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
56
57
58
59
60
61
62
63
|
;;; Tests for memoize.el -*- lexical-binding: t; -*-
(require 'ert)
(require 'cl-lib)
(require 'memoize)
(defvar memoize-numcalls 0)
(defun memoize-testfunc1 (_)
(cl-incf memoize-numcalls))
(ert-deftest memoize ()
;; Have to defun each time since we don't want to keep re-memoizing
;; the same function.
(setq memoize-numcalls 0)
(let ((run-at-time-timeout)
(run-at-time-func)
(timer-canceled))
(cl-letf (((symbol-function 'run-at-time)
(lambda (timeout repeat func)
(setq run-at-time-timeout timeout)
(should (null repeat))
(setq run-at-time-func func)))
((symbol-function 'cancel-timer)
(lambda (_)
(setq timer-canceled t))))
(memoize #'memoize-testfunc1 "10 seconds")
(should (eq 0 memoize-numcalls))
(memoize-testfunc1 1)
(should run-at-time-func)
(should (eq 1 memoize-numcalls))
;; Timer should be called now
(should (equal "10 seconds" run-at-time-timeout))
(memoize-testfunc1 1)
;; This should be cached
(should (eq 1 memoize-numcalls))
(funcall run-at-time-func)
;; Now the cache should be gone
(memoize-testfunc1 1)
(message "Finished running memoize-testfunc1")
(should (eq 2 memoize-numcalls))
;; Another arg is another call
(memoize-testfunc1 2)
(should (eq 3 memoize-numcalls))
(should timer-canceled))))
(defun memoize-testfunc2 (_a _b)
(cl-incf memoize-numcalls))
(ert-deftest memoize-by-buffer-contents ()
(let ((f (memoize-by-buffer-contents--wrap #'memoize-testfunc2)))
(setq memoize-numcalls 0)
(with-temp-buffer
(funcall f 0 0)
(should (eq 1 memoize-numcalls))
(funcall f 0 1)
(should (eq 2 memoize-numcalls))
(funcall f 0 0)
(should (eq 2 memoize-numcalls))
(insert "hello world")
(funcall f 0 0)
(should (eq 3 memoize-numcalls)))))
|
