testEncodingWithCasing(base32Hex(), "fooba", "CPNMUOJ1");
    testEncodingWithCasing(base32Hex(), "foobar", "CPNMUOJ1E8======");
  }

  @GwtIncompatible // Reader/Writer
  public void testBase32HexStreaming() throws IOException {
    // The following test vectors are specified in RFC 4648 itself
    testStreamingEncodingWithCasing(base32Hex(), "", "");
    testStreamingEncodingWithCasing(base32Hex(), "f", "CO======");