1#include "test/jemalloc_test.h"
2
3#ifdef JEMALLOC_FILL
4const char *malloc_conf =
5    "abort:false,junk:false,zero:true,redzone:false,quarantine:0";
6#endif
7
8static void
9test_zero(size_t sz_min, size_t sz_max)
10{
11	uint8_t *s;
12	size_t sz_prev, sz, i;
13#define	MAGIC	((uint8_t)0x61)
14
15	sz_prev = 0;
16	s = (uint8_t *)mallocx(sz_min, 0);
17	assert_ptr_not_null((void *)s, "Unexpected mallocx() failure");
18
19	for (sz = sallocx(s, 0); sz <= sz_max;
20	    sz_prev = sz, sz = sallocx(s, 0)) {
21		if (sz_prev > 0) {
22			assert_u_eq(s[0], MAGIC,
23			    "Previously allocated byte %zu/%zu is corrupted",
24			    ZU(0), sz_prev);
25			assert_u_eq(s[sz_prev-1], MAGIC,
26			    "Previously allocated byte %zu/%zu is corrupted",
27			    sz_prev-1, sz_prev);
28		}
29
30		for (i = sz_prev; i < sz; i++) {
31			assert_u_eq(s[i], 0x0,
32			    "Newly allocated byte %zu/%zu isn't zero-filled",
33			    i, sz);
34			s[i] = MAGIC;
35		}
36
37		if (xallocx(s, sz+1, 0, 0) == sz) {
38			s = (uint8_t *)rallocx(s, sz+1, 0);
39			assert_ptr_not_null((void *)s,
40			    "Unexpected rallocx() failure");
41		}
42	}
43
44	dallocx(s, 0);
45#undef MAGIC
46}
47
48TEST_BEGIN(test_zero_small)
49{
50
51	test_skip_if(!config_fill);
52	test_zero(1, SMALL_MAXCLASS-1);
53}
54TEST_END
55
56TEST_BEGIN(test_zero_large)
57{
58
59	test_skip_if(!config_fill);
60	test_zero(SMALL_MAXCLASS+1, large_maxclass);
61}
62TEST_END
63
64TEST_BEGIN(test_zero_huge)
65{
66
67	test_skip_if(!config_fill);
68	test_zero(large_maxclass+1, chunksize*2);
69}
70TEST_END
71
72int
73main(void)
74{
75
76	return (test(
77	    test_zero_small,
78	    test_zero_large,
79	    test_zero_huge));
80}
81