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annotate tests/test-c-snprintf.c @ 40186:8964917f9574

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author Karl Berry <karl@freefriends.org>
date Mon, 18 Feb 2019 08:02:49 -0800
parents b06060465f09
children
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1 /* Test of c_snprintf() function.
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Paul Eggert <eggert@cs.ucla.edu>
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2 Copyright (C) 2011-2019 Free Software Foundation, Inc.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
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16
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17 #include <config.h>
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18
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19 #include "c-snprintf.h"
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20
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21 #include <locale.h>
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22 #include <stdio.h>
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23 #include <string.h>
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24
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25 #include "macros.h"
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26
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27 int
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28 main (int argc, char *argv[])
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29 {
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30 /* configure should already have checked that the locale is supported. */
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31 if (setlocale (LC_ALL, "") == NULL)
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32 return 1;
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33
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34 /* Test behaviour of snprintf() as a "control group".
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35 (We should be running in a locale where ',' is the decimal point.) */
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36 {
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37 char s[16];
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38
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39 snprintf (s, sizeof s, "%#.0f", 1.0);
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40 if (!strcmp (s, "1."))
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41 {
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42 /* Skip the test, since we're not in a useful locale for testing. */
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43 return 77;
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44 }
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45 ASSERT (!strcmp (s, "1,"));
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46 }
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47
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48 /* Test behaviour of c_snprintf().
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49 It should always use '.' as the decimal point. */
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50 {
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51 char s[16];
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52
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53 c_snprintf (s, sizeof s, "%#.0f", 1.0);
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54 ASSERT (!strcmp (s, "1."));
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55 }
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56
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57 return 0;
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58 }