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/* Tests of removing leading and/or trailing whitespaces.
Copyright (C) 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>
/* Specification. */
#include "trim.h"
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "macros.h"
static void
test_ascii (void)
{
{
char *result = trim ("");
ASSERT (strcmp (result, "") == 0);
free (result);
result = trim_leading ("");
ASSERT (strcmp (result, "") == 0);
free (result);
result = trim_trailing ("");
ASSERT (strcmp (result, "") == 0);
free (result);
}
{
char *result = trim (" ");
ASSERT (strcmp (result, "") == 0);
free (result);
result = trim_leading (" ");
ASSERT (strcmp (result, "") == 0);
free (result);
result = trim_trailing (" ");
ASSERT (strcmp (result, "") == 0);
free (result);
}
{
char *result = trim ("Hello world");
ASSERT (strcmp (result, "Hello world") == 0);
free (result);
result = trim_leading ("Hello world");
ASSERT (strcmp (result, "Hello world") == 0);
free (result);
result = trim_trailing ("Hello world");
ASSERT (strcmp (result, "Hello world") == 0);
free (result);
}
{
char *result = trim (" Hello world");
ASSERT (strcmp (result, "Hello world") == 0);
free (result);
result = trim_leading (" Hello world");
ASSERT (strcmp (result, "Hello world") == 0);
free (result);
result = trim_trailing (" Hello world");
ASSERT (strcmp (result, " Hello world") == 0);
free (result);
}
{
char *result = trim ("Hello world ");
ASSERT (strcmp (result, "Hello world") == 0);
free (result);
result = trim_leading ("Hello world ");
ASSERT (strcmp (result, "Hello world ") == 0);
free (result);
result = trim_trailing ("Hello world ");
ASSERT (strcmp (result, "Hello world") == 0);
free (result);
}
{
char *result = trim (" Hello world ");
ASSERT (strcmp (result, "Hello world") == 0);
free (result);
result = trim_leading (" Hello world ");
ASSERT (strcmp (result, "Hello world ") == 0);
free (result);
result = trim_trailing (" Hello world ");
ASSERT (strcmp (result, " Hello world") == 0);
free (result);
}
}
int
main (int argc, char *argv[])
{
/* configure should already have checked that the locale is supported. */
if (setlocale (LC_ALL, "") == NULL)
return 1;
/* Test ASCII arguments. */
test_ascii ();
if (argc > 1)
switch (argv[1][0])
{
case '1':
/* C or POSIX locale. */
return 0;
case '2':
/* Locale encoding is UTF-8. */
{ /* U+2002 EN SPACE */
char *result = trim ("\342\200\202\302\267foo\342\200\202");
ASSERT (strcmp (result, "\302\267foo") == 0);
free (result);
}
{ /* U+3000 IDEOGRAPHIC SPACE */
char *result = trim ("\343\200\200\302\267foo\343\200\200");
ASSERT (strcmp (result, "\302\267foo") == 0);
free (result);
}
return 0;
case '3':
/* Locale encoding is GB18030. */
#if !(defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
{ /* U+2002 EN SPACE */
char *result = trim ("\201\066\243\070\241\244foo\201\066\243\070");
ASSERT (strcmp (result, "\241\244foo") == 0);
free (result);
}
#endif
#if !(defined __FreeBSD__ || defined __DragonFly__)
{ /* U+3000 IDEOGRAPHIC SPACE */
char *result = trim ("\241\241\241\244foo\241\241");
ASSERT (strcmp (result, "\241\244foo") == 0);
free (result);
}
#endif
return 0;
}
return 1;
}
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