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tests: lxc_safe_{u}int() add corner-case tests

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2017-05-12 01:16:18 +02:00
parent 643c19840f
commit 15fe2189e6
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GPG Key ID: 8EB056D53EECB12D
1 changed files with 37 additions and 0 deletions
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37
src/tests/lxc-test-utils.c
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@ -228,7 +228,22 @@ non_test_error:
void test_lxc_safe_uint(void)
{
int ret;
unsigned int n;
char numstr[LXC_NUMSTRLEN64];
lxc_test_assert_abort((-EINVAL == lxc_safe_uint(" -123", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_uint("-123", &n)));
ret = snprintf(numstr, LXC_NUMSTRLEN64, "%" PRIu64, (uint64_t)UINT_MAX);
if (ret < 0 || ret >= LXC_NUMSTRLEN64)
exit(EXIT_FAILURE);
lxc_test_assert_abort((0 == lxc_safe_uint(numstr, &n)) && n == UINT_MAX);
ret = snprintf(numstr, LXC_NUMSTRLEN64, "%" PRIu64, (uint64_t)UINT_MAX + 1);
if (ret < 0 || ret >= LXC_NUMSTRLEN64)
exit(EXIT_FAILURE);
lxc_test_assert_abort((-ERANGE == lxc_safe_uint(numstr, &n)));
lxc_test_assert_abort((0 == lxc_safe_uint("1234345", &n)) && n == 1234345);
lxc_test_assert_abort((0 == lxc_safe_uint(" 345", &n)) && n == 345);
@ -247,7 +262,29 @@ void test_lxc_safe_uint(void)
void test_lxc_safe_int(void)
{
int ret;
signed int n;
char numstr[LXC_NUMSTRLEN64];
ret = snprintf(numstr, LXC_NUMSTRLEN64, "%" PRIu64, (uint64_t)INT_MAX);
if (ret < 0 || ret >= LXC_NUMSTRLEN64)
exit(EXIT_FAILURE);
lxc_test_assert_abort((0 == lxc_safe_int(numstr, &n)) && n == INT_MAX);
ret = snprintf(numstr, LXC_NUMSTRLEN64, "%" PRIu64, (uint64_t)INT_MAX + 1);
if (ret < 0 || ret >= LXC_NUMSTRLEN64)
exit(EXIT_FAILURE);
lxc_test_assert_abort((-ERANGE == lxc_safe_int(numstr, &n)));
ret = snprintf(numstr, LXC_NUMSTRLEN64, "%" PRId64, (int64_t)INT_MIN);
if (ret < 0 || ret >= LXC_NUMSTRLEN64)
exit(EXIT_FAILURE);
lxc_test_assert_abort((0 == lxc_safe_int(numstr, &n)) && n == INT_MIN);
ret = snprintf(numstr, LXC_NUMSTRLEN64, "%" PRId64, (int64_t)INT_MIN - 1);
if (ret < 0 || ret >= LXC_NUMSTRLEN64)
exit(EXIT_FAILURE);
lxc_test_assert_abort((-ERANGE == lxc_safe_int(numstr, &n)));
lxc_test_assert_abort((0 == lxc_safe_int("1234345", &n)) && n == 1234345);
lxc_test_assert_abort((0 == lxc_safe_int(" 345", &n)) && n == 345);