}

      while (!encodedCharBuffer.exhausted()) {
        val b = encodedCharBuffer.readByte().toInt() and 0xff
        writeByte('%'.code)
        writeByte(HEX_DIGITS[b shr 4 and 0xf].code)
        writeByte(HEX_DIGITS[b and 0xf].code)
      }
    } else {
      // This character doesn't need encoding. Just copy it over.
      writeUtf8CodePoint(codePoint)
    }

    sectionIndexBuffer.writeByte((section and 0x3f80) shr 7)

    // Section index.
    sectionIndexBuffer.writeByte((sectionOffset and 0x3f80) shr 7)
    sectionIndexBuffer.writeByte(sectionOffset and 0x7f)

    // Ranges.
    for (range in sectionMappedRanges) {
      rangesBuffer.writeByte(range.rangeStart)

      when (range) {
        is MappedRange.Constant -> {
          rangesBuffer.writeByte(range.b1)

	MOVL	ptr+0(FP), AX
	TESTL	$7, AX
	JZ	2(PC)
	MOVL	0, AX // crash with nil ptr deref
	LEAL	ret_lo+4(FP), BX
	// MOVQ (%EAX), %MM0
	BYTE $0x0f; BYTE $0x6f; BYTE $0x00
	// MOVQ %MM0, 0(%EBX)
	BYTE $0x0f; BYTE $0x7f; BYTE $0x03
	// EMMS
	BYTE $0x0F; BYTE $0x77
	RET

	if err != nil {
		return
	}
	err = en.WriteString(z.error)
	if err != nil {
		err = msgp.WrapError(err, "error")
		return
	}
	// write "root"
	err = en.Append(0xa4, 0x72, 0x6f, 0x6f, 0x74)
	if err != nil {
		return
	}
	err = en.WriteString(z.root)
	if err != nil {
		err = msgp.WrapError(err, "root")
		return
	}
	// write "fnf"
	err = en.Append(0xa3, 0x66, 0x6e, 0x66)

	if err != nil {
		return
	}
	err = en.WriteString(z.Prefix)
	if err != nil {
		err = msgp.WrapError(err, "Prefix")
		return
	}
	// write "obj"
	err = en.Append(0xa3, 0x6f, 0x62, 0x6a)
	if err != nil {
		return
	}
	err = en.WriteString(z.Object)
	if err != nil {
		err = msgp.WrapError(err, "Object")
		return
	}
	// write "id"
	err = en.Append(0xa2, 0x69, 0x64)

FB4B          ; mapped                 ; 05D5 05B9     # 1.1  HEBREW LETTER VAV WITH HOLAM
FB4C          ; mapped                 ; 05D1 05BF     # 1.1  HEBREW LETTER BET WITH RAFE
FB4D          ; mapped                 ; 05DB 05BF     # 1.1  HEBREW LETTER KAF WITH RAFE
FB4E          ; mapped                 ; 05E4 05BF     # 1.1  HEBREW LETTER PE WITH RAFE
FB4F          ; mapped                 ; 05D0 05DC     # 1.1  HEBREW LIGATURE ALEF LAMED

   * also demonstrates how sparse the lookup table is.
   */
  @Test
  fun allFormattedFlagsWithValidBits() {
    val formattedFlags = mutableListOf<String>() // Highest valid flag is 0x20.
    for (i in 0..0x3f) formattedFlags.add(formatFlags(TYPE_HEADERS, i))
    assertThat(formattedFlags).containsExactly(
      "",
      "END_STREAM",
      "00000010",
      "00000011",
      "END_HEADERS",

			return
		}
		err = en.WriteInt(za0002.NumVersions)
		if err != nil {
			err = msgp.WrapError(err, "Tiers", za0001, "NumVersions")
			return
		}
		// write "no"
		err = en.Append(0xa2, 0x6e, 0x6f)
		if err != nil {
			return
		}
		err = en.WriteInt(za0002.NumObjects)
		if err != nil {
			err = msgp.WrapError(err, "Tiers", za0001, "NumObjects")
			return
		}
	}
	return
}

  val sourceCodePoint1: Int,
  val type: Int,
  val mappedTo: ByteString,
) {
  val section: Int
    get() = sourceCodePoint0 and 0x1fff80

  val rangeStart: Int
    get() = sourceCodePoint0 and 0x7f

  val hasSingleSourceCodePoint: Boolean
    get() = sourceCodePoint0 == sourceCodePoint1

  val spansSections: Boolean
    get() = (sourceCodePoint0 and 0x1fff80) != (sourceCodePoint1 and 0x1fff80)

    testDecodes(base64(), "Zg====", "f");
  }

  public void testBase64InvalidDecodings() {
    // These contain bytes not in the decodabet.
    assertFailsToDecode(base64(), "A\u007f", "Unrecognized character: 0x7f");
    assertFailsToDecode(base64(), "Wf2!", "Unrecognized character: !");
    // This sentence just isn't base64() encoded.
    assertFailsToDecode(base64(), "let's not talk of love or chains!");