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
|
/* Verify the BIG5HKSCS outputs that generate 2 wchar_t's (Bug 25734).
Copyright (C) 2020-2022 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 <stdio.h>
#include <string.h>
#include <locale.h>
#include <wchar.h>
#include <support/check.h>
#include <support/support.h>
/* A few BIG5-HKSCS characters map in two unicode code points.
They are:
/x88/x62 => <U00CA><U0304>
/x88/x64 => <U00CA><U030C>
/x88/xa3 => <U00EA><U0304>
/x88/xa5 => <U00EA><U030C>
Each of these is special cased in iconvdata/big5hkscs.c.
This test ensures that we correctly reset the shift state after
outputting any of these characters. We do this by converting
each them followed by converting an ASCII character. If we fail
to reset the shift state (bug 25734) then we'll see the last
character in the queue output again. */
/* Each test has name, input bytes, and expected wide character
output. */
struct testdata {
const char *name;
const char input[3];
wchar_t expected[3];
};
/* In BIG5-HKSCS (2008) there are 4 characters that generate multiple
wide characters. */
struct testdata tests[4] = {
/* <H-8862>X => <U+00CA><U+0304>X */
{ "<H-8862>", "\x88\x62\x58", { 0x00CA, 0x0304, 0x0058 } },
/* <H-8864>X => <U+00CA><U+030C>X */
{ "<H-8864>", "\x88\x64\x58", { 0x00CA, 0x030C, 0x0058 } },
/* <H-88A3>X => <U+00EA><U+0304>X */
{ "<H-88A3>", "\x88\xa3\x58", { 0x00EA, 0x0304, 0x0058 } },
/* <H-88A5>X => <U+00EA><U+030C>X */
{ "<H-88A5>", "\x88\xa5\x58", { 0x00EA, 0x030C, 0x0058 } }
};
/* Each test is of the form:
- Translate first code sequence (two bytes)
- Translate second (zero bytes)
- Translate the third (one byte). */
static int
check_conversion (struct testdata test)
{
int err = 0;
wchar_t wc;
mbstate_t st;
size_t ret;
const char *mbs = test.input;
int consumed = 0;
/* Input is always 3 bytes long. */
int inlen = 3;
memset (&st, 0, sizeof (st));
/* First conversion: Consumes first 2 bytes. */
ret = mbrtowc (&wc, mbs, inlen - consumed, &st);
if (ret != 2)
{
printf ("error: First conversion consumed only %zd bytes.\n", ret);
err++;
}
/* Advance the two consumed bytes. */
mbs += ret;
consumed += ret;
if (wc != test.expected[0])
{
printf ("error: Result of first conversion was wrong.\n");
err++;
}
/* Second conversion: Consumes 0 bytes. */
ret = mbrtowc (&wc, mbs, inlen - consumed, &st);
if (ret != 0)
{
printf ("error: Second conversion consumed only %zd bytes.\n", ret);
err++;
}
/* Advance the zero consumed bytes. */
mbs += ret;
consumed += ret;
if (wc != test.expected[1])
{
printf ("error: Result of second conversion was wrong.\n");
err++;
}
/* After the second conversion the state of the converter should be
in the initial state. It is in the initial state because the two
input BIG5-HKSCS bytes have been consumed and the 2 wchar_t's have
been output. */
if (mbsinit (&st) == 0)
{
printf ("error: Converter not in initial state.\n");
err++;
}
/* Third conversion: Consumes 1 byte (it's an ASCII character). */
ret = mbrtowc (&wc, mbs, inlen - consumed, &st);
if (ret != 1)
{
printf ("error: Third conversion consumed only %zd bytes.\n", ret);
err++;
}
/* Advance the one byte. */
mbs += ret;
consumed += ret;
if (wc != test.expected[2])
{
printf ("error: Result of third conversion was wrong.\n");
err++;
}
/* Now perform the same test as above consuming one byte at a time. */
mbs = test.input;
memset (&st, 0, sizeof (st));
/* Consume the first byte; expect an incomplete multibyte character. */
ret = mbrtowc (&wc, mbs, 1, &st);
if (ret != -2)
{
printf ("error: First byte conversion returned %zd.\n", ret);
err++;
}
/* Advance past the first consumed byte. */
mbs += 1;
/* Consume the second byte; expect the first wchar_t. */
ret = mbrtowc (&wc, mbs, 1, &st);
if (ret != 1)
{
printf ("error: Second byte conversion returned %zd.\n", ret);
err++;
}
/* Advance past the second consumed byte. */
mbs += 1;
if (wc != test.expected[0])
{
printf ("error: Result of first wchar_t conversion was wrong.\n");
err++;
}
/* Consume no bytes; expect the second wchar_t. */
ret = mbrtowc (&wc, mbs, 1, &st);
if (ret != 0)
{
printf ("error: First attempt of third byte conversion returned %zd.\n", ret);
err++;
}
/* Do not advance past the third byte. */
mbs += 0;
if (wc != test.expected[1])
{
printf ("error: Result of second wchar_t conversion was wrong.\n");
err++;
}
/* After the second wchar_t conversion, the converter should be in
the initial state since the two input BIG5-HKSCS bytes have been
consumed and the two wchar_t's have been output. */
if (mbsinit (&st) == 0)
{
printf ("error: Converter not in initial state.\n");
err++;
}
/* Consume the third byte; expect the third wchar_t. */
ret = mbrtowc (&wc, mbs, 1, &st);
if (ret != 1)
{
printf ("error: Third byte conversion returned %zd.\n", ret);
err++;
}
/* Advance past the third consumed byte. */
mbs += 1;
if (wc != test.expected[2])
{
printf ("error: Result of third wchar_t conversion was wrong.\n");
err++;
}
/* Return 0 if we saw no errors. */
return err;
}
static int
do_test (void)
{
int err = 0;
int ret;
/* Testing BIG5-HKSCS. */
xsetlocale (LC_ALL, "zh_HK.BIG5-HKSCS");
/* Run all the special conversions. */
for (int i = 0; i < (sizeof (tests) / sizeof (struct testdata)); i++)
{
printf ("Running test for %s\n", tests[i].name);
ret = check_conversion (tests[i]);
if (ret > 0)
printf ("Test %s failed.\n", tests[i].name);
err += ret;
}
/* Fail if any conversion had an error. */
if (err > 0)
FAIL_EXIT1 ("One or more conversions failed.");
return 0;
}
#include <support/test-driver.c>
|
