{"rparen",
		"{{.X 1 2 3 ) }}",
		hasError, "unexpected right paren"},
	{"rparen2",
		"{{(.X 1 2 3",
		hasError, `unclosed action`},
	{"space",
		"{{`x`3}}",
		hasError, `in operand`},
	{"idchar",
		"{{a#}}",
		hasError, `'#'`},
	{"charconst",
		"{{'a}}",
		hasError, `unterminated character constant`},
	{"stringconst",
		`{{"a}}`,
		hasError, `unterminated quoted string`},
	{"rawstringconst",

func (b *Writer) Init(output io.Writer, minwidth, tabwidth, padding int, padchar byte, flags uint) *Writer {
	if minwidth < 0 || tabwidth < 0 || padding < 0 {
		panic("negative minwidth, tabwidth, or padding")
	}
	b.output = output
	b.minwidth = minwidth
	b.tabwidth = tabwidth
	b.padding = padding
	for i := range b.padbytes {
		b.padbytes[i] = padchar
	}
	if padchar == '\t' {
		// tab padding enforces left-alignment

	dst[di+1] = enc.encode[val>>12&0x3F]

	switch remain {
	case 2:
		dst[di+2] = enc.encode[val>>6&0x3F]
		if enc.padChar != NoPadding {
			dst[di+3] = byte(enc.padChar)
		}
	case 1:
		if enc.padChar != NoPadding {
			dst[di+2] = byte(enc.padChar)
			dst[di+3] = byte(enc.padChar)
		}
	}
}

// AppendEncode appends the base64 encoded src to dst
// and returns the extended buffer.

      fail();
    } catch (NullPointerException expected) {
    }
  }

  public void testOnCharOverride() {
    Joiner onChar = Joiner.on('-');
    checkNoOutput(onChar, ITERABLE_);
    checkResult(onChar, ITERABLE_1, "1");
    checkResult(onChar, ITERABLE_12, "1-2");
    checkResult(onChar, ITERABLE_123, "1-2-3");
  }

  public void testSkipNulls() {
    Joiner skipNulls = J.skipNulls();

// DecodedLen returns the maximum length in bytes of the decoded data
// corresponding to n bytes of base32-encoded data.
func (enc *Encoding) DecodedLen(n int) int {
	return decodedLen(n, enc.padChar)
}

func decodedLen(n int, padChar rune) int {
	if padChar == NoPadding {
		return n/8*5 + n%8*5/8
	}
	return n / 8 * 5

    public val KaType.isDouble: Boolean get() = withValidityAssertion { isClassTypeWithClassId(DefaultTypeClassIds.DOUBLE) }
    public val KaType.isChar: Boolean get() = withValidityAssertion { isClassTypeWithClassId(DefaultTypeClassIds.CHAR) }
    public val KaType.isBoolean: Boolean get() = withValidityAssertion { isClassTypeWithClassId(DefaultTypeClassIds.BOOLEAN) }

      fail();
    } catch (NullPointerException expected) {
    }
  }

  public void testOnCharOverride() {
    Joiner onChar = Joiner.on('-');
    checkNoOutput(onChar, ITERABLE_);
    checkResult(onChar, ITERABLE_1, "1");
    checkResult(onChar, ITERABLE_12, "1-2");
    checkResult(onChar, ITERABLE_123, "1-2-3");
  }

  public void testSkipNulls() {
    Joiner skipNulls = J.skipNulls();

      return buildString {
        val buffer = Buffer().writeUtf8(s)
        while (!buffer.exhausted()) {
          val c = buffer.readUtf8CodePoint()
          if (c != '\\'.code) {
            append(c.toChar())
            continue
          }
          when (buffer.readUtf8CodePoint()) {
            '\\'.code -> append('\\')
            '#'.code -> append('#')
            'n'.code -> append('\n')

	b.WriteByte('"')
	for _, r := range s {
		if isQtext(r) || isWSP(r) {
			b.WriteRune(r)
		} else if isVchar(r) {
			b.WriteByte('\\')
			b.WriteRune(r)
		}
	}
	b.WriteByte('"')
	return b.String()
}

// isVchar reports whether r is an RFC 5322 VCHAR character.
func isVchar(r rune) bool {
	// Visible (printing) characters.
	return '!' <= r && r <= '~' || isMultibyte(r)
}

    fun encode(src: ByteArray): ByteArray
    fun encodeToString(src: ByteArray): String {
        val encoded = encode(src)
        return buildString(encoded.size) {
            encoded.forEach { append(it.toInt().toChar()) }
        }
    }
}

expect object Base64Factory {
    fun createEncoder(): Base64Encoder