assertEscaping(e, "%DF%BF", '\u07ff'); // xx-11111,x-111111
    assertEscaping(e, "%E0%A0%80", '\u0800'); // xxx-0000,x-100000,x-00,0000
    assertEscaping(e, "%EF%BF%BF", '\uffff'); // xxx-1111,x-111111,x-11,1111
    assertUnicodeEscaping(e, "%F0%90%80%80", '\uD800', '\uDC00');
    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    // simple string tests

type BoolFlag bool

// String - returns string of BoolFlag.
func (bf BoolFlag) String() string {
	if bf {
		return "on"
	}

	return "off"
}

// MarshalJSON - converts BoolFlag into JSON data.
func (bf BoolFlag) MarshalJSON() ([]byte, error) {
	return json.Marshal(bf.String())
}

// UnmarshalJSON - parses given data into BoolFlag.
func (bf *BoolFlag) UnmarshalJSON(data []byte) (err error) {
	var s string

  private static void checkSanity(BloomFilter<Object> bf) {
    assertFalse(bf.mightContain(new Object()));
    assertFalse(bf.apply(new Object()));
    assertFalse(bf.test(new Object()));
    for (int i = 0; i < 100; i++) {
      Object o = new Object();
      bf.put(o);
      assertTrue(bf.mightContain(o));
      assertTrue(bf.apply(o));
      assertTrue(bf.test(o));
    }
  }

  public void testCopy() {

package config

import (
	"testing"
)

// Test BoolFlag.String()
func TestBoolFlagString(t *testing.T) {
	var bf BoolFlag

	testCases := []struct {
		flag           BoolFlag
		expectedResult string
	}{
		{bf, "off"},
		{BoolFlag(true), "on"},
		{BoolFlag(false), "off"},
	}

	for _, testCase := range testCases {
		str := testCase.flag.String()

	bf := bufio.NewReader(r)
	switch f := detect(bf); f {
	case formatGzip:
		gz, err := gzip.NewReader(bf)
		if err != nil {
			return err
		}
		defer gz.Close()
		r = gz
	case formatS2:
		r = s2.NewReader(bf)
	case formatZstd:
		// Limit to 16 MiB per stream.
		dec, err := zstd.NewReader(bf, zstd.WithDecoderMaxWindow(16<<20))
		if err != nil {

    assertEscaping(e, "%DF%BF", '\u07ff'); // xx-11111,x-111111
    assertEscaping(e, "%E0%A0%80", '\u0800'); // xxx-0000,x-100000,x-00,0000
    assertEscaping(e, "%EF%BF%BF", '\uffff'); // xxx-1111,x-111111,x-11,1111
    assertUnicodeEscaping(e, "%F0%90%80%80", '\uD800', '\uDC00');
    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    assertEquals("", e.escape(""));

}

func parseGoroutineType2(path string) (map[time.Duration][]string, error) {
	f, err := os.Open(path)
	if err != nil {
		return nil, err
	}

	bf := bytes.Buffer{}

	save := func(s string) {
		bf.WriteString(s + "\n")
	}
	reset := func() {
		bf.Reset()
	}

	ret := make(map[time.Duration][]string)

	s := bufio.NewScanner(f)
	s.Split(bufio.ScanLines)

	var (
		t            time.Duration

    val buffer = Buffer()
    body.writeTo(buffer)
    assertThat(buffer.readUtf8()).isEqualTo(expected)
  }

  @Test
  fun characterEncoding() {
    // Browsers convert '\u0000' to '%EF%BF%BD'.
    assertThat(formEncode(0)).isEqualTo("%00")
    assertThat(formEncode(1)).isEqualTo("%01")
    assertThat(formEncode(2)).isEqualTo("%02")
    assertThat(formEncode(3)).isEqualTo("%03")

				return
			}
		case "bt":
			z.BytesTransferred, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "BytesTransferred")
				return
			}
		case "bf":
			z.BytesFailed, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "BytesFailed")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)

		dataStart, dataEnd := sw.sp[0].Offset, sw.sp[0].endOffset()
		if sw.pos < dataStart { // In a hole fragment
			bf := b[:min(int64(len(b)), dataStart-sw.pos)]
			nf, err = zeroWriter{}.Write(bf)
		} else { // In a data fragment
			bf := b[:min(int64(len(b)), dataEnd-sw.pos)]
			nf, err = sw.fw.Write(bf)
		}
		b = b[nf:]
		sw.pos += int64(nf)
		if sw.pos >= dataEnd && len(sw.sp) > 1 {