for _, test := range []struct {
		name string
		h    *Header
	}{{
		name: "name too long",
		h:    &Header{Name: strings.Repeat("a", maxSpecialFileSize)},
	}, {
		name: "linkname too long",
		h:    &Header{Linkname: strings.Repeat("a", maxSpecialFileSize)},
	}, {
		name: "uname too long",
		h:    &Header{Uname: strings.Repeat("a", maxSpecialFileSize)},
	}, {
		name: "gname too long",

	if f.Name != wt.Name {
		t.Fatalf("File name: got %q, want %q", f.Name, wt.Name)
	}
	testFileMode(t, f, wt.Mode)
	rc, err := f.Open()
	if err != nil {
		t.Fatalf("opening %s: %v", f.Name, err)
	}
	b, err := io.ReadAll(rc)
	if err != nil {
		t.Fatalf("reading %s: %v", f.Name, err)
	}
	err = rc.Close()
	if err != nil {
		t.Fatalf("closing %s: %v", f.Name, err)
	}