*/
    public void testDecode_Null() throws Exception {
        final byte[] result = Base64Util.decode(null);
        assertNull("Null should return null", result);
    }

    /**
     * Test encode/decode round trip with various data
     *
     * @throws Exception
     */
    public void testEncodeDecode_RoundTrip() throws Exception {
        // Test with ASCII text
        final String text = "Hello, World!";

   * Servers that enforce this may send an exception message including the string
   * `INADEQUATE_SECURITY`.
   */
  HTTP_2("h2"),

  /**
   * Cleartext HTTP/2 with no "upgrade" round trip. This option requires the client to have prior
   * knowledge that the server supports cleartext HTTP/2.
   *
   * See also [Starting HTTP/2 with Prior Knowledge][rfc_7540_34].
   *

    ByteSource source = out.asByteSource();
    int chunk1 = min(dataSize, fileThreshold);
    int chunk2 = dataSize - chunk1;

    // Write just enough to not trip the threshold
    if (chunk1 > 0) {
      write(out, data, 0, chunk1, singleByte);
      assertTrue(ByteSource.wrap(data).slice(0, chunk1).contentEquals(source));
    }
    File file = out.getFile();

  }

  public void testToByteArrayAndFromByteArrayRoundTrip() {
    for (PairedStats pairedStats : ALL_PAIRED_STATS) {
      byte[] pairedStatsByteArray = pairedStats.toByteArray();

      // Round trip to byte array and back
      assertThat(PairedStats.fromByteArray(pairedStatsByteArray)).isEqualTo(pairedStats);
    }
  }

  public void testFromByteArray_withNullInputThrowsNullPointerException() {

  }

  public void testToByteArrayAndFromByteArrayRoundTrip() {
    for (PairedStats pairedStats : ALL_PAIRED_STATS) {
      byte[] pairedStatsByteArray = pairedStats.toByteArray();

      // Round trip to byte array and back
      assertThat(PairedStats.fromByteArray(pairedStatsByteArray)).isEqualTo(pairedStats);
    }
  }

  public void testFromByteArray_withNullInputThrowsNullPointerException() {

      throw noMoreExchanges(e) as Throwable
    } finally {
      if (!calledNoMoreExchanges) {
        noMoreExchanges(null)
      }
    }
  }

  /**
   * Prepare for a potential trip through all of this call's network interceptors. This prepares to
   * find an exchange to carry the request.
   *
   * Note that an exchange will not be needed if the request is satisfied by the cache.
   *

        .of(LONG_MANY_VALUES_MEAN);
  }

  public void testToByteArrayAndFromByteArrayRoundTrip() {
    for (Stats stats : ALL_STATS) {
      byte[] statsByteArray = stats.toByteArray();

      // Round trip to byte array and back
      assertThat(Stats.fromByteArray(statsByteArray)).isEqualTo(stats);
    }
  }

  public void testFromByteArray_withNullInputThrowsNullPointerException() {

   *
   * <p>If {@link ByteSource#asCharSource} is called on the returned source with the same charset,
   * the default implementation of this method will ensure that the original {@code CharSource} is
   * returned, rather than round-trip encoding. Subclasses that override this method should behave
   * the same way.
   *
   * @since 20.0
   */
  public ByteSource asByteSource(Charset charset) {
    return new AsByteSource(charset);
  }

 * <p>Splitter instances are thread-safe immutable, and are therefore safe to store as {@code static
 * final} constants.
 *
 * <p>The {@link Joiner} class provides the inverse operation to splitting, but note that a
 * round-trip between the two should be assumed to be lossy.
 *
 * <p>See the Guava User Guide article on <a
 * href="https://github.com/google/guava/wiki/StringsExplained#splitter">{@code Splitter}</a>.
 *
 * @author Julien Silland

 * <p>Splitter instances are thread-safe immutable, and are therefore safe to store as {@code static
 * final} constants.
 *
 * <p>The {@link Joiner} class provides the inverse operation to splitting, but note that a
 * round-trip between the two should be assumed to be lossy.
 *
 * <p>See the Guava User Guide article on <a
 * href="https://github.com/google/guava/wiki/StringsExplained#splitter">{@code Splitter}</a>.
 *
 * @author Julien Silland