result = null
        result = runnerFor(tasks, testKitDir).build()
    }

    protected void fails(List<String> tasks, File testKitDir = null) {
        result = null
        result = runnerFor(tasks, testKitDir).buildAndFail()
    }

    private SmokeTestGradleRunner runnerFor(List<String> tasks, File testKitDir) {
        List<String> gradleArgs = tasks + GRADLE_BUILD_TEST_ARGS

	if n < sz {
		return RuneError, 1
	}
	b1 := p[1]
	if b1 < accept.lo || accept.hi < b1 {
		return RuneError, 1
	}
	if sz <= 2 { // <= instead of == to help the compiler eliminate some bounds checks
		return rune(p0&mask2)<<6 | rune(b1&maskx), 2
	}
	b2 := p[2]
	if b2 < locb || hicb < b2 {
		return RuneError, 1
	}
	if sz <= 3 {
		return rune(p0&mask3)<<12 | rune(b1&maskx)<<6 | rune(b2&maskx), 3

// r, or -1 if rune is not present in s.
// If r is utf8.RuneError, it returns the first instance of any
// invalid UTF-8 byte sequence.
func IndexRune(s string, r rune) int {
	switch {
	case 0 <= r && r < utf8.RuneSelf:
		return IndexByte(s, byte(r))
	case r == utf8.RuneError:
		for i, r := range s {
			if r == utf8.RuneError {
				return i
			}
		}
		return -1
	case !utf8.ValidRune(r):

		os.RemoveAll(dir)
		return "", "", err
	}
	return dir, lockfile, nil
}

type RunError struct {
	Cmd      string
	Err      error
	Stderr   []byte
	HelpText string
}

func (e *RunError) Error() string {
	text := e.Cmd + ": " + e.Err.Error()
	stderr := bytes.TrimRight(e.Stderr, "\n")
	if len(stderr) > 0 {

	}
	buf = append(buf, quote)
	for width := 0; len(s) > 0; s = s[width:] {
		r := rune(s[0])
		width = 1
		if r >= utf8.RuneSelf {
			r, width = utf8.DecodeRuneInString(s)
		}
		if width == 1 && r == utf8.RuneError {
			buf = append(buf, `\x`...)
			buf = append(buf, lowerhex[s[0]>>4])
			buf = append(buf, lowerhex[s[0]&0xF])
			continue
		}
		buf = appendEscapedRune(buf, r, quote, ASCIIonly, graphicOnly)
	}

Loop:
	for {
		r, size := utf8.DecodeRuneInString(p.s[i:])

		switch {
		case size == 0:
			return "", errors.New("mail: unclosed quoted-string")

		case size == 1 && r == utf8.RuneError:
			return "", fmt.Errorf("mail: invalid utf-8 in quoted-string: %q", p.s)

		case escaped:
			//  quoted-pair = ("\" (VCHAR / WSP))

			if !isVchar(r) && !isWSP(r) {

			t.Errorf("%s: panicked = %v; want %v", tt.name, got, tt.wantPanic)
		}
	}
}

func TestBuilderWriteInvalidRune(t *testing.T) {
	// Invalid runes, including negative ones, should be written as
	// utf8.RuneError.
	for _, r := range []rune{-1, utf8.MaxRune + 1} {
		var b Builder
		b.WriteRune(r)
		check(t, &b, "\uFFFD")
	}
}

var someBytes = []byte("some bytes sdljlk jsklj3lkjlk djlkjw")

)

var errInvalidDelim = errors.New("csv: invalid field or comment delimiter")

func validDelim(r rune) bool {
	return r != 0 && r != '"' && r != '\r' && r != '\n' && utf8.ValidRune(r) && r != utf8.RuneError
}

// A Reader reads records from a CSV-encoded file.
//
// As returned by [NewReader], a Reader expects input conforming to RFC 4180.
// The exported fields can be changed to customize the details before the

	r := rune(c)
	if c > utf8.MaxRune {
		r = utf8.RuneError
	}
	buf := f.intbuf[:0]
	f.pad(utf8.AppendRune(buf, r))
}

// fmtQc formats an integer as a single-quoted, escaped Go character constant.
// If the character is not valid Unicode, it will print '\ufffd'.
func (f *fmt) fmtQc(c uint64) {
	r := rune(c)
	if c > utf8.MaxRune {
		r = utf8.RuneError
	}
	buf := f.intbuf[:0]
	if f.plus {

		return "", i.Op == InstMatch
	}

	// Have prefix; gather characters.
	var buf strings.Builder
	for i.op() == InstRune && len(i.Rune) == 1 && Flags(i.Arg)&FoldCase == 0 && i.Rune[0] != utf8.RuneError {
		buf.WriteRune(i.Rune[0])
		i = p.skipNop(i.Out)
	}
	return buf.String(), i.Op == InstMatch
}

// StartCond returns the leading empty-width conditions that must