// Test that Open can open a path starting at /.
	d := DirFS("/")
	f, err := d.Open(cwd + "/testdata/dirfs/a")
	if err != nil {
		t.Fatal(err)
	}
	f.Close()
}

func TestDirFSEmptyDir(t *testing.T) {
	t.Parallel()

	d := DirFS("")
	cwd, _ := Getwd()
	for _, path := range []string{
		"testdata/dirfs/a",                          // not DirFS(".")