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
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
|
/* Test iconv's TRANSLIT and IGNORE option handling
Copyright (C) 2020-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C 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.
The GNU C 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 the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <iconv.h>
#include <locale.h>
#include <errno.h>
#include <string.h>
#include <support/support.h>
#include <support/check.h>
/* Run one iconv test. Arguments:
to: destination character set and options
from: source character set
input: input string to be converted
exp_in: expected number of bytes consumed
exp_ret: expected return value (error or number of irreversible conversions)
exp_out: expected output string
exp_err: expected value of `errno' after iconv returns. */
static void
test_iconv (const char *to, const char *from, char *input, size_t exp_in,
size_t exp_ret, const char *exp_out, int exp_err)
{
iconv_t cd;
char outbuf[500];
size_t inlen, outlen;
char *inptr, *outptr;
size_t n;
cd = iconv_open (to, from);
TEST_VERIFY (cd != (iconv_t) -1);
inlen = strlen (input);
outlen = sizeof (outbuf);
inptr = input;
outptr = outbuf;
errno = 0;
n = iconv (cd, &inptr, &inlen, &outptr, &outlen);
TEST_COMPARE (n, exp_ret);
TEST_VERIFY (inptr == input + exp_in);
TEST_COMPARE (errno, exp_err);
TEST_COMPARE_BLOB (outbuf, outptr - outbuf, exp_out, strlen (exp_out));
TEST_VERIFY (iconv_close (cd) == 0);
}
/* We test option parsing by converting UTF-8 inputs to ASCII under various
option combinations. The UTF-8 inputs fall into three categories:
- ASCII-only,
- non-ASCII,
- non-ASCII with invalid UTF-8 characters. */
/* 1. */
char ascii[] = "Just some ASCII text";
/* 2. Valid UTF-8 input and some corresponding expected outputs with various
options. The two non-ASCII characters below are accented alphabets:
an `a' then an `o'. */
char utf8[] = "UTF-8 text with \u00E1 couple \u00F3f non-ASCII characters";
char u2a[] = "UTF-8 text with ";
char u2a_translit[] = "UTF-8 text with a couple of non-ASCII characters";
char u2a_ignore[] = "UTF-8 text with couple f non-ASCII characters";
/* 3. Invalid UTF-8 input and some corresponding expected outputs. \xff is
invalid UTF-8. It's followed by some valid but non-ASCII UTF-8. */
char iutf8[] = "Invalid UTF-8 \xff\u27E6text\u27E7";
char iu2a[] = "Invalid UTF-8 ";
char iu2a_ignore[] = "Invalid UTF-8 text";
char iu2a_both[] = "Invalid UTF-8 [|text|]";
/* 4. Another invalid UTF-8 input and corresponding expected outputs. This time
the valid non-ASCII UTF-8 characters appear before the invalid \xff. */
char jutf8[] = "Invalid \u27E6UTF-8\u27E7 \xfftext";
char ju2a[] = "Invalid ";
char ju2a_translit[] = "Invalid [|UTF-8|] ";
char ju2a_ignore[] = "Invalid UTF-8 text";
char ju2a_both[] = "Invalid [|UTF-8|] text";
/* We also test option handling for character set names that have the form
"A/B". In this test, we test conversions "ISO-10646/UTF-8", and either
ISO-8859-1 or ASCII. */
/* 5. Accented 'A' and 'a' characters in ISO-8859-1 and UTF-8, and an
equivalent ASCII transliteration. */
char iso8859_1_a[] = {0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, /* Accented A's. */
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, /* Accented a's. */
