuffer.allocate(buffer.length + 2)
            .order(ByteOrder.LITTLE_ENDIAN)
            .put(buffer)
            .putChar('.')
            .array();

    assertEquals(-1, ArbitraryInstances.get(InputStream.class).read());
    assertEquals(-1, ArbitraryInstances.get(ByteArrayInputStream.class).read());
    assertEquals(-1, ArbitraryInstances.get(Readable.class).read(CharBuffer.allocate(1)));
    assertEquals(-1, ArbitraryInstances.get(Reader.class).read());
    assertEquals(-1, ArbitraryInstances.get(StringReader.class).read());
    assertEquals(0, ArbitraryInstances.get(Buffer.class).capacity());

        result);
    return (int) result;
  }

  /**
   * Returns a big-endian representation of {@code value} in an 8-element byte array; equivalent to
   * {@code ByteBuffer.allocate(8).putLong(value).array()}. For example, the input value {@code
   * 0x1213141516171819L} would yield the byte array {@code {0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
   * 0x18, 0x19}}.
   *

        result);
    return (int) result;
  }

  /**
   * Returns a big-endian representation of {@code value} in an 8-element byte array; equivalent to
   * {@code ByteBuffer.allocate(8).putLong(value).array()}. For example, the input value {@code
   * 0x1213141516171819L} would yield the byte array {@code {0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
   * 0x18, 0x19}}.
   *

    out[0] = b;
    System.arraycopy(array, 0, out, 1, array.length);
    return out;
  }

  @GwtIncompatible // java.nio.ByteBuffer
  private static byte[] toByteArray(int h) {
    return ByteBuffer.allocate(4).putInt(h).array();
  }

  public void testNewEnumSet_empty() {
    EnumSet<SomeEnum> copy = newEnumSet(Collections.<SomeEnum>emptySet(), SomeEnum.class);
    assertEquals(EnumSet.noneOf(SomeEnum.class), copy);