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Commit | Line | Data |
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1a4d82fc | 1 | #include "test/jemalloc_test.h" |
970d7e83 | 2 | |
1a4d82fc | 3 | #define CHUNK 0x400000 |
3b2f2976 XL |
4 | #define MAXALIGN (((size_t)1) << 23) |
5 | ||
6 | /* | |
7 | * On systems which can't merge extents, tests that call this function generate | |
8 | * a lot of dirty memory very quickly. Purging between cycles mitigates | |
9 | * potential OOM on e.g. 32-bit Windows. | |
10 | */ | |
11 | static void | |
12 | purge(void) | |
13 | { | |
14 | ||
15 | assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0, | |
16 | "Unexpected mallctl error"); | |
17 | } | |
970d7e83 | 18 | |
1a4d82fc | 19 | TEST_BEGIN(test_alignment_errors) |
970d7e83 | 20 | { |
1a4d82fc JJ |
21 | size_t alignment; |
22 | void *p; | |
970d7e83 | 23 | |
970d7e83 LB |
24 | alignment = 0; |
25 | set_errno(0); | |
26 | p = aligned_alloc(alignment, 1); | |
1a4d82fc JJ |
27 | assert_false(p != NULL || get_errno() != EINVAL, |
28 | "Expected error for invalid alignment %zu", alignment); | |
970d7e83 LB |
29 | |
30 | for (alignment = sizeof(size_t); alignment < MAXALIGN; | |
31 | alignment <<= 1) { | |
32 | set_errno(0); | |
33 | p = aligned_alloc(alignment + 1, 1); | |
1a4d82fc JJ |
34 | assert_false(p != NULL || get_errno() != EINVAL, |
35 | "Expected error for invalid alignment %zu", | |
36 | alignment + 1); | |
970d7e83 | 37 | } |
1a4d82fc JJ |
38 | } |
39 | TEST_END | |
40 | ||
41 | TEST_BEGIN(test_oom_errors) | |
42 | { | |
43 | size_t alignment, size; | |
44 | void *p; | |
970d7e83 LB |
45 | |
46 | #if LG_SIZEOF_PTR == 3 | |
47 | alignment = UINT64_C(0x8000000000000000); | |
48 | size = UINT64_C(0x8000000000000000); | |
49 | #else | |
50 | alignment = 0x80000000LU; | |
51 | size = 0x80000000LU; | |
52 | #endif | |
53 | set_errno(0); | |
54 | p = aligned_alloc(alignment, size); | |
1a4d82fc JJ |
55 | assert_false(p != NULL || get_errno() != ENOMEM, |
56 | "Expected error for aligned_alloc(%zu, %zu)", | |
57 | alignment, size); | |
970d7e83 LB |
58 | |
59 | #if LG_SIZEOF_PTR == 3 | |
60 | alignment = UINT64_C(0x4000000000000000); | |
1a4d82fc | 61 | size = UINT64_C(0xc000000000000001); |
970d7e83 LB |
62 | #else |
63 | alignment = 0x40000000LU; | |
1a4d82fc | 64 | size = 0xc0000001LU; |
970d7e83 LB |
65 | #endif |
66 | set_errno(0); | |
67 | p = aligned_alloc(alignment, size); | |
1a4d82fc JJ |
68 | assert_false(p != NULL || get_errno() != ENOMEM, |
69 | "Expected error for aligned_alloc(%zu, %zu)", | |
70 | alignment, size); | |
970d7e83 LB |
71 | |
72 | alignment = 0x10LU; | |
73 | #if LG_SIZEOF_PTR == 3 | |
74 | size = UINT64_C(0xfffffffffffffff0); | |
75 | #else | |
76 | size = 0xfffffff0LU; | |
77 | #endif | |
78 | set_errno(0); | |
79 | p = aligned_alloc(alignment, size); | |
1a4d82fc JJ |
80 | assert_false(p != NULL || get_errno() != ENOMEM, |
81 | "Expected error for aligned_alloc(&p, %zu, %zu)", | |
82 | alignment, size); | |
83 | } | |
84 | TEST_END | |
85 | ||
86 | TEST_BEGIN(test_alignment_and_size) | |
87 | { | |
3b2f2976 | 88 | #define NITER 4 |
1a4d82fc JJ |
89 | size_t alignment, size, total; |
90 | unsigned i; | |
91 | void *ps[NITER]; | |
970d7e83 LB |
92 | |
93 | for (i = 0; i < NITER; i++) | |
94 | ps[i] = NULL; | |
95 | ||
96 | for (alignment = 8; | |
97 | alignment <= MAXALIGN; | |
98 | alignment <<= 1) { | |
99 | total = 0; | |
970d7e83 LB |
100 | for (size = 1; |
101 | size < 3 * alignment && size < (1U << 31); | |
102 | size += (alignment >> (LG_SIZEOF_PTR-1)) - 1) { | |
103 | for (i = 0; i < NITER; i++) { | |
104 | ps[i] = aligned_alloc(alignment, size); | |
105 | if (ps[i] == NULL) { | |
106 | char buf[BUFERROR_BUF]; | |
107 | ||
1a4d82fc JJ |
108 | buferror(get_errno(), buf, sizeof(buf)); |
109 | test_fail( | |
110 | "Error for alignment=%zu, " | |
111 | "size=%zu (%#zx): %s", | |
112 | alignment, size, size, buf); | |
970d7e83 LB |
113 | } |
114 | total += malloc_usable_size(ps[i]); | |
115 | if (total >= (MAXALIGN << 1)) | |
116 | break; | |
117 | } | |
118 | for (i = 0; i < NITER; i++) { | |
119 | if (ps[i] != NULL) { | |
120 | free(ps[i]); | |
121 | ps[i] = NULL; | |
122 | } | |
123 | } | |
124 | } | |
3b2f2976 | 125 | purge(); |
970d7e83 | 126 | } |
3b2f2976 | 127 | #undef NITER |
1a4d82fc JJ |
128 | } |
129 | TEST_END | |
130 | ||
131 | int | |
132 | main(void) | |
133 | { | |
970d7e83 | 134 | |
1a4d82fc JJ |
135 | return (test( |
136 | test_alignment_errors, | |
137 | test_oom_errors, | |
138 | test_alignment_and_size)); | |
970d7e83 | 139 | } |