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
|
(*
* ExtLib Testing Suite
* Copyright (C) 2004 Janne Hellsten
* Copyright (C) 2011 ygrek
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version,
* with the special exception on linking described in file LICENSE.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*)
open ExtString
module S = String
let t_starts_with () =
let s0 = "foo" in
assert (S.starts_with s0 ~prefix:s0);
assert (S.starts_with s0 ~prefix:"f");
assert (not (S.starts_with s0 ~prefix:"bo"));
assert (not (S.starts_with "" ~prefix:"foo"));
assert (S.starts_with s0 ~prefix:"");
assert (S.starts_with "" ~prefix:"")
let t_ends_with () =
let s0 = "foo" in
assert (S.ends_with s0 ~suffix:"foo");
assert (S.ends_with s0 ~suffix:"oo");
assert (S.ends_with s0 ~suffix:"o");
assert (S.ends_with s0 ~suffix:"");
assert (S.ends_with "" ~suffix:"");
assert (not (S.ends_with "" ~suffix:"b"));
assert (not (S.ends_with s0 ~suffix:"f"))
let t_map () =
let s0 = "foobar" in
assert (S.map Std.identity s0 = s0)
let t_lchop () =
for len = 0 to 15 do
let s0 = Util.random_string_len len in
let s0len = String.length s0
and s0r = ref (String.copy s0) in
for i = 0 to s0len-1 do
assert (!s0r.[0] = s0.[i]);
s0r := String.lchop !s0r
done;
done
let t_rchop () =
for len = 0 to 15 do
let s0 = Util.random_string_len len in
let s0len = String.length s0
and s0r = ref (String.copy s0) in
for i = 0 to s0len-1 do
assert (!s0r.[String.length !s0r - 1] = s0.[s0len-1-i]);
s0r := String.rchop !s0r
done;
done
let t_split () =
for i = 0 to 64 do
let s = Util.random_string () in
let s' = String.replace_chars
(fun c -> if c = '|' then "_" else String.of_char c) s in
let len = String.length s' in
if len > 0 then
begin
let rpos = Random.int len in
(* Insert separator and split based on that *)
let modified =
let b = Bytes.of_string s' in
Bytes.set b rpos '|';
Bytes.to_string b
in
let (half1, half2) = String.split modified "|" in
if rpos > 1 then
begin
assert (String.length half1 = rpos);
assert (String.sub s' 0 rpos = half1)
end;
if rpos < len-1 then
begin
assert (String.length half2 = len-rpos-1);
assert (String.sub s' (rpos+1) (len-rpos-1) = half2);
end;
assert (String.join "|" [half1; half2] = modified);
end
done
let t_replace1 () =
let s = "karhupullo" in
assert (String.replace s "karhu" "kalja" = (true, "kaljapullo"));
assert (String.replace s "kalja" "karhu" = (false, s));
(* TODO is this correct? Is "" supposed to always match? *)
assert (String.replace s "" "karhu" = (true, "karhu"^s));
assert (String.replace "" "" "karhu" = (true, "karhu"))
let t_strip () =
let s = "1234abcd5678" in
assert (S.strip ~chars:"" s = s);
assert (S.strip ~chars:"1" s = String.sub s 1 (String.length s-1));
assert (S.strip ~chars:"12" s = String.sub s 2 (String.length s-2));
assert (S.strip ~chars:"1234" s = "abcd5678");
assert (S.ends_with (S.strip ~chars:"8" s) ~suffix:"567");
assert (S.ends_with (S.strip ~chars:"87" s) ~suffix:"56");
assert (S.ends_with (S.strip ~chars:"86" s) ~suffix:"567");
assert (S.ends_with (S.strip ~chars:"" s) ~suffix:"5678")
let t_nsplit () =
let s = "testsuite" in
assert (S.nsplit s "t" = ["";"es";"sui";"e"]);
assert (S.nsplit s "te" = ["";"stsui";""]);
assert (try let _ = S.nsplit s "" in false with Invalid_string -> true)
let register () =
Util.register "ExtString" [
"starts_with", t_starts_with;
"ends_with", t_ends_with;
"map", t_map;
"lchop", t_lchop;
"rchop", t_rchop;
"split", t_split;
"replace_1", t_replace1;
"strip", t_strip;
"nsplit", t_nsplit;
]
|
