coreboot-kgpe-d16/tests/lib/string-test.c

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#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include <string.h>
/*
* Important note: In every particular test, don't use any string-related
* functions other than function under test. We are linking against
* src/lib/string.c not the standard library. This is important for proper test
* isolation. One can use __builtin_xxx for many of the most simple str*()
* functions, when non-coreboot one is required.
*/
struct strings_t {
char *str;
size_t size;
} strings[] = {
{"coreboot", 8},
{"is\0very", 2}, /* strlen should be 2 because of the embedded \0 */
{"nice\n", 5}
};
static void test_strlen_strings(void **state)
{
int i;
for (i = 0; i < ARRAY_SIZE(strings); i++)
assert_int_equal(strings[i].size, strlen(strings[i].str));
}
static void test_strdup(void **state)
{
char str[] = "Hello coreboot\n";
char *duplicate;
duplicate = strdup(str);
/* There is a more suitable Cmocka's function 'assert_string_equal()', but it
is using strcmp() internally. */
assert_int_equal(0, memcmp(str, duplicate, __builtin_strlen(str)));
}
int main(void)
{
const struct CMUnitTest tests[] = {
cmocka_unit_test(test_strlen_strings),
cmocka_unit_test(test_strdup),
};
return cmocka_run_group_tests(tests, NULL, NULL);
}