} else {
			t.Logf("second close returned expected error %q", err)
		}
	}
}

func TestDoubleCloseError(t *testing.T) {
	t.Parallel()
	t.Run("file", testDoubleCloseError(filepath.Join(sfdir, sfname)))
	t.Run("dir", testDoubleCloseError(sfdir))
}

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

	dir, err := UserCacheDir()
	if err != nil {