public long writeFrom(InputStream input) throws IOException {
    checkNotNull(input);

    try (OutputStream out = openStream()) {
      return ByteStreams.copy(input, out);
    }
  }

  /**
   * A char sink that encodes written characters with a charset and writes resulting bytes to this
   * byte sink.
   */
  private final class AsCharSink extends CharSink {

    private final Charset charset;

      }
    }
  }

  @AndroidIncompatible // slow
  @GwtIncompatible // Doubles.tryParse
  public void testTryParseAllCodePoints() {
    // Exercise non-ASCII digit test cases and the like.
    char[] tmp = new char[2];
    for (int i = Character.MIN_CODE_POINT; i < Character.MAX_CODE_POINT; i++) {
      Character.toChars(i, tmp, 0);
      checkTryParse(String.copyValueOf(tmp, 0, Character.charCount(i)));
    }
  }

            while ((pos = decoded.indexOf('%', pos + 1)) >= 0) {
                if (pos + 2 < decoded.length()) {
                    String hexStr = decoded.substring(pos + 1, pos + 3);
                    char ch = (char) Integer.parseInt(hexStr, 16);
                    decoded = decoded.substring(0, pos) + ch + decoded.substring(pos + 3);
                }
            }
        }
        return decoded;
    }

      Headers
        .Builder()
        .addUnsafeNonAscii("héader1", "value1")
        .build()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Unexpected char 0xe9 at 1 in header name: héader1")
    }
  }

  @Test fun addUnsafeNonAsciiAcceptsUnicodeValue() {
    val headers =
      Headers
        .Builder()
        .addUnsafeNonAscii("header1", "valué1")

    }

    @Override
    public Hasher putLong(long l) {
      ensureCapacity(Long.BYTES);
      buffer.putLong(l);
      return this;
    }

    @Override
    public Hasher putChar(char c) {
      ensureCapacity(Character.BYTES);
      buffer.putChar(c);
      return this;
    }

    @Override
    public HashCode hash() {
      return hashBytes(buffer.array(), 0, buffer.position());

    hasher.putLong(0x0807060504030201L);
    hasher.assertBytes(new byte[] {1, 2, 3, 4, 5, 6, 7, 8});
  }

  public void testChar() {
    TestHasher hasher = new TestHasher();
    hasher.putChar((char) 0x0201);
    hasher.assertBytes(new byte[] {1, 2});
  }

  public void testString() {
    Random random = new Random();
    for (int i = 0; i < 100; i++) {
      byte[] bytes = new byte[64];

      int ch1 = decode(string.charAt(i)) << 4;
      int ch2 = decode(string.charAt(i + 1));
      bytes[i / 2] = (byte) (ch1 + ch2);
    }
    return fromBytesNoCopy(bytes);
  }

  private static int decode(char ch) {
    if (ch >= '0' && ch <= '9') {
      return ch - '0';
    }
    if (ch >= 'a' && ch <= 'f') {
      return ch - 'a' + 10;
    }

			n = 10*n + float64(c-'0')
			d.scratch.add(c)
		}
	}

	// . followed by 1 or more digits
	if c == '.' {
		isFloat = true
		d.scratch.add(c)

		// first char following must be digit
		if c = d.next(); c < '0' || c > '9' {
			return 0, d.mkError(ErrSyntax, "after decimal point in numeric literal")
		}
		d.scratch.add(c)

		for {
			if d.remaining() == 0 {

  static final ImmutableMap<String, String> TEST_STRINGS =
      ImmutableMap.<String, String>builder()
          .put("empty", "")
          .put("1 char", "0")
          .put("1 word", "hello")
          .put("2 words", "hello world")
          .put("\\n line break", "hello\nworld")
          .put("\\r line break", "hello\rworld")

        radix);
    if (x == 0) {
      // Simply return "0"
      return "0";
    } else if (x > 0) {
      return Long.toString(x, radix);
    } else {
      char[] buf = new char[64];
      int i = buf.length;
      if ((radix & (radix - 1)) == 0) {
        // Radix is a power of two so we can avoid division.
        int shift = Integer.numberOfTrailingZeros(radix);