"strconv"
	"testing"
)

func TestMapping(t *testing.T) {
	var m mapping[int, string]
	for i := 0; i < maxSlice; i++ {
		m.add(i, strconv.Itoa(i))
	}
	if m.m != nil {
		t.Fatal("m.m != nil")
	}
	for i := 0; i < maxSlice; i++ {
		g, _ := m.find(i)
		w := strconv.Itoa(i)
		if g != w {
			t.Fatalf("%d: got %s, want %s", i, g, w)
		}
	}
	m.add(4, "4")
	if m.s != nil {
		t.Fatal("m.s != nil")
	}

}

func currentUID() string {
	if id := os.Getuid(); id >= 0 {
		return strconv.Itoa(id)
	}
	// Note: Windows returns -1, but this file isn't used on
	// Windows anyway, so this empty return path shouldn't be
	// used.
	return ""
}

func currentGID() string {
	if id := os.Getgid(); id >= 0 {
		return strconv.Itoa(id)
	}
	return ""

	alertECHRequired:                  "encrypted client hello required",
}

func (e alert) String() string {
	s, ok := alertText[e]
	if ok {
		return "tls: " + s
	}
	return "tls: alert(" + strconv.Itoa(int(e)) + ")"
}

func (e alert) Error() string {
	return e.String()

// of basic data types.
//
// # Numeric Conversions
//
// The most common numeric conversions are [Atoi] (string to int) and [Itoa] (int to string).
//
//	i, err := strconv.Atoi("-42")
//	s := strconv.Itoa(-42)
//
// These assume decimal and the Go int type.
//
// [ParseBool], [ParseFloat], [ParseInt], and [ParseUint] convert strings to values:
//

	if x == nil {
		return "<nil>"
	}
	return string(x.abs.itoa(x.neg, base))
}

// Append appends the string representation of x, as generated by
// x.Text(base), to buf and returns the extended buffer.
func (x *Int) Append(buf []byte, base int) []byte {
	if x == nil {
		return append(buf, "<nil>"...)
	}
	return append(buf, x.abs.itoa(x.neg, base)...)
}

	for i := 0; i < bits/64; i++ {
		hi, lo := GP64(), GP64()

		Comment("Iteration " + strconv.Itoa(i))
		MULXQ(x.Offset(i*8), lo, hi)
		ADCXQ(carry, lo)
		ADOXQ(z.Offset(i*8), lo)
		MOVQ(lo, z.Offset(i*8))

		i++

		Comment("Iteration " + strconv.Itoa(i))
		MULXQ(x.Offset(i*8), lo, carry)
		ADCXQ(hi, lo)
		ADOXQ(z.Offset(i*8), lo)
		MOVQ(lo, z.Offset(i*8))
	}

}

func baseError(fn, str string, base int) *NumError {
	return &NumError{fn, stringslite.Clone(str), errors.New("invalid base " + Itoa(base))}
}

func bitSizeError(fn, str string, bitSize int) *NumError {
	return &NumError{fn, stringslite.Clone(str), errors.New("invalid bit size " + Itoa(bitSize))}
}

const intSize = 32 << (^uint(0) >> 63)

// IntSize is the size in bits of an int or uint value.
const IntSize = intSize

	return
}

func getList() ([]string, error) {
	pid := syscall.Getpid()

	// Launch cpuset to print a list of available CPUs: pid <PID> mask: 0, 1, 2, 3.
	cmd := exec.Command("cpuset", "-g", "-p", strconv.Itoa(pid))
	cmdline := strings.Join(cmd.Args, " ")
	output, err := cmd.CombinedOutput()
	if err != nil {
		return nil, fmt.Errorf("fail to execute '%s': %s", cmdline, err)
	}
	output, _, ok := bytes.Cut(output, []byte("\n"))

	if e != nil {
		return nil, &PathError{Op: "fork/exec", Path: name, Err: e}
	}

	return newPIDProcess(pid), nil
}

func (p *Process) writeProcFile(file string, data string) error {
	f, e := OpenFile("/proc/"+itoa.Itoa(p.Pid)+"/"+file, O_WRONLY, 0)
	if e != nil {
		return e
	}
	defer f.Close()
	_, e = f.Write([]byte(data))
	return e
}

func (p *Process) signal(sig Signal) error {
	switch p.pidStatus() {

	if TestVersion != "" {
		toolVers = TestVersion
	}
	goVers = FromToolchain(toolVers)
	if goVers == "" {
		// Development branch. Use "Dev" version with just 1.N, no rc1 or .0 suffix.
		goVers = "1." + strconv.Itoa(goversion.Version)
		toolVers = "go" + goVers
	}
	return goVers, toolVers