}
    return tmp;
  }

  @Benchmark
  public int encodingStream(int reps) throws IOException {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      StringWriter target = new StringWriter(2 * n);
      OutputStream encodingStream = encoding.encoding.encodingStream(target);
      encodingStream.write(encodingInputs[i & INPUTS_MASK]);
      encodingStream.close();
      tmp += target.getBuffer().length();
    }

  private static void testStreamingEncodes(BaseEncoding encoding, String decoded, String encoded)
      throws IOException {
    StringWriter writer = new StringWriter();
    try (OutputStream encodingStream = encoding.encodingStream(writer)) {
      encodingStream.write(decoded.getBytes(UTF_8));
    }
    assertThat(writer.toString()).isEqualTo(encoded);
  }

  @GwtIncompatible // Reader

    }

    @J2ktIncompatible
    @GwtIncompatible // Writer,OutputStream
    @Override
    public OutputStream encodingStream(Writer output) {
      return delegate.encodingStream(separatingWriter(output, separator, afterEveryChars));
    }

    @Override
    void encodeTo(Appendable target, byte[] bytes, int off, int len) throws IOException {