forked from programming-nu/nu
/
test_control.nu
243 lines (215 loc) · 7.45 KB
/
test_control.nu
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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
;; test_control.nu
;; tests for Nu control structures.
;;
;; Copyright (c) 2007 Tim Burks, Neon Design Technology, Inc.
(class TestControl is NuTestCase
(- (id) testIf is
(set x 0)
(if (== x 0)
(then (set y 0) (set y (+ y 1)))
(else (if (== x 1)
(then (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))
(set y (+ y 1))))
(set y (+ y 1)))
(assert_equal 2 y)
(set x 1)
(if (== x 0)
(then (set y 0) (set y (+ y 1)))
(else (if (== x 1)
(then (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))
(set y (+ y 1))))
(set y (+ y 1)))
(assert_equal 12 y)
(set x 2)
(if (== x 0)
(then (set y 0) (set y (+ y 1)))
(else (if (== x 1)
(then (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))
(set y (+ y 1))))
(set y (+ y 1)))
(assert_equal 101 y))
(- (id) testUnless is
(set x 0)
(unless (!= x 0)
(then (set y 0) (set y (+ y 1)))
(else (unless (!= x 1)
(then (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))
(set y (+ y 1))))
(set y (+ y 1)))
(assert_equal 2 y)
(set x 1)
(unless (!= x 0)
(then (set y 0) (set y (+ y 1)))
(else (unless (!= x 1)
(then (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))
(set y (+ y 1))))
(set y (+ y 1)))
(assert_equal 12 y)
(set x 2)
(unless (!= x 0)
(then (set y 0) (set y (+ y 1)))
(else (unless (!= x 1)
(then (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))
(set y (+ y 1))))
(set y (+ y 1)))
(assert_equal 101 y))
(- (id) testWhile is
(set x 10)
(set y 0)
(while x
(set y (+ y x))
(set x (- x 1)))
(assert_equal 55 y))
(- (id) testUntil is
(set x 10)
(set y 0)
(until (== x 0)
(set y (+ y x))
(set x (- x 1)))
(assert_equal 55 y))
(- (id) testWhileBreak is
(set $count 0)
(set x 10)
(while (!= x 0)
(set x (- x 1))
(set y 10)
(while (!= y 0)
(set y (- y 1))
(set $count (+ $count 1))
(if (eq y 5) (break))))
(assert_equal 50 $count))
(- (id) testWhileContinue is
(set $count 0)
(set x 10)
(while (!= x 0)
(set x (- x 1))
(set y 10)
(while (!= y 0)
(set y (- y 1))
(if (>= y 5) (continue))
(set $count (+ $count 1))))
(assert_equal 50 $count))
(- (id) testUntilBreak is
(set count 0)
(set x 10)
(until (== x 0)
(set x (- x 1))
(set y 10)
(until (== y 0)
(set y (- y 1))
(set count (+ count 1))
(if (eq y 5) (break))))
(assert_equal 50 count))
(- (id) testUntilContinue is
(set count 0)
(set x 10)
(until (== x 0)
(set x (- x 1))
(set y 10)
(until (== y 0)
(set y (- y 1))
(if (>= y 5) (continue))
(set count (+ count 1))))
(assert_equal 50 count))
(- (id) testLoopMacro is
;; here is a simple macro defining an unending loop
(macro-0 loop (eval (append '(while t) margs)))
;; here's a macro that decrements a named value
(macro-0 decrement (set (unquote (margs car)) (- (unquote (margs car)) 1)))
;; here's a macro that increments a named value
(macro-0 increment (set (unquote (margs car)) (+ (unquote (margs car)) 1)))
;; run the loop, breaking out after 5 iterations
(set count 0)
(set x 10)
(loop
(decrement x)
(increment count)
(if (eq x 5) (break)))
(assert_equal 5 count)
;; run the loop, breaking out after 10 iterations
;; but only counting until the loop counter (x) drops below 5
(set count 0)
(set x 10)
(loop
(decrement x)
(if (eq x 0) (break))
(if (< x 5) (continue))
(increment count))
(assert_equal 5 count))
(- (id) testFor is
(set x 0)
(for ((set i 1) (< i 10) (set i (+ i 1)))
(set x (+ x i)))
(assert_equal 45 x))
(- (id) testForBreak is
(set x 0)
(for ((set i 1) (< i 10) (set i (+ i 1)))
(if (== i 6) (break))
(set x (+ x i)))
(assert_equal 15 x))
(- (id) testForContinue is
(set x 0)
(for ((set i 1) (< i 10) (set i (+ i 1)))
(if (== i 6) (continue))
(set x (+ x i)))
(assert_equal 39 x))
(- (id) testCond is
(set x 0)
(assert_equal 1
(cond
((== x 0) (set y 0) (set y (+ y 1)))
((== x 1) (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))))
(set x 1)
(assert_equal 11
(cond
((== x 0) (set y 0) (set y (+ y 1)))
((== x 1) (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))))
(set x 2)
(assert_equal 101
(cond
((== x 0) (set y 0) (set y (+ y 1)))
((== x 1) (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))))
;; test fallthrough
(assert_equal 1
(cond (1)
(else 2)))
(assert_equal 1
(cond (0)
(1)
(else 2)))
(assert_equal 2
(cond (0)
(0)
(else 2)))
(assert_equal 2
(cond (0)
(0)
(2))))
(- (id) testCase is
(set x 0)
(assert_equal 1
(case x
(0 (set y 0) (set y (+ y 1)))
(1 (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))))
(set x 1)
(assert_equal 11
(case x
(0 (set y 0) (set y (+ y 1)))
(1 (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))))
(set x 2)
(assert_equal 101
(case x
(0 (set y 0) (set y (+ y 1)))
(1 (set y 10) (set y (+ y 1)))
(else (set y 100) (set y (+ y 1)))))))