int len = input.length();
    return newHasher(len * 2).putUnencodedChars(input).hash();
  }

  @Override
  public HashCode hashString(CharSequence input, Charset charset) {
    return newHasher().putString(input, charset).hash();
  }

  @Override
  public HashCode hashInt(int input) {
    return newHasher(4).putInt(input).hash();
  }

  @Override
  public HashCode hashLong(long input) {

    assertEquals(expected, SIP_WITH_KEY.hashString(input, UTF_8).asLong());
    assertEquals(expected, SIP_WITH_KEY.newHasher().putString(input, UTF_8).hash().asLong());
    assertEquals(expected, SIP_WITHOUT_KEY.hashString(input, UTF_8).asLong());
    assertEquals(expected, SIP_WITHOUT_KEY.newHasher().putString(input, UTF_8).hash().asLong());
  }

  private static void assertSip(byte[] input, long expected) {

    assertEquals(expected, SIP_WITH_KEY.hashString(input, UTF_8).asLong());
    assertEquals(expected, SIP_WITH_KEY.newHasher().putString(input, UTF_8).hash().asLong());
    assertEquals(expected, SIP_WITHOUT_KEY.hashString(input, UTF_8).asLong());
    assertEquals(expected, SIP_WITHOUT_KEY.newHasher().putString(input, UTF_8).hash().asLong());
  }

  private static void assertSip(byte[] input, long expected) {

    for (Charset charset : Charset.availableCharsets().values()) {
      PrimitiveSink primitiveSink = mock(PrimitiveSink.class);
      Funnels.stringFunnel(charset).funnel("test", primitiveSink);
      verify(primitiveSink).putString("test", charset);
    }
  }

  public void testForStringsCharset_null() {
    for (Charset charset : Charset.availableCharsets().values()) {
      assertNullsThrowException(Funnels.stringFunnel(charset));
    }

    for (Charset charset : Charset.availableCharsets().values()) {
      PrimitiveSink primitiveSink = mock(PrimitiveSink.class);
      Funnels.stringFunnel(charset).funnel("test", primitiveSink);
      verify(primitiveSink).putString("test", charset);
    }
  }

  public void testForStringsCharset_null() {
    for (Charset charset : Charset.availableCharsets().values()) {
      assertNullsThrowException(Funnels.stringFunnel(charset));
    }

          new TestHasher().putUnencodedChars(s).hash(),
          new TestHasher().putBytes(s.getBytes(UTF_16LE)).hash());
      assertEquals(
          new TestHasher().putUnencodedChars(s).hash(),
          new TestHasher().putString(s, UTF_16LE).hash());
    }
  }

  public void testFloat() {
    TestHasher hasher = new TestHasher();
    hasher.putFloat(Float.intBitsToFloat(0x04030201));
    hasher.assertBytes(new byte[] {1, 2, 3, 4});
  }

    for (int i = 0, len = charSequence.length(); i < len; i++) {
      putChar(charSequence.charAt(i));
    }
    return this;
  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putString(CharSequence charSequence, Charset charset) {
    return putBytes(charSequence.toString().getBytes(charset));
  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putBytes(byte[] bytes) {

          new TestHasher().putUnencodedChars(s).hash(),
          new TestHasher().putBytes(s.getBytes(UTF_16LE)).hash());
      assertEquals(
          new TestHasher().putUnencodedChars(s).hash(),
          new TestHasher().putString(s, UTF_16LE).hash());
    }
  }

  public void testFloat() {
    TestHasher hasher = new TestHasher();
    hasher.putFloat(Float.intBitsToFloat(0x04030201));
    hasher.assertBytes(new byte[] {1, 2, 3, 4});
  }

                }
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
    }

    @Override
    public void putString(String source, Charset charset, URI relativeTarget) {
        requireNonNull(source, "source string is null");
        requireNonNull(charset, "charset is null");
        putBytes(source.getBytes(charset), relativeTarget);

    StringCharsetFunnel(Charset charset) {
      this.charset = Preconditions.checkNotNull(charset);
    }

    @Override
    public void funnel(CharSequence from, PrimitiveSink into) {
      into.putString(from, charset);
    }

    @Override
    public String toString() {
      return "Funnels.stringFunnel(" + charset.name() + ")";
    }

    @Override