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test-alloc-util: add tests for memdup_suffix0() and greedy_realloc()

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This commit is contained in:
Yu Watanabe 2017-11-28 20:33:58 +09:00
parent a4e6e06bc7
commit f30788ee23
1 changed files with 27 additions and 5 deletions
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32
src/test/test-alloc-util.c
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@ -18,6 +18,8 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdint.h>
#include "alloc-util.h"
#include "macro.h"
#include "util.h"
@ -35,22 +37,42 @@ static void test_alloca(void) {
assert_se(!memcmp(t, zero, 997));
}
static void test_memdup_multiply(void) {
static void test_memdup_multiply_and_greedy_realloc(void) {
int org[] = {1, 2, 3};
int *dup;
dup = (int*)memdup_multiply(org, sizeof(int), 3);
_cleanup_free_ int *dup;
int *p;
size_t i, allocated = 3;
dup = (int*) memdup_suffix0_multiply(org, sizeof(int), 3);
assert_se(dup);
assert_se(dup[0] == 1);
assert_se(dup[1] == 2);
assert_se(dup[2] == 3);
assert_se(*(uint8_t*) (dup + 3) == (uint8_t) 0);
free(dup);
dup = (int*) memdup_multiply(org, sizeof(int), 3);
assert_se(dup);
assert_se(dup[0] == 1);
assert_se(dup[1] == 2);
assert_se(dup[2] == 3);
p = dup;
assert_se(greedy_realloc0((void**) &dup, &allocated, 2, sizeof(int)) == p);
p = (int *) greedy_realloc0((void**) &dup, &allocated, 10, sizeof(int));
assert_se(p == dup);
assert_se(allocated >= 10);
assert_se(p[0] == 1);
assert_se(p[1] == 2);
assert_se(p[2] == 3);
for (i = 3; i < allocated; i++)
assert_se(p[i] == 0);
}
int main(int argc, char *argv[]) {
test_alloca();
test_memdup_multiply();
test_memdup_multiply_and_greedy_realloc();
return 0;
}