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tests: add unit tests for lxc_safe_long()

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Signed-off-by: Christian Brauner <christian.brauner@canonical.com>
This commit is contained in:
Christian Brauner 2016-10-29 12:39:54 +02:00
parent 8c57d93034
commit cb9df6d4a7
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GPG Key ID: 8EB056D53EECB12D
1 changed files with 38 additions and 1 deletions
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39
src/tests/lxc-test-utils.c
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@ -22,10 +22,12 @@
*/
#define _GNU_SOURCE
#define __STDC_FORMAT_MACROS
#include <errno.h>
#include <fcntl.h>
#include <sched.h>
#include <inttypes.h>
#include <limits.h>
#include <sched.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -283,6 +285,40 @@ void test_lxc_safe_int(void)
lxc_test_assert_abort((-ERANGE == lxc_safe_int(int_max, &n)));
}
void test_lxc_safe_long(void)
{
int ret;
signed long int n;
size_t len = /* 2^64 = 21 - 1 */ 21;
char long_max[len];
ret = snprintf(long_max, len, "%lld", LLONG_MAX);
if (ret < 0 || (size_t)ret >= len) {
lxc_error("%s\n", "Failed to create string via snprintf().");
exit(EXIT_FAILURE);
}
lxc_test_assert_abort((0 == lxc_safe_long("1234345", &n)) && n == 1234345);
lxc_test_assert_abort((0 == lxc_safe_long(" 345", &n)) && n == 345);
lxc_test_assert_abort((0 == lxc_safe_long("-1234345", &n)) && n == -1234345);
lxc_test_assert_abort((0 == lxc_safe_long(" -345", &n)) && n == -345);
lxc_test_assert_abort((-EINVAL == lxc_safe_long(" g345", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_long(" 3g45", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_long(" 345g", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_long("g345", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_long("3g45", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_long("345g", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_long("g345 ", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_long("3g45 ", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_long("345g ", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_long("g", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_long(" g345", &n)));
if (LONG_MAX != LLONG_MAX)
lxc_test_assert_abort((-ERANGE == lxc_safe_long(long_max, &n)));
else
lxc_test_assert_abort((0 == lxc_safe_long(long_max, &n)) && n == LONG_MAX);
}
void test_lxc_string_replace(void)
{
char *s;
@ -343,6 +379,7 @@ int main(int argc, char *argv[])
test_detect_ramfs_rootfs();
test_lxc_safe_uint();
test_lxc_safe_int();
test_lxc_safe_long();
exit(EXIT_SUCCESS);
}