blob: 00bcf8401c4d99b8353c8e024a0894d66e6f720a (
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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
;;; ring-tests.el --- Tests for ring.el -*- lexical-binding: t; -*-
;; Copyright (C) 2016-2017 Free Software Foundation, Inc.
;; Author: Simen Heggestøyl <simenheg@gmail.com>
;; Keywords:
;; 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'ert)
(require 'ring)
(ert-deftest ring-tests-make-ring-ring-p ()
(should (ring-p (make-ring 5))))
(ert-deftest ring-tests-insert-at-beginning ()
(let ((ring (make-ring 5)))
(ring-insert-at-beginning ring 'foo)
(ring-insert-at-beginning ring 'bar)
(should (equal (ring-elements ring) '(foo bar)))))
(ert-deftest ring-tests-plus1 ()
(should (= (ring-plus1 0 5) 1))
(should (= (ring-plus1 4 5) 0)))
(ert-deftest ring-tests-minus1 ()
(should (= (ring-minus1 0 5) 4))
(should (= (ring-minus1 4 5) 3)))
(ert-deftest ring-tests-length ()
(let ((ring (make-ring 2)))
(should (= (ring-length ring) 0))
(ring-insert ring 'a)
(should (= (ring-length ring) 1))
(ring-insert ring 'b)
(should (= (ring-length ring) 2))
(ring-insert ring 'c)
(should (= (ring-length ring) 2))))
(ert-deftest ring-tests-index ()
(should (= (ring-index 0 0 3 3) 2))
(should (= (ring-index 0 0 3 5) 2))
(should (= (ring-index 0 2 3 3) 1))
(should (= (ring-index 1 2 3 3) 0))
(should (= (ring-index 2 2 3 3) 2)))
(ert-deftest ring-tests-empty-p ()
(let ((ring (make-ring 5)))
(should (ring-empty-p ring))
(ring-insert ring 1)
(should-not (ring-empty-p ring))
(ring-remove ring)
(should (ring-empty-p ring))))
(ert-deftest ring-tests-size ()
(let ((ring (make-ring 2)))
(should (= (ring-size ring) 2))
(ring-insert ring "a")
(ring-insert ring "b")
(ring-insert ring "c")
(should (= (ring-size ring) 2))
(ring-extend ring 3)
(should (= (ring-size ring) 5))))
(ert-deftest ring-tests-copy ()
(let ((ring1 (make-ring 3)))
(ring-insert ring1 1)
(ring-insert ring1 2)
(let ((ring2 (ring-copy ring1)))
(should-not (eq ring1 ring2))
(should (= (ring-size ring1) (ring-size ring2)))
(should (equal (ring-elements ring1) (ring-elements ring2))))))
(ert-deftest ring-tests-insert ()
(let ((ring (make-ring 2)))
(ring-insert ring :a)
(should (equal (ring-elements ring) '(:a)))
(ring-insert ring :b)
(should (equal (ring-elements ring) '(:b :a)))
(ring-insert ring :c)
(should (equal (ring-elements ring) '(:c :b)))))
(ert-deftest ring-tests-remove ()
(let ((ring (make-ring 2)))
(should-error (ring-remove ring))
(ring-insert ring 'foo)
(ring-insert ring 'bar)
(should (eq (ring-remove ring) 'foo))
(should (equal (ring-elements ring) '(bar)))
(ring-insert ring 'baz)
(should (eq (ring-remove ring 0) 'baz))
(should (equal (ring-elements ring) '(bar)))))
(ert-deftest ring-tests-ref ()
(let ((ring (make-ring 2)))
(should-error (ring-ref ring 0))
(ring-insert ring :a)
(should (eq (ring-ref ring 0) :a))
(ring-insert ring :b)
(should (eq (ring-ref ring 0) :b))
(should (eq (ring-ref ring 1) :a))
(should (eq (ring-ref ring 2) :b))))
(ert-deftest ring-tests-elements ()
(let ((ring (make-ring 5)))
(ring-insert ring 3)
(ring-insert ring 2)
(ring-insert ring 1)
(should (equal (ring-elements ring) '(1 2 3)))))
(ert-deftest ring-tests-member ()
(let ((ring (make-ring 3)))
(ring-insert ring "foo")
(ring-insert ring "bar")
(should (= (ring-member ring "foo") 1))
(should (= (ring-member ring "bar") 0))
(should-not (ring-member ring "baz"))))
(ert-deftest ring-tests-next ()
(let ((ring (make-ring 3)))
(ring-insert ring 'a)
(ring-insert ring 'b)
(should (eq (ring-next ring 'b) 'a))
(should (eq (ring-next ring 'a) 'b))
(should-error (ring-next ring 'c))))
(ert-deftest ring-tests-previous ()
(let ((ring (make-ring 3)))
(ring-insert ring 'a)
(ring-insert ring 'b)
(should (eq (ring-previous ring 'b) 'a))
(should (eq (ring-previous ring 'a) 'b))
(should-error (ring-previous ring 'c))))
(ert-deftest ring-tests-extend ()
(let ((ring (make-ring 2)))
(ring-insert ring 1)
(ring-insert ring 2)
(should (= (ring-size ring) 2))
(should (= (ring-length ring) 2))
(ring-extend ring 3)
(ring-insert ring 3)
(should (= (ring-size ring) 5))
(should (equal (ring-elements ring) '(3 2 1)))))
(ert-deftest ring-tests-insert ()
(let ((ring (make-ring 2)))
(ring-insert+extend ring :a)
(ring-insert+extend ring :b)
(should (equal (ring-elements ring) '(:b :a)))
(ring-insert+extend ring :c)
(should (equal (ring-elements ring) '(:c :b)))
(ring-insert+extend ring :d t)
(should (equal (ring-elements ring) '(:d :c :b)))))
(ert-deftest ring-tests-remove+insert+extend ()
(let ((ring (make-ring 3)))
(ring-insert ring 1)
(ring-insert ring 1)
(ring-insert ring 2)
(ring-remove+insert+extend ring 1)
(should (equal (ring-elements ring) '(1 2)))
(ring-remove+insert+extend ring 0)
(should (equal (ring-elements ring) '(0 1 2)))
(ring-remove+insert+extend ring 3)
(should (equal (ring-elements ring) '(3 0 1)))
(ring-remove+insert+extend ring 4 t)
(should (equal (ring-elements ring) '(4 3 0 1)))
(ring-remove+insert+extend ring 1 t)
(should (equal (ring-elements ring) '(1 4 3 0)))))
(ert-deftest ring-tests-convert-sequence-to-ring ()
(let ((ring (ring-convert-sequence-to-ring '(a b c))))
(should (equal (ring-elements ring) '(a b c))))
(let ((ring (ring-convert-sequence-to-ring [1 2 3])))
(should (equal (ring-elements ring) '(1 2 3))))
(let ((ring (ring-convert-sequence-to-ring "abc")))
(should (equal (ring-elements ring) '(?a ?b ?c))))
(let ((ring (make-ring 2)))
(ring-insert ring :a)
(ring-insert ring :b)
(should
(equal (ring-elements (ring-convert-sequence-to-ring ring))
(ring-elements ring)))))
(provide 'ring-tests)
;;; ring-tests.el ends here
|
