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tests: add unit tests for lxc_safe_int()

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Signed-off-by: Christian Brauner <christian.brauner@canonical.com>
This commit is contained in:
Christian Brauner 2016-09-07 17:51:33 +02:00
parent b5f845e7e0
commit aa75cefcef
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GPG Key ID: 8EB056D53EECB12D
1 changed files with 33 additions and 0 deletions
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33
src/tests/lxc-test-utils.c
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@ -221,6 +221,7 @@ non_test_error:
if (fret == EXIT_SUCCESS)
return;
exit(fret);
}
void test_lxc_safe_uint(void)
{
@ -251,6 +252,37 @@ void test_lxc_safe_uint(void)
lxc_test_assert_abort((-ERANGE == lxc_safe_uint(uint_max, &n)));
}
void test_lxc_safe_int(void)
{
int ret;
signed int n;
size_t len = /* 2^64 = 21 - 1 */ 21;
char int_max[len];
ret = snprintf(int_max, len, "%ld", (signed long)INT_MAX + 1);
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_int("1234345", &n)) && n == 1234345);
lxc_test_assert_abort((0 == lxc_safe_int(" 345", &n)) && n == 345);
lxc_test_assert_abort((0 == lxc_safe_int("-1234345", &n)) && n == -1234345);
lxc_test_assert_abort((0 == lxc_safe_int(" -345", &n)) && n == -345);
lxc_test_assert_abort((-EINVAL == lxc_safe_int(" g345", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_int(" 3g45", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_int(" 345g", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_int("g345", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_int("3g45", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_int("345g", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_int("g345 ", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_int("3g45 ", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_int("345g ", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_int("g", &n)));
lxc_test_assert_abort((-EINVAL == lxc_safe_int(" g345", &n)));
lxc_test_assert_abort((-ERANGE == lxc_safe_int(int_max, &n)));
}
void test_lxc_string_replace(void)
{
char *s;
@ -310,6 +342,7 @@ int main(int argc, char *argv[])
test_lxc_deslashify();
test_detect_ramfs_rootfs();
test_lxc_safe_uint();
test_lxc_safe_int();
exit(EXIT_SUCCESS);
}