pkg go/token, const OR = 18
pkg go/token, const OR_ASSIGN = 29
pkg go/token, const PACKAGE = 78
pkg go/token, const PERIOD = 53
pkg go/token, const QUO = 15
pkg go/token, const QUO_ASSIGN = 26
pkg go/token, const RANGE = 79
pkg go/token, const RBRACE = 56
pkg go/token, const RBRACK = 55
pkg go/token, const REM = 16
pkg go/token, const REM_ASSIGN = 27
pkg go/token, const RETURN = 80
pkg go/token, const RPAREN = 54

	for _, w := range walkers {
		for _, name := range w.stdPackages {
			pkg, err := w.import_(name)
			if _, nogo := err.(*build.NoGoError); nogo {
				continue
			}
			if err != nil {
				log.Fatalf("Import(%q): %v", name, err)
			}
			w.export(pkg)
		}

		ctxName := contextName(w.context)
		for _, f := range w.Features() {
			if featureCtx[f] == nil {

// Test that the rune splitter returns same sequence of runes (not bytes) as for range string.
func TestScanRune(t *testing.T) {
	for n, test := range scanTests {
		buf := strings.NewReader(test)
		s := NewScanner(buf)
		s.Split(ScanRunes)
		var i, runeCount int
		var expect rune
		// Use a string range loop to validate the sequence of runes.
		for i, expect = range test {
			if !s.Scan() {
				break
			}
			runeCount++

	out, err := cmd.Output()
	if err != nil {
		return "", fmt.Errorf("ideviceinfo: %v", err)
	}
	var iosVer, buildVer string
	lines := bytes.Split(out, []byte("\n"))
	for _, line := range lines {
		key, val, ok := strings.Cut(string(line), ": ")
		if !ok {
			continue
		}
		switch key {
		case "ProductVersion":
			iosVer = val
		case "BuildVersion":
			buildVer = val
		}
	}

		}},
	}}

	b.Run("Writer", func(b *testing.B) {
		for _, v := range vectors {
			b.Run(v.label, func(b *testing.B) {
				b.ReportAllocs()
				for i := 0; i < b.N; i++ {
					// Writing to io.Discard because we want to
					// test purely the writer code and not bring in disk performance into this.
					tw := NewWriter(io.Discard)
					for _, file := range v.files {
						if err := tw.WriteHeader(file.hdr); err != nil {

		if ok1 || ok2 {
			return ok1 && ok2
		}
		return x == y
	}
	for _, v := range vectors {
		t.Run(path.Base(v.file), func(t *testing.T) {
			const maxSize = 10 << 10 // 10KiB
			buf := new(bytes.Buffer)
			tw := NewWriter(iotest.TruncateWriter(buf, maxSize))

			for i, tf := range v.tests {
				switch tf := tf.(type) {
				case testHeader:
					err := tw.WriteHeader(&tf.hdr)

	// nil tests
	{nil, nil, 0},
	{[]byte(""), nil, 0},
	{nil, []byte(""), 0},
	{[]byte("a"), nil, 1},
	{nil, []byte("a"), -1},
}

func TestCompare(t *testing.T) {
	for _, tt := range compareTests {
		numShifts := 16
		buffer := make([]byte, len(tt.b)+numShifts)
		// vary the input alignment of tt.b
		for offset := 0; offset <= numShifts; offset++ {
			shiftedB := buffer[offset : len(tt.b)+offset]

		}
	}
	wantErr = regexp.MustCompile("^no exit code")
	check("abc")
	check("exitcode")
	check("exitcode=")
	check("exitcode=123\n")
	wantErr = regexp.MustCompile("^bad exit code: .* value out of range")
	check("exitcode=999999999999999999999999")

	}

	// Forward SIGQUIT from the go command to show backtraces from
	// the binary instead of from this wrapper.
	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGQUIT)
	go func() {
		for range quit {
			// We don't have the PID of the running process; use the
			// binary name instead.
			adb("exec-out", "killall -QUIT "+binName)
		}
	}()
	cmd := `export TMPDIR="` + deviceGotmp + `"` +

		// Handle some special cases.
		specialMapping := map[string]arm64.SpecialOperand{
			// The internal representation of CS(CC) and HS(LO) are the same.
			"CS": arm64.SPOP_HS,
			"CC": arm64.SPOP_LO,
		}
		for s, opd := range specialMapping {
			arm64SpecialOperand[s] = opd
		}
	}
	if opd, ok := arm64SpecialOperand[name]; ok {
		return opd
	}
	return arm64.SPOP_END
}