content []byte
		}
		files := []file{}

		for _, f := range r.File {
			fr, err := f.Open()
			if err != nil {
				continue
			}
			content, err := io.ReadAll(fr)
			if err != nil {
				continue
			}
			files = append(files, file{header: &f.FileHeader, content: content})
			if _, err := r.Open(f.Name); err != nil {
				continue
			}
		}

		names = append(names, f.Name)
		if _, err := f.Open(); err != nil {
			t.Errorf("Error opening %q: %v", f.Name, err)
		}
		if _, err := r.Open(f.Name); err == nil {
			t.Errorf("Opening %q with fs.FS API succeeded", f.Name)
		}
	}
	if !reflect.DeepEqual(names, entryNames) {
		t.Errorf("Unexpected file entries: %q", names)
	}
	if _, err := r.Open(""); err == nil {

)

func TestGolden(t *testing.T) {
	if *flagCheck {
		// slow, not worth repeating in -check
		t.Skip("skipping with -check set")
	}

	testenv.MustHaveGoBuild(t)

	td, err := os.Open("testdata/src/pkg")
	if err != nil {
		t.Fatal(err)
	}
	fis, err := td.Readdir(0)
	if err != nil {
		t.Fatal(err)
	}
	for _, fi := range fis {
		if !fi.IsDir() {
			continue
		}

			lchown(path, uid, gid, callback) { callback(enosys()); },
			link(path, link, callback) { callback(enosys()); },
			lstat(path, callback) { callback(enosys()); },
			mkdir(path, perm, callback) { callback(enosys()); },
			open(path, flags, mode, callback) { callback(enosys()); },
			read(fd, buffer, offset, length, position, callback) { callback(enosys()); },
			readdir(path, callback) { callback(enosys()); },

pkg debug/plan9obj, func Open(string) (*File, error)
pkg debug/plan9obj, method (*File) Close() error
pkg debug/plan9obj, method (*File) Section(string) *Section
pkg debug/plan9obj, method (*File) Symbols() ([]Sym, error)
pkg debug/plan9obj, method (*Section) Data() ([]uint8, error)
pkg debug/plan9obj, method (*Section) Open() io.ReadSeeker

pkg syscall (netbsd-arm64-cgo), const SYS_NTP_GETTIME ideal-int
pkg syscall (netbsd-arm64-cgo), const SYS_OPEN = 5
pkg syscall (netbsd-arm64-cgo), const SYS_OPENAT = 468
pkg syscall (netbsd-arm64-cgo), const SYS_OPENAT ideal-int
pkg syscall (netbsd-arm64-cgo), const SYS_OPEN ideal-int
pkg syscall (netbsd-arm64-cgo), const SYS_PACCEPT = 456
pkg syscall (netbsd-arm64-cgo), const SYS_PACCEPT ideal-int

%typemap(gotype) const char * "string"
%typemap(in) const char * %{
	$1 = malloc($input.n + 1);
	memcpy($1, $input.p, $input.n);
	$1[$input.n] = '\0';
%}
%typemap(freearg) const char * %{
	free($1);
%}

FILE *fopen(const char *name, const char *mode);
int fclose(FILE *);

pkg syscall (darwin-386), const SYS_NFSCLNT = 247
pkg syscall (darwin-386), const SYS_NFSSVC = 155
pkg syscall (darwin-386), const SYS_OPEN = 5
pkg syscall (darwin-386), const SYS_OPEN_EXTENDED = 277
pkg syscall (darwin-386), const SYS_OPEN_NOCANCEL = 398
pkg syscall (darwin-386), const SYS_PATHCONF = 191
pkg syscall (darwin-386), const SYS_PID_HIBERNATE = 435

		log.Fatal(err)
	}
}

func ExampleReader() {
	// Open a zip archive for reading.
	r, err := zip.OpenReader("testdata/readme.zip")
	if err != nil {
		log.Fatal(err)
	}
	defer r.Close()

	// Iterate through the files in the archive,
	// printing some of their contents.
	for _, f := range r.File {
		fmt.Printf("Contents of %s:\n", f.Name)
		rc, err := f.Open()
		if err != nil {
			log.Fatal(err)
		}

	default:
		return fmt.Sprintf("%q", rune(t))
	}
}

// NewLexer returns a lexer for the named file and the given link context.
func NewLexer(name string) TokenReader {
	input := NewInput(name)
	fd, err := os.Open(name)
	if err != nil {
		log.Fatalf("%s\n", err)
	}
	input.Push(NewTokenizer(name, fd, fd))
	return input
}

// The other files in this directory each contain an implementation of TokenReader.