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
|
(* Auxiliary functions for test cases *)
infix 1 seq
fun e1 seq e2 = e2;
fun check b = if b then "OK" else "WRONG";
fun check' f = (if f () then "OK" else "WRONG") handle _ => "EXN";
fun range (from, to) p =
let open Int
in
(from > to) orelse (p from) andalso (range (from+1, to) p)
end;
fun checkrange bounds = check o range bounds;
fun tst0 s s' = print (s ^ " \t" ^ s' ^ "\n");
fun tst s b = tst0 s (check b);
fun tst' s f = tst0 s (check' f);
fun tstrange s bounds = (tst s) o range bounds
(* test/int.sml -- here we test only the `exotic' operations
PS 1995-02-25, 1996-07-02 *)
(*KILL 05/11/1997 10:59. tho.:
use "auxil.sml";
*)
val _ = print "\nFile int.sml: Testing structure Int...\n"
local
open Int
infix 7 quot rem
fun divmod s (i, d, q, r) = tst s (i div d = q andalso i mod d = r);
fun quotrem s (i, d, q, r) = tst s (i quot d = q andalso i rem d = r);
in
val test1a = divmod "test1a" (10, 3, 3, 1);
val test1b = divmod "test1b" (~10, 3, ~4, 2);
val test1c = divmod "test1c" (~10, ~3, 3, ~1);
val test1d = divmod "test1d" (10, ~3, ~4, ~2);
val test2a = quotrem "test2a" (10, 3, 3, 1);
val test2b = quotrem "test2b" (~10, 3, ~3, ~1);
val test2c = quotrem "test2c" (~10, ~3, 3, ~1);
val test2d = quotrem "test2d" (10, ~3, ~3, 1);
val test3 = tst "test3" (max(~5, 2) = 2 andalso max(5, 2) = 5);
val test4 = tst "test4" (min(~5, 3) = ~5 andalso min(5, 2) = 2);
val test5 = tst "test5" (sign ~57 = ~1 andalso sign 99 = 1 andalso sign 0 = 0);
val test6 = tst "test6" (sameSign(~255, ~256) andalso sameSign(255, 256)
andalso sameSign(0, 0));
val test12 =
tst0 "test12" (case (minInt, maxInt) of
(SOME mi, SOME ma) => check(sign mi = ~1 andalso sign ma = 1
andalso sameSign(mi, ~1) andalso sameSign(ma, 1))
| (NONE, NONE) => "OK"
| _ => "WRONG")
fun chk f (s, r) =
tst' "chk" (fn _ =>
case f s of
SOME res => res = r
| NONE => false)
fun chkScan fmt = chk (StringCvt.scanString (scan fmt))
val test13a =
List.map (chk fromString)
[("10789", 10789),
("+10789", 10789),
("~10789", ~10789),
("-10789", ~10789),
(" \n\t10789crap", 10789),
(" \n\t+10789crap", 10789),
(" \n\t~10789crap", ~10789),
(" \n\t-10789crap", ~10789),
("0w123", 0),
("0W123", 0),
("0x123", 0),
("0X123", 0),
("0wx123", 0),
("0wX123", 0)];
val test13b =
List.map (fn s => tst0 "test13b" (case fromString s of NONE => "OK" | _ => "WRONG"))
["", "-", "~", "+", " \n\t", " \n\t-", " \n\t~", " \n\t+",
"+ 1", "~ 1", "- 1", "ff"];
val test14a =
List.map (chkScan StringCvt.DEC)
[("10789", 10789),
("+10789", 10789),
("~10789", ~10789),
("-10789", ~10789),
(" \n\t10789crap", 10789),
(" \n\t+10789crap", 10789),
(" \n\t~10789crap", ~10789),
(" \n\t-10789crap", ~10789),
("0w123", 0),
("0W123", 0),
("0x123", 0),
("0X123", 0),
("0wx123", 0),
("0wX123", 0)];
val test14b =
List.map (fn s => tst0 "test14b" (case StringCvt.scanString (scan StringCvt.DEC) s
of NONE => "OK" | _ => "WRONG"))
["", "-", "~", "+", " \n\t", " \n\t-", " \n\t~", " \n\t+",
"+ 1", "~ 1", "- 1", "ff"];
val test15a =
List.map (chkScan StringCvt.BIN)
[("10010", 18),
("+10010", 18),
("~10010", ~18),
("-10010", ~18),
(" \n\t10010crap", 18),
(" \n\t+10010crap", 18),
(" \n\t~10010crap", ~18),
(" \n\t-10010crap", ~18),
("0w101", 0),
("0W101", 0),
("0x101", 0),
("0X101", 0),
("0wx101", 0),
("0wX101", 0)];
val test15b =
List.map (fn s => tst0 "test15b" (case StringCvt.scanString (scan StringCvt.BIN) s
of NONE => "OK" | _ => "WRONG"))
["", "-", "~", "+", " \n\t", " \n\t-", " \n\t~", " \n\t+",
"+ 1", "~ 1", "- 1", "2", "8", "ff"];
val test16a =
List.map (chkScan StringCvt.OCT)
[("2071", 1081),
("+2071", 1081),
("~2071", ~1081),
("-2071", ~1081),
(" \n\t2071crap", 1081),
(" \n\t+2071crap", 1081),
(" \n\t~2071crap", ~1081),
(" \n\t-2071crap", ~1081),
("0w123", 0),
("0W123", 0),
("0x123", 0),
("0X123", 0),
("0wx123", 0),
("0wX123", 0)];
val test16b =
List.map (fn s => tst0 "test16b" (case StringCvt.scanString (scan StringCvt.OCT) s
of NONE => "OK" | _ => "WRONG"))
["", "-", "~", "+", " \n\t", " \n\t-", " \n\t~", " \n\t+",
"+ 1", "~ 1", "- 1", "8", "ff"];
val test17a =
List.map (chkScan StringCvt.HEX)
[("20Af", 8367),
("+20Af", 8367),
("~20Af", ~8367),
("-20Af", ~8367),
(" \n\t20AfGrap", 8367),
(" \n\t+20AfGrap", 8367),
(" \n\t~20AfGrap", ~8367),
(" \n\t-20AfGrap", ~8367),
("0w123", 0),
("0W123", 0),
("0x", 0),
("0x ", 0),
("0xG", 0),
("0X", 0),
("0XG", 0),
("0x123", 291),
("0X123", 291),
("-0x123", ~291),
("-0X123", ~291),
("~0x123", ~291),
("~0X123", ~291),
("+0x123", 291),
("+0X123", 291),
("0wx123", 0),
("0wX123", 0)];
val test17b =
List.map (fn s => tst0 "test17b" (case StringCvt.scanString (scan StringCvt.HEX) s
of NONE => "OK" | _ => "WRONG"))
["", "-", "~", "+", " \n\t", " \n\t-", " \n\t~", " \n\t+",
"+ 1", "~ 1", "- 1"];
local
fun fromToString i =
fromString (toString i) = SOME i;
fun scanFmt radix i =
StringCvt.scanString (scan radix) (fmt radix i) = SOME i;
in
val test18 =
tst' "test18" (fn _ => range (~1200, 1200) fromToString);
val test19 =
tst' "test19" (fn _ => range (~1200, 1200) (scanFmt StringCvt.BIN));
val test20 =
tst' "test20" (fn _ => range (~1200, 1200) (scanFmt StringCvt.OCT));
val test21 =
tst' "test21" (fn _ => range (~1200, 1200) (scanFmt StringCvt.DEC));
val test22 =
tst' "test22" (fn _ => range (~1200, 1200) (scanFmt StringCvt.HEX));
end
end
|
