// is masked in order to correspond to the current table size. For example, if the table size
  // is 128 then the mask is 127 == 0x7f, keeping the bottom 7 bits of the hash value.
  // If a key hashes to 0x89abcdef the mask reduces it to 0x89abcdef & 0x7f == 0x6f. We'll call this
  // the "short hash".
  //
  // The `keys`, `values`, and `entries` arrays always have the same size as each other. They can be

    if (cp < safeOctets.length && safeOctets[cp]) {
      return null;
    } else if (cp == ' ' && plusForSpace) {
      return plusSign;
    } else if (cp <= 0x7F) {
      // Single byte UTF-8 characters
      // Start with "%--" and fill in the blanks
      char[] dest = new char[3];
      dest[0] = '%';
      dest[2] = upperHexDigits[cp & 0xF];

                Arguments.of(new byte[] { (byte) 0x0F }, "0f"), Arguments.of(new byte[] { (byte) 0x10 }, "10"),
                Arguments.of(new byte[] { (byte) 0xAB }, "ab"),
                Arguments.of(new byte[] { (byte) 0x7F, (byte) 0x80, (byte) 0xFF }, "7f80ff"));
    }

    // Verifies that toString() formats bytes as lower-case hex with zero-padding
    @ParameterizedTest(name = "toString renders hex for {0}")
    @MethodSource("hexCases")

  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)

   * in (by dividing by 4) and out (by multiplying by 4).
   */
  private fun findRangesOffset(
    codePoint: Int,
    position: Int,
    limit: Int,
  ): Int {
    val target = codePoint and 0x7f
    val offset =
      binarySearch(
        position = position,
        limit = limit,
      ) { index ->
        val entryIndex = index * 4
        val b0 = ranges[entryIndex].code

	o = msgp.AppendFloat64(o, z.Avg.Count)
	// string "Bytes"
	o = append(o, 0xa5, 0x42, 0x79, 0x74, 0x65, 0x73)
	o = msgp.AppendFloat64(o, z.Avg.Bytes)
	// string "pq"
	o = append(o, 0xa2, 0x70, 0x71)
	// map header, size 2
	// string "Count"
	o = append(o, 0x82, 0xa5, 0x43, 0x6f, 0x75, 0x6e, 0x74)
	o = msgp.AppendFloat64(o, z.Max.Count)
	// string "Bytes"
	o = append(o, 0xa5, 0x42, 0x79, 0x74, 0x65, 0x73)

	o = append(o, 0xbe, 0x42, 0x61, 0x6e, 0x64, 0x57, 0x69, 0x64, 0x74, 0x68, 0x4c, 0x69, 0x6d, 0x69, 0x74, 0x49, 0x6e, 0x42, 0x79, 0x74, 0x65, 0x73, 0x50, 0x65, 0x72, 0x53, 0x65, 0x63, 0x6f, 0x6e, 0x64)
	o = msgp.AppendInt64(o, z.BandWidthLimitInBytesPerSecond)
	// string "CurrentBandwidthInBytesPerSecond"

        assertEquals(999, bufDataStartField.get(response));
    }

    @ParameterizedTest
    @DisplayName("Test reserved bytes are properly skipped")
    @ValueSource(bytes = { 0x00, 0x01, (byte) 0xFF, 0x7F, (byte) 0x80 })
    void testReservedBytesSkipped(byte reservedValue) throws Exception {
        byte[] buffer = new byte[100];
        int bufferIndex = 0;

		if b[0]&0x40 != 0 {
			inv = 0xff
		}

		var x uint64
		for i, c := range b {
			c ^= inv // Inverts c only if inv is 0xff, otherwise does nothing
			if i == 0 {
				c &= 0x7f // Ignore signal bit in first byte
			}
			if (x >> 56) > 0 {
				p.err = ErrHeader // Integer overflow
				return 0
			}
			x = x<<8 | uint64(c)
		}
		if (x >> 63) > 0 {

    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!");