Mercurial > hg > octave-nkf > gnulib-hg
changeset 8328:2773a5eebd49
Tests for module 'vsnprintf'.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 04 Mar 2007 18:03:57 +0000 |
parents | ce1d4fb435ff |
children | b1c7067683a6 |
files | ChangeLog modules/vsnprintf-tests tests/test-vsnprintf.c |
diffstat | 3 files changed, 87 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2007-03-04 Bruno Haible <bruno@clisp.org> + * modules/vsnprintf-tests: New file. + * tests/test-vsnprintf.c: New file. + * modules/snprintf-tests: New file. * tests/test-snprintf.c: New file.
new file mode 100644 --- /dev/null +++ b/modules/vsnprintf-tests @@ -0,0 +1,11 @@ +Files: +tests/test-vsnprintf.c + +Depends-on: + +configure.ac: + +Makefile.am: +TESTS += test-vsnprintf +check_PROGRAMS += test-vsnprintf +
new file mode 100644 --- /dev/null +++ b/tests/test-vsnprintf.c @@ -0,0 +1,73 @@ +/* Test of vsnprintf() function. + Copyright (C) 2007 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> + +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> + +#define ASSERT(expr) if (!(expr)) abort (); + +static int +my_snprintf (char *buf, int size, const char *format, ...) +{ + va_list args; + int ret; + + va_start (args, format); + ret = vsnprintf (buf, size, format, args); + va_end (args); + return ret; +} + +int +main (int argc, char *argv[]) +{ + char buf[8]; + int size; + int retval; + + for (size = 0; size <= 8; size++) + { + memcpy (buf, "DEADBEEF", 8); + retval = my_snprintf (buf, size, "%d", 12345); + if (size < 6) + { + ASSERT (retval < 0 || retval >= size); + if (size > 0) + { + ASSERT (memcmp (buf, "12345", size - 1) == 0); + ASSERT (buf[size - 1] == '\0' || buf[size - 1] == '0' + size); + } + ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0); + } + else + { + ASSERT (retval == 5); + ASSERT (memcmp (buf, "12345\0EF", 8) == 0); + } + } + + return 0; +}