0x00};
char utf8_a[] = "\u00C0\u00C1\u00C2\u00C3\u00C4\u00C5"
"\u00E0\u00E1\u00E2\u00E3\u00E4\u00E5";
char ascii_a[] = "AAAAAAaaaaaa";
/* 6. An invalid ASCII string where [0] is invalid and [1] is '~'. */
char iascii [] = {0x80, '~', '\0'};
char empty[] = "";
char ia2u_ignore[] = "~";
static int
do_test (void)
{
xsetlocale (LC_ALL, "en_US.UTF-8");
/* 0. iconv_open should gracefully fail for invalid character sets. */
TEST_VERIFY (iconv_open ("INVALID", "UTF-8") == (iconv_t) -1);
TEST_VERIFY (iconv_open ("UTF-8", "INVALID") == (iconv_t) -1);
TEST_VERIFY (iconv_open ("INVALID", "INVALID") == (iconv_t) -1);
/* 1. ASCII-only UTF-8 input should convert to ASCII with no changes: */
test_iconv ("ASCII", "UTF-8", ascii, strlen (ascii), 0, ascii, 0);
test_iconv ("ASCII//", "UTF-8", ascii, strlen (ascii), 0, ascii, 0);
test_iconv ("ASCII//TRANSLIT", "UTF-8", ascii, strlen (ascii), 0, ascii, 0);
test_iconv ("ASCII//TRANSLIT//", "UTF-8", ascii, strlen (ascii), 0, ascii,
0);
test_iconv ("ASCII//IGNORE", "UTF-8", ascii, strlen (ascii), 0, ascii, 0);
test_iconv ("ASCII//IGNORE//", "UTF-8", ascii, strlen (ascii), 0, ascii, 0);
/* 2. Valid UTF-8 input with non-ASCII characters: */
/* EILSEQ when converted to ASCII. */
test_iconv ("ASCII", "UTF-8", utf8, strlen (u2a), (size_t) -1, u2a, EILSEQ);
/* Converted without error with TRANSLIT enabled. */
test_iconv ("ASCII//TRANSLIT", "UTF-8", utf8, strlen (utf8), 2, u2a_translit,
0);
/* EILSEQ with IGNORE enabled. Non-ASCII chars dropped from output. */
test_iconv ("ASCII//IGNORE", "UTF-8", utf8, strlen (utf8), (size_t) -1,
u2a_ignore, EILSEQ);
/* With TRANSLIT and IGNORE enabled, transliterated without error. We test
four combinations. */
test_iconv ("ASCII//TRANSLIT,IGNORE", "UTF-8", utf8, strlen (utf8), 2,
u2a_translit, 0);
test_iconv ("ASCII//TRANSLIT//IGNORE", "UTF-8", utf8, strlen (utf8), 2,
u2a_translit, 0);
test_iconv ("ASCII//IGNORE,TRANSLIT", "UTF-8", utf8, strlen (utf8), 2,
u2a_translit, 0);
/* Due to bug 19519, iconv was ignoring TRANSLIT for the following input. */
test_iconv ("ASCII//IGNORE//TRANSLIT", "UTF-8", utf8, strlen (utf8), 2,
u2a_translit, 0);
/* Misspellings of TRANSLIT and IGNORE are ignored, but conversion still
works while respecting any other correctly spelled options. */
test_iconv ("ASCII//T", "UTF-8", utf8, strlen (u2a), (size_t) -1, u2a,
EILSEQ);
test_iconv ("ASCII//TRANSLITERATE", "UTF-8", utf8, strlen (u2a), (size_t) -1,
u2a, EILSEQ);
test_iconv ("ASCII//I", "UTF-8", utf8, strlen (u2a), (size_t) -1, u2a,
EILSEQ);
test_iconv ("ASCII//IGNORED", "UTF-8", utf8, strlen (u2a), (size_t) -1, u2a,
EILSEQ);
test_iconv ("ASCII//TRANSLITERATE//IGNORED", "UTF-8", utf8, strlen (u2a),
(size_t) -1, u2a, EILSEQ);
test_iconv ("ASCII//IGNORED,TRANSLITERATE", "UTF-8", utf8, strlen (u2a),
(size_t) -1, u2a, EILSEQ);
test_iconv ("ASCII//T//I", "UTF-8", utf8, strlen (u2a), (size_t) -1, u2a,
EILSEQ);
test_iconv ("ASCII//TRANSLIT//I", "UTF-8", utf8, strlen (utf8), 2,
u2a_translit, 0);
/* Due to bug 19519, iconv was ignoring TRANSLIT for the following input. */
test_iconv ("ASCII//I//TRANSLIT", "UTF-8", utf8, strlen (utf8), 2,
u2a_translit, 0);
test_iconv ("ASCII//IGNORED,TRANSLIT", "UTF-8", utf8, strlen (utf8), 2,
u2a_translit, 0);
test_iconv ("ASCII//TRANSLIT,IGNORED", "UTF-8", utf8, strlen (utf8), 2,
u2a_translit, 0);
