+ /* Alignment check for a 0-byte allocation. Corner case. */
+ p[0] = alloc_get(mem, POOL_SIZE, 0, 1 << (POOL_ORD - 1));
+ ok1(alloc_check(mem, POOL_SIZE));
+ alloc_free(mem, POOL_SIZE, p[0]);
+ ok1(alloc_check(mem, POOL_SIZE));
+
+ /* Force the testing of split metadata. */
+ alloc_init(mem, POOL_SIZE);
+ for (i = 0; i < POOL_SIZE; i++) {
+ p[i] = alloc_get(mem, POOL_SIZE, getpagesize(), getpagesize());
+ if (!p[i])
+ break;
+ }
+ ok1(alloc_check(mem, POOL_SIZE));
+
+ /* Sort them. */
+ sort(p, i-1, addr_cmp);
+
+ /* Free all but the one next to the metadata. */
+ for (i = 1; p[i]; i++)
+ alloc_free(mem, POOL_SIZE, p[i]);
+ ok1(alloc_check(mem, POOL_SIZE));
+
+ /* Now do a whole heap of subpage allocs. */
+ for (i = 1; i < POOL_SIZE; i++) {
+ p[i] = alloc_get(mem, POOL_SIZE, 1, 1);
+ if (!p[i])
+ break;
+ }
+ ok1(alloc_check(mem, POOL_SIZE));
+
+ /* Free up our page next to metadata, and should be able to alloc */
+ alloc_free(mem, POOL_SIZE, p[0]);
+ ok1(alloc_check(mem, POOL_SIZE));
+ p[0] = alloc_get(mem, POOL_SIZE, 1, 1);
+ ok1(p[0]);
+
+ /* Clean up. */
+ for (i = 0; p[i]; i++)
+ alloc_free(mem, POOL_SIZE, p[i]);
+ ok1(alloc_check(mem, POOL_SIZE));
+