12d4f965cd
* tests/printf_unit_test.c: New file. * Makefile.util.def (printf_test): New test. * grub-core/kern/misc.c (grub_vsnprintf_real): Support %1$d syntax.
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2011 Free Software Foundation, Inc.
|
|
*
|
|
* GRUB is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <grub/test.h>
|
|
#include <grub/misc.h>
|
|
|
|
static void
|
|
printf_test (void)
|
|
{
|
|
char real[512];
|
|
char expected[512];
|
|
grub_snprintf (real, sizeof (real), "%d %d %d", 1, 2, 3);
|
|
snprintf (expected, sizeof (expected), "%d %d %d", 1, 2, 3);
|
|
grub_test_assert (strcmp (real, expected) == 0);
|
|
grub_snprintf (real, sizeof (real), "%3$d %2$d %1$d", 1, 2, 3);
|
|
snprintf (expected, sizeof (expected), "%3$d %2$d %1$d", 1, 2, 3);
|
|
grub_test_assert (strcmp (real, expected) == 0);
|
|
grub_snprintf (real, sizeof (real), "%d %lld %d", 1, 2LL, 3);
|
|
snprintf (expected, sizeof (expected), "%d %lld %d", 1, 2LL, 3);
|
|
grub_test_assert (strcmp (real, expected) == 0);
|
|
grub_snprintf (real, sizeof (real), "%3$d %2$lld %1$d", 1, 2LL, 3);
|
|
snprintf (expected, sizeof (expected), "%3$d %2$lld %1$d", 1, 2LL, 3);
|
|
grub_test_assert (strcmp (real, expected) == 0);
|
|
}
|
|
|
|
GRUB_UNIT_TEST ("printf_unit_test", printf_test);
|