test_iconv ("ASCII//IGNORE,T", "UTF-8", utf8, strlen (utf8), (size_t) -1,
u2a_ignore, EILSEQ);
test_iconv ("ASCII//T,IGNORE", "UTF-8", utf8, strlen (utf8), (size_t) -1,
u2a_ignore, EILSEQ);
/* Due to bug 19519, iconv was ignoring IGNORE for the following input. */
test_iconv ("ASCII//TRANSLITERATE//IGNORE", "UTF-8", utf8, strlen (utf8),
(size_t) -1, u2a_ignore, EILSEQ);
test_iconv ("ASCII//IGNORE//TRANSLITERATE", "UTF-8", utf8, strlen (utf8),
(size_t) -1, u2a_ignore, EILSEQ);
/* 3. Invalid UTF-8 followed by some valid non-ASCII UTF-8 characters: */
/* EILSEQ; output is truncated at the first invalid UTF-8 character. */
test_iconv ("ASCII", "UTF-8", iutf8, strlen (iu2a), (size_t) -1, iu2a,
EILSEQ);
/* With TRANSLIT enabled: EILSEQ; output still truncated at the first invalid
UTF-8 character. */
test_iconv ("ASCII//TRANSLIT", "UTF-8", iutf8, strlen (iu2a), (size_t) -1,
iu2a, EILSEQ);
/* With IGNORE enabled: EILSEQ; output omits invalid UTF-8 characters and
valid UTF-8 non-ASCII characters. */
test_iconv ("ASCII//IGNORE", "UTF-8", iutf8, strlen (iutf8), (size_t) -1,
iu2a_ignore, EILSEQ);
/* With TRANSLIT and IGNORE enabled, output omits only invalid UTF-8
characters and transliterates valid non-ASCII UTF-8 characters. We test
four combinations. */
test_iconv ("ASCII//TRANSLIT,IGNORE", "UTF-8", iutf8, strlen (iutf8), 2,
iu2a_both, 0);
/* Due to bug 19519, iconv was ignoring IGNORE for the following input. */
test_iconv ("ASCII//TRANSLIT//IGNORE", "UTF-8", iutf8, strlen (iutf8), 2,
iu2a_both, 0);
test_iconv ("ASCII//IGNORE,TRANSLIT", "UTF-8", iutf8, strlen (iutf8), 2,
iu2a_both, 0);
/* Due to bug 19519, iconv was ignoring TRANSLIT for the following input. */
test_iconv ("ASCII//IGNORE//TRANSLIT", "UTF-8", iutf8, strlen (iutf8), 2,
iu2a_both, 0);
/* 4. Invalid UTF-8 with valid non-ASCII UTF-8 chars appearing first: */
/* EILSEQ; output is truncated at the first non-ASCII character. */
test_iconv ("ASCII", "UTF-8", jutf8, strlen (ju2a), (size_t) -1, ju2a,
EILSEQ);
/* With TRANSLIT enabled: EILSEQ; output now truncated at the first invalid
UTF-8 character. */
test_iconv ("ASCII//TRANSLIT", "UTF-8", jutf8, strlen (jutf8) - 5,
(size_t) -1, ju2a_translit, EILSEQ);
test_iconv ("ASCII//translit", "UTF-8", jutf8, strlen (jutf8) - 5,
(size_t) -1, ju2a_translit, EILSEQ);
/* With IGNORE enabled: EILSEQ; output omits invalid UTF-8 characters and
valid UTF-8 non-ASCII characters. */
test_iconv ("ASCII//IGNORE", "UTF-8", jutf8, strlen (jutf8), (size_t) -1,
ju2a_ignore, EILSEQ);
test_iconv ("ASCII//ignore", "UTF-8", jutf8, strlen (jutf8), (size_t) -1,
ju2a_ignore, EILSEQ);
/* With TRANSLIT and IGNORE enabled, output omits only invalid UTF-8
characters and transliterates valid non-ASCII UTF-8 characters. We test
several combinations. */
test_iconv ("ASCII//TRANSLIT,IGNORE", "UTF-8", jutf8, strlen (jutf8), 2,
ju2a_both, 0);
/* Due to bug 19519, iconv was ignoring IGNORE for the following input. */
test_iconv ("ASCII//TRANSLIT//IGNORE", "UTF-8", jutf8, strlen (jutf8), 2,
ju2a_both, 0);
test_iconv ("ASCII//IGNORE,TRANSLIT", "UTF-8", jutf8, strlen (jutf8), 2,
ju2a_both, 0);
/* Due to bug 19519, iconv was ignoring TRANSLIT for the following input. */
test_iconv ("ASCII//IGNORE//TRANSLIT", "UTF-8", jutf8, strlen (jutf8), 2,
ju2a_both, 0);
test_iconv ("ASCII//translit,ignore", "UTF-8", jutf8, strlen (jutf8), 2,
