// golden functions we use repeatedly
	zero := func(x int64) int64 { return 0 }
	id := func(x int64) int64 { return x }
	or := func(x, y int64) int64 { return x | y }
	and := func(x, y int64) int64 { return x & y }
	y := func(x, y int64) int64 { return y }

	for _, test := range [...]struct {
		name   string
		f      func(int64) int64
		golden func(int64) int64
	}{

	"flag"
	"fmt"
	"internal/testenv"
	"os"
	"path/filepath"
	"regexp"
	"strconv"
	"strings"
	"testing"
	"time"
)

var remasterflag = flag.Bool("update-expected", false, "if true, generate updated golden results in testcases for all props tests")

func TestFuncProperties(t *testing.T) {
	td := t.TempDir()
	// td = "/tmp/qqq"
	// os.RemoveAll(td)
	// os.Mkdir(td, 0777)
	testenv.MustHaveGoBuild(t)

Matthew Dempsky <******@****.***> 1706243372 -0800

	"cmd/asm/internal/lex"
	"cmd/internal/obj"
)

// An end-to-end test for the assembler: Do we print what we parse?
// Output is generated by, in effect, turning on -S and comparing the
// result against a golden file.

func testEndToEnd(t *testing.T, goarch, file string) {
	input := filepath.Join("testdata", file+".s")
	architecture, ctxt := setArch(goarch)
	architecture.Init(ctxt)
	lexer := lex.NewLexer(input)