mirror of
https://git.savannah.gnu.org/git/gnulib.git
synced 2025-08-08 17:22:05 +03:00
783f2967e2
* modules/string-buffer (License): Change to LGPL. * tests/test-string-buffer.c (main): Add another sb_appendf call, that is more likely to fail.
116 lines
3.0 KiB
C
116 lines
3.0 KiB
C
/* Test of buffer that accumulates a string by piecewise concatenation.
|
|
Copyright (C) 2021 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 2, 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>, 2021. */
|
|
|
|
#include <config.h>
|
|
|
|
#include "string-buffer.h"
|
|
|
|
#include <string.h>
|
|
|
|
#include "macros.h"
|
|
|
|
static int
|
|
my_appendf (struct string_buffer *buffer, const char *formatstring, ...)
|
|
{
|
|
va_list args;
|
|
|
|
va_start (args, formatstring);
|
|
int ret = sb_appendvf (buffer, formatstring, args);
|
|
va_end (args);
|
|
|
|
return ret;
|
|
}
|
|
|
|
char invalid_format_string_1[] = "%&";
|
|
char invalid_format_string_2[] = "%^";
|
|
|
|
int
|
|
main ()
|
|
{
|
|
/* Test simple string concatenation. */
|
|
{
|
|
struct string_buffer buffer;
|
|
|
|
sb_init (&buffer);
|
|
char *s = sb_dupfree (&buffer);
|
|
ASSERT (s != NULL && strcmp (s, "") == 0);
|
|
free (s);
|
|
}
|
|
|
|
{
|
|
struct string_buffer buffer;
|
|
|
|
sb_init (&buffer);
|
|
sb_append (&buffer, "abc");
|
|
sb_append (&buffer, "");
|
|
sb_append (&buffer, "defg");
|
|
char *s = sb_dupfree (&buffer);
|
|
ASSERT (s != NULL && strcmp (s, "abcdefg") == 0);
|
|
free (s);
|
|
}
|
|
|
|
/* Test printf-like formatting. */
|
|
{
|
|
struct string_buffer buffer;
|
|
|
|
sb_init (&buffer);
|
|
sb_append (&buffer, "<");
|
|
sb_appendf (&buffer, "%x", 3735928559U);
|
|
sb_append (&buffer, ">");
|
|
char *s = sb_dupfree (&buffer);
|
|
ASSERT (s != NULL && strcmp (s, "<deadbeef>") == 0);
|
|
free (s);
|
|
}
|
|
|
|
/* Test vprintf-like formatting. */
|
|
{
|
|
struct string_buffer buffer;
|
|
|
|
sb_init (&buffer);
|
|
sb_append (&buffer, "<");
|
|
my_appendf (&buffer, "%x", 3735928559U);
|
|
sb_append (&buffer, ">");
|
|
char *s = sb_dupfree (&buffer);
|
|
ASSERT (s != NULL && strcmp (s, "<deadbeef>") == 0);
|
|
free (s);
|
|
}
|
|
|
|
/* Test printf-like formatting failure.
|
|
On all systems except AIX, trying to convert the wide-character 0x76543210
|
|
to a multibyte string (in the "C" locale) fails.
|
|
On all systems where REPLACE_VSNPRINTF=1 (this includes AIX), i.e. where
|
|
the Gnulib implementation of vsnprintf() is used), invalid format
|
|
directives make the *printf call fail. */
|
|
{
|
|
struct string_buffer buffer;
|
|
|
|
sb_init (&buffer);
|
|
sb_append (&buffer, "<");
|
|
sb_appendf (&buffer, "%lc", 0x76543210);
|
|
sb_append (&buffer, "|");
|
|
sb_appendf (&buffer, invalid_format_string_1, 1);
|
|
sb_append (&buffer, "|");
|
|
sb_appendf (&buffer, invalid_format_string_2, 2);
|
|
sb_append (&buffer, ">");
|
|
char *s = sb_dupfree (&buffer);
|
|
ASSERT (s == NULL);
|
|
}
|
|
|
|
return 0;
|
|
}
|