assertThrows(
        IllegalArgumentException.class, () -> BloomFilter.create(unencodedCharsFunnel(), -1, 0.03));
    assertThrows(
        IllegalArgumentException.class, () -> BloomFilter.create(unencodedCharsFunnel(), 1, 0.0));
    assertThrows(
        IllegalArgumentException.class, () -> BloomFilter.create(unencodedCharsFunnel(), 1, 1.0));
  }

  }

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

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

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

   * Funnels#stringFunnel(Charset)} instead.
   *
   * @since 15.0 (since 11.0 as {@code Funnels.stringFunnel()}.
   */
  public static Funnel<CharSequence> unencodedCharsFunnel() {
    return UnencodedCharsFunnel.INSTANCE;
  }

  private enum UnencodedCharsFunnel implements Funnel<CharSequence> {
    INSTANCE;

    @Override
    public void funnel(CharSequence from, PrimitiveSink into) {
      into.putUnencodedChars(from);