summaryrefslogtreecommitdiff
path: root/tests/test-vasnwprintf-gnu.c
blob: 1d48cd81724779415cee68b4a14268117071d8c7 (plain)
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
/* Test of POSIX and GNU compatible vasnwprintf() and asnwprintf() functions.
   Copyright (C) 2007-2023 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2023.  */

#include <config.h>

#include "vasnwprintf.h"

#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>

#include "macros.h"

static void
test_function (wchar_t * (*my_asnwprintf) (wchar_t *, size_t *, const wchar_t *, ...))
{
  /* Test the support of the 'b' conversion specifier for binary output of
     integers.  */

  { /* Zero.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%b %d", 0, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"0 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* A positive number.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"11000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* A large positive number.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%b %d", 0xFFFFFFFEU, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"11111111111111111111111111111110 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* Width.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%20b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"      11000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* Width given as argument.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%*b %d", 20, 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"      11000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* Negative width given as argument (cf. FLAG_LEFT below).  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%*b %d", -20, 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"11000000111001       33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* Precision.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%.20b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"00000011000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* Zero precision and a positive number.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%.0b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"11000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* Zero precision and a zero number.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%.0b %d", 0, 33, 44, 55);
    ASSERT (result != NULL);
    /* ISO C and POSIX specify that "The result of converting a zero value
       with a precision of zero is no characters."  */
    ASSERT (wcscmp (result, L" 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* Width and precision.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%25.20b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"     00000011000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* Padding and precision.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%025.20b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    /* Neither ISO C nor POSIX specify that the '0' flag is ignored when
       a width and a precision are both present.  But implementations do so.  */
    ASSERT (wcscmp (result, L"     00000011000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* FLAG_LEFT.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%-20b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"11000000111001       33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* FLAG_ALT with zero.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%#b %d", 0, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"0 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* FLAG_ALT with a positive number.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%#b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"0b11000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* FLAG_ALT with a positive number and width.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%#20b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"    0b11000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* FLAG_ALT with a positive number and padding.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%0#20b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"0b000011000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* FLAG_ALT with a positive number and precision.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%0#.20b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"0b00000011000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* FLAG_ALT with a positive number and width and precision.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%#25.20b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    ASSERT (wcscmp (result, L"   0b00000011000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* FLAG_ALT with a positive number and padding and precision.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%0#25.20b %d", 12345, 33, 44, 55);
    ASSERT (result != NULL);
    /* Neither ISO C nor POSIX specify that the '0' flag is ignored when
       a width and a precision are both present.  But implementations do so.  */
    ASSERT (wcscmp (result, L"   0b00000011000000111001 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }

  { /* FLAG_ALT with a zero precision and a zero number.  */
    size_t length;
    wchar_t *result =
      my_asnwprintf (NULL, &length, L"%#.0b %d", 0, 33, 44, 55);
    ASSERT (result != NULL);
    /* ISO C and POSIX specify that "The result of converting a zero value
       with a precision of zero is no characters.", and the prefix is added
       only for non-zero values.  */
    ASSERT (wcscmp (result, L" 33") == 0);
    ASSERT (length == wcslen (result));
    free (result);
  }
}

static wchar_t *
my_asnwprintf (wchar_t *resultbuf, size_t *lengthp, const wchar_t *format, ...)
{
  va_list args;
  wchar_t *ret;

  va_start (args, format);
  ret = vasnwprintf (resultbuf, lengthp, format, args);
  va_end (args);
  return ret;
}

static void
test_vasnwprintf ()
{
  test_function (my_asnwprintf);
}

static void
test_asnwprintf ()
{
  test_function (asnwprintf);
}

int
main (int argc, char *argv[])
{
  test_vasnwprintf ();
  test_asnwprintf ();
  return 0;
}