159 lines
4.5 KiB
C
159 lines
4.5 KiB
C
/* Tests of removing leading and/or trailing whitespaces.
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Copyright (C) 2023-2026 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2023. */
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#include <config.h>
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/* Specification. */
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#include "trim.h"
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "macros.h"
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static void
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test_ascii (void)
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{
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{
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char *result = trim ("");
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ASSERT (strcmp (result, "") == 0);
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free (result);
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result = trim_leading ("");
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ASSERT (strcmp (result, "") == 0);
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free (result);
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result = trim_trailing ("");
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ASSERT (strcmp (result, "") == 0);
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free (result);
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}
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{
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char *result = trim (" ");
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ASSERT (strcmp (result, "") == 0);
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free (result);
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result = trim_leading (" ");
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ASSERT (strcmp (result, "") == 0);
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free (result);
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result = trim_trailing (" ");
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ASSERT (strcmp (result, "") == 0);
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free (result);
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}
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{
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char *result = trim ("Hello world");
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ASSERT (strcmp (result, "Hello world") == 0);
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free (result);
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result = trim_leading ("Hello world");
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ASSERT (strcmp (result, "Hello world") == 0);
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free (result);
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result = trim_trailing ("Hello world");
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ASSERT (strcmp (result, "Hello world") == 0);
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free (result);
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}
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{
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char *result = trim (" Hello world");
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ASSERT (strcmp (result, "Hello world") == 0);
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free (result);
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result = trim_leading (" Hello world");
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ASSERT (strcmp (result, "Hello world") == 0);
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free (result);
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result = trim_trailing (" Hello world");
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ASSERT (strcmp (result, " Hello world") == 0);
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free (result);
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}
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{
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char *result = trim ("Hello world ");
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ASSERT (strcmp (result, "Hello world") == 0);
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free (result);
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result = trim_leading ("Hello world ");
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ASSERT (strcmp (result, "Hello world ") == 0);
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free (result);
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result = trim_trailing ("Hello world ");
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ASSERT (strcmp (result, "Hello world") == 0);
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free (result);
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}
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{
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char *result = trim (" Hello world ");
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ASSERT (strcmp (result, "Hello world") == 0);
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free (result);
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result = trim_leading (" Hello world ");
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ASSERT (strcmp (result, "Hello world ") == 0);
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free (result);
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result = trim_trailing (" Hello world ");
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ASSERT (strcmp (result, " Hello world") == 0);
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free (result);
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}
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}
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int
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main (int argc, char *argv[])
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{
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/* configure should already have checked that the locale is supported. */
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if (setlocale (LC_ALL, "") == NULL)
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return 1;
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/* Test ASCII arguments. */
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test_ascii ();
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if (argc > 1)
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switch (argv[1][0])
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{
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case '1':
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/* C or POSIX locale. */
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return test_exit_status;
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case '2':
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/* Locale encoding is UTF-8. */
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{ /* U+2002 EN SPACE */
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char *result = trim ("\342\200\202\302\267foo\342\200\202");
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ASSERT (strcmp (result, "\302\267foo") == 0);
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free (result);
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}
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{ /* U+3000 IDEOGRAPHIC SPACE */
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char *result = trim ("\343\200\200\302\267foo\343\200\200");
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ASSERT (strcmp (result, "\302\267foo") == 0);
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free (result);
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}
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return test_exit_status;
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case '3':
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/* Locale encoding is GB18030. */
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#if !((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
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{ /* U+2002 EN SPACE */
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char *result = trim ("\201\066\243\070\241\244foo\201\066\243\070");
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ASSERT (strcmp (result, "\241\244foo") == 0);
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free (result);
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}
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#endif
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#if !((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __illumos__)
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{ /* U+3000 IDEOGRAPHIC SPACE */
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char *result = trim ("\241\241\241\244foo\241\241");
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ASSERT (strcmp (result, "\241\244foo") == 0);
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free (result);
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}
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#endif
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return test_exit_status;
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}
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return 1;
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}
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