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/*
* 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>
#define MSG "printf test failed: %s, %s", real, expected
#if defined(__GNUC__) && __GNUC__ >= 7
#pragma GCC diagnostic ignored "-Wformat-truncation="
#endif
static void
printf_test (void)
{
char real[512];
char expected[512];
char *null = NULL;
grub_snprintf (real, sizeof (real), "%s", null);
snprintf (expected, sizeof (expected), "%s", null);
grub_test_assert (strcmp (real, expected) == 0, MSG);
grub_snprintf (real, sizeof (real), "%10s", null);
snprintf (expected, sizeof (expected), "%10s", null);
grub_test_assert (strcmp (real, expected) == 0, MSG);
grub_snprintf (real, sizeof (real), "%-10s", null);
snprintf (expected, sizeof (expected), "%-10s", null);
grub_test_assert (strcmp (real, expected) == 0, MSG);
grub_snprintf (real, sizeof (real), "%d%%", 10);
snprintf (expected, sizeof (expected), "%d%%", 10);
grub_test_assert (strcmp (real, expected) == 0, MSG);
grub_snprintf (real, sizeof (real), "%d %%", 10);
snprintf (expected, sizeof (expected), "%d %%", 10);
grub_test_assert (strcmp (real, expected) == 0, MSG);
grub_snprintf (real, sizeof (real), "%%");
snprintf (expected, sizeof (expected), "%%");
grub_test_assert (strcmp (real, expected) == 0, MSG);
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, MSG);
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, MSG);
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, MSG);
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, MSG);
grub_snprintf (real, sizeof (real), "%%0%dd ", 1);
snprintf (expected, sizeof (expected), "%%0%dd ", 1);
grub_test_assert (strcmp (real, expected) == 0, MSG);
}
GRUB_UNIT_TEST ("printf_unit_test", printf_test);
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