// package monkey-patches those variables before running tests).
func TestMain(m *testing.M) {
	flag.Parse()

	pid := os.Getpid()
	if os.Getenv("GO_EXEC_TEST_PID") == "" {
		os.Setenv("GO_EXEC_TEST_PID", strconv.Itoa(pid))

		if runtime.GOOS == "windows" {
			// Normalize environment so that test behavior is consistent.
			// (The behavior of LookPath varies depending on this variable.)
			//

func BenchmarkServerHandlerTypeLen(b *testing.B) {
	benchmarkHandler(b, HandlerFunc(func(w ResponseWriter, r *Request) {
		w.Header().Set("Content-Type", "text/html")
		w.Header().Set("Content-Length", strconv.Itoa(len(response)))
		w.Write(response)
	}))
}

// A Content-Type is set, but no length. No sniffing, but will count the Content-Length.
func BenchmarkServerHandlerNoLen(b *testing.B) {

func allowedVersion(v string) bool {
	// Special case: no requirement.
	if v == "" {
		return true
	}
	return gover.Compare(gover.Local(), v) >= 0
}

const (
	needBuild uint32 = 1 << iota
	needCgoHdr
	needVet
	needCompiledGoFiles
	needCovMetaFile
	needStale
)

// build is the action for building a single package.

	})
	if err == syscall.ENOENT || (err == nil && !found) {
		return nil, UnknownGroupIdError(strconv.Itoa(gid))
	}
	if err != nil {
		return nil, fmt.Errorf("user: lookup groupid %d: %v", gid, err)
	}
	return buildGroup(&grp), nil
}

func buildGroup(grp *_C_struct_group) *Group {
	g := &Group{
		Gid:  strconv.Itoa(int(_C_gr_gid(grp))),
		Name: _C_GoString(_C_gr_name(grp)),
	}
	return g
}