new byte[] {0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19},
        Longs.toByteArray(0x1213141516171819L));
    assertByteArrayEquals(
        new byte[] {
          (byte) 0xFF, (byte) 0xEE, (byte) 0xDD, (byte) 0xCC,
          (byte) 0xBB, (byte) 0xAA, (byte) 0x99, (byte) 0x88
        },
        Longs.toByteArray(0xFFEEDDCCBBAA9988L));
  }

  public void testFromByteArray() {
    assertThat(

        assertArgumentNotNull("is", is);

        final ByteArrayOutputStream os = new ByteArrayOutputStream(BUF_SIZE);
        CopyUtil.copy(is, os);
        return os.toByteArray();
    }

    /**
     * {@link InputStream#available()}の例外処理をラップしたメソッドです。
     *
     * @param is
     *            入力ストリーム。{@literal null}であってはいけません
     * @return 可能なサイズ
     */

                        ComponentUtil.getSystemProperties().store(baos, id);
                        try (final InputStream in = new ByteArrayInputStream(baos.toByteArray())) {
                            out.write(in);
                        }
                    }
                });
            }
            if (!id.endsWith(NDJSON_EXTENTION)) {

        for (int i = 0; i < projectBuildList.size(); i++) {
            expectedLength += stringList.get(i).length();
        }

        threadOutputMuxer.close();
        final byte[] bytes = byteArrayOutputStream.toByteArray();
        String result = new String(bytes);
        assertEquals(expectedLength, bytes.length, result);
    }

    class Outputter implements Callable<ProjectSegment> {

    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    new ObjectOutputStream(bytes).writeObject(object);
    return new ObjectInputStream(new ByteArrayInputStream(bytes.toByteArray())).readObject();
  }

                        )

                        classesDir.resolve(details.outputClassFilename).apply {
                            parentFile.mkdirs()
                            writeBytes(classWriter.toByteArray())
                        }
                    } catch (exception: Exception) {
                        throw ClassAnalysisException("Could not transform class from ${file.toFile()}", exception)
                    }

   * little-endian byte order.
   *
   * @throws IOException if an I/O error occurs
   */
  @Override
  public void writeLong(long v) throws IOException {
    byte[] bytes = Longs.toByteArray(Long.reverseBytes(v));
    write(bytes, 0, bytes.length);
  }

  /**
   * Writes a {@code short} as specified by {@link DataOutputStream#writeShort(int)}, except using
   * little-endian byte order.
   *

   */
  public static byte[] toArray(Collection<? extends Number> collection) {
    if (collection instanceof ByteArrayAsList) {
      return ((ByteArrayAsList) collection).toByteArray();
    }

    Object[] boxedArray = collection.toArray();
    int len = boxedArray.length;
    byte[] array = new byte[len];
    for (int i = 0; i < len; i++) {
      // checkNotNull for GWT (do not optimize)

    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    new ObjectOutputStream(bytes).writeObject(object);
    return new ObjectInputStream(new ByteArrayInputStream(bytes.toByteArray())).readObject();
  }

            .isEqualTo(c);

        byte[] bytes = Chars.toByteArray(c);
        assertThat(bytes[0]).isEqualTo((byte) hi);
        assertThat(bytes[1]).isEqualTo((byte) lo);

        c++;
      }
    }
    assertThat(c).isEqualTo((char) 0); // sanity check
  }

  @GwtIncompatible // Chars.fromByteArray, Chars.toByteArray
  public void testByteArrayRoundTripsFails() {
    try {