PrimitiveSink primitiveSink = mock(PrimitiveSink.class);
    Funnels.unencodedCharsFunnel().funnel("test", primitiveSink);
    verify(primitiveSink).putUnencodedChars("test");
  }

  public void testForStrings_null() {
    assertNullsThrowException(Funnels.unencodedCharsFunnel());
  }

  public void testForStringsCharset() {
    for (Charset charset : Charset.availableCharsets().values()) {