ju2a_both, 0);
/* Trailing whitespace and separators should be ignored. */
test_iconv ("ASCII//IGNORE,TRANSLIT ", "UTF-8", jutf8, strlen (jutf8), 2,
ju2a_both, 0);
test_iconv ("ASCII//IGNORE,TRANSLIT/", "UTF-8", jutf8, strlen (jutf8), 2,
ju2a_both, 0);
test_iconv ("ASCII//IGNORE,TRANSLIT//", "UTF-8", jutf8, strlen (jutf8), 2,
ju2a_both, 0);
test_iconv ("ASCII//IGNORE,TRANSLIT,", "UTF-8", jutf8, strlen (jutf8), 2,
ju2a_both, 0);
test_iconv ("ASCII//IGNORE,TRANSLIT,,", "UTF-8", jutf8, strlen (jutf8), 2,
ju2a_both, 0);
test_iconv ("ASCII//IGNORE,TRANSLIT /,", "UTF-8", jutf8, strlen (jutf8), 2,
ju2a_both, 0);
/* TRANSLIT or IGNORE suffixes in fromcode should be ignored. */
test_iconv ("ASCII", "UTF-8//TRANSLIT", jutf8, strlen (ju2a), (size_t) -1,
ju2a, EILSEQ);
test_iconv ("ASCII", "UTF-8//IGNORE", jutf8, strlen (ju2a), (size_t) -1,
ju2a, EILSEQ);
test_iconv ("ASCII", "UTF-8//TRANSLIT,IGNORE", jutf8, strlen (ju2a),
(size_t) -1, ju2a, EILSEQ);
/* 5. Charset names of the form "A/B/": */
/* ISO-8859-1 is converted to UTF-8 without needing transliteration. */
test_iconv ("ISO-10646/UTF-8", "ISO-8859-1", iso8859_1_a,
strlen (iso8859_1_a), 0, utf8_a, 0);
test_iconv ("ISO-10646/UTF-8/", "ISO-8859-1", iso8859_1_a,
strlen (iso8859_1_a), 0, utf8_a, 0);
test_iconv ("ISO-10646/UTF-8/IGNORE", "ISO-8859-1", iso8859_1_a,
strlen (iso8859_1_a), 0, utf8_a, 0);
test_iconv ("ISO-10646/UTF-8//IGNORE", "ISO-8859-1", iso8859_1_a,
strlen (iso8859_1_a), 0, utf8_a, 0);
test_iconv ("ISO-10646/UTF-8/TRANSLIT", "ISO-8859-1", iso8859_1_a,
strlen (iso8859_1_a), 0, utf8_a, 0);
test_iconv ("ISO-10646/UTF-8//TRANSLIT", "ISO-8859-1", iso8859_1_a,
strlen (iso8859_1_a), 0, utf8_a, 0);
test_iconv ("ISO-10646/UTF-8//TRANSLIT/IGNORE", "ISO-8859-1", iso8859_1_a,
strlen (iso8859_1_a), 0, utf8_a, 0);
test_iconv ("ISO-10646/UTF-8//TRANSLIT//IGNORE", "ISO-8859-1", iso8859_1_a,
strlen (iso8859_1_a), 0, utf8_a, 0);
test_iconv ("ISO-10646/UTF-8/TRANSLIT,IGNORE", "ISO-8859-1", iso8859_1_a,
strlen (iso8859_1_a), 0, utf8_a, 0);
/* UTF-8 with accented A's is converted to ASCII with transliteration. */
test_iconv ("ASCII", "ISO-10646/UTF-8", utf8_a,
0, (size_t) -1, empty, EILSEQ);
test_iconv ("ASCII//IGNORE", "ISO-10646/UTF-8", utf8_a,
strlen (utf8_a), (size_t) -1, empty, EILSEQ);
test_iconv ("ASCII//TRANSLIT", "ISO-10646/UTF-8", utf8_a,
strlen (utf8_a), 12, ascii_a, 0);
/* Invalid ASCII is converted to UTF-8 only with IGNORE. */
test_iconv ("ISO-10646/UTF-8", "ASCII", iascii, strlen (empty), (size_t) -1,
empty, EILSEQ);
test_iconv ("ISO-10646/UTF-8/TRANSLIT", "ASCII", iascii, strlen (empty),
(size_t) -1, empty, EILSEQ);
test_iconv ("ISO-10646/UTF-8/IGNORE", "ASCII", iascii, strlen (iascii),
(size_t) -1, ia2u_ignore, EILSEQ);
test_iconv ("ISO-10646/UTF-8/TRANSLIT,IGNORE", "ASCII", iascii,
strlen (iascii), (size_t) -1, ia2u_ignore, EILSEQ);
/* Due to bug 19519, iconv was ignoring IGNORE for the following three
inputs: */
test_iconv ("ISO-10646/UTF-8/TRANSLIT/IGNORE", "ASCII", iascii,
strlen (iascii), (size_t) -1, ia2u_ignore, EILSEQ);
test_iconv ("ISO-10646/UTF-8//TRANSLIT,IGNORE", "ASCII", iascii,
strlen (iascii), (size_t) -1, ia2u_ignore, EILSEQ);
test_iconv ("ISO-10646/UTF-8//TRANSLIT//IGNORE", "ASCII", iascii,
strlen (iascii), (size_t) -1, ia2u_ignore, EILSEQ);
return 0;
}
#include <support/test-driver.c>
|
