blob: 89bf1f501130beb8f50d56e7b16c8e34b7fa300d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
;;; thunk-tests.el --- Tests for thunk.el -*- lexical-binding: t -*-
;; Copyright (C) 2015-2017 Free Software Foundation, Inc.
;; Author: Nicolas Petton <nicolas@petton.fr>
;; Maintainer: emacs-devel@gnu.org
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Tests for thunk.el
;;; Code:
(require 'ert)
(require 'thunk)
(ert-deftest thunk-should-be-lazy ()
(let (x)
(thunk-delay (setq x t))
(should (null x))))
(ert-deftest thunk-can-be-evaluated ()
(let* (x
(thunk (thunk-delay (setq x t))))
(should-not (thunk-evaluated-p thunk))
(should (null x))
(thunk-force thunk)
(should (thunk-evaluated-p thunk))
(should x)))
(ert-deftest thunk-evaluation-is-cached ()
(let* ((x 0)
(thunk (thunk-delay (setq x (1+ x)))))
(thunk-force thunk)
(should (= x 1))
(thunk-force thunk)
(should (= x 1))))
(provide 'thunk-tests)
;;; thunk-tests.el ends here
|
