SymbX/systemd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

test-alloc-util: let's test a few more things around GREEDY_REALLOC()

Browse Source
This commit is contained in:
Lennart Poettering
2019-05-02 14:53:40 +02:00
parent e59054270c
commit 4136447576
1 changed files with 21 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/test/test-alloc-util.c
+21 -6
View File
@@ -1,5 +1,6 @@
/* SPDX-License-Identifier: LGPL-2.1+ */
#include <malloc.h>
#include <stdint.h>
#include "alloc-util.h"
@@ -21,21 +22,35 @@ static void test_alloca(void) {
static void test_GREEDY_REALLOC(void) {
_cleanup_free_ int *a = NULL, *b = NULL;
size_t n_allocated = 0, i;
size_t n_allocated = 0, i, j;
/* Give valgrind a chance to verify our realloc operations */
/* Give valgrind a chance to verify our realloc() operations */
for (i = 0; i < 2048; i++) {
for (i = 0; i < 20480; i++) {
assert_se(GREEDY_REALLOC(a, n_allocated, i + 1));
a[i] = i;
assert_se(n_allocated >= i + 1);
assert_se(malloc_usable_size(a) >= (i + 1) * sizeof(int));
a[i] = (int) i;
assert_se(GREEDY_REALLOC(a, n_allocated, i / 2));
assert_se(n_allocated >= i / 2);
assert_se(malloc_usable_size(a) >= (i / 2) * sizeof(int));
}
for (i = 30, n_allocated = 0; i < 2048; i+=7) {
for (j = 0; j < i / 2; j++)
assert_se(a[j] == (int) j);
for (i = 30, n_allocated = 0; i < 20480; i += 7) {
assert_se(GREEDY_REALLOC(b, n_allocated, i + 1));
b[i] = i;
assert_se(n_allocated >= i + 1);
assert_se(malloc_usable_size(b) >= (i + 1) * sizeof(int));
b[i] = (int) i;
assert_se(GREEDY_REALLOC(b, n_allocated, i / 2));
assert_se(n_allocated >= i / 2);
assert_se(malloc_usable_size(b) >= (i / 2) * sizeof(int));
}
for (j = 30; j < i / 2; j += 7)
assert_se(b[j] == (int) j);
}
static void test_memdup_multiply_and_greedy_realloc(void) {