verify(primitiveSink).putBytes(new byte[] {4, 3, 2, 1});
  }

  public void testForBytes_null() {
    assertNullsThrowException(Funnels.byteArrayFunnel());
  }

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