1 #include "test/jemalloc_test.h" 2 3 #define CHUNK 0x400000 4 /* #define MAXALIGN ((size_t)UINT64_C(0x80000000000)) */ 5 #define MAXALIGN ((size_t)0x2000000LU) 6 #define NITER 4 7 8 TEST_BEGIN(test_alignment_errors) 9 { 10 size_t alignment; 11 void *p; 12 13 alignment = 0; 14 set_errno(0); 15 p = aligned_alloc(alignment, 1); 16 assert_false(p != NULL || get_errno() != EINVAL, 17 "Expected error for invalid alignment %zu", alignment); 18 19 for (alignment = sizeof(size_t); alignment < MAXALIGN; 20 alignment <<= 1) { 21 set_errno(0); 22 p = aligned_alloc(alignment + 1, 1); 23 assert_false(p != NULL || get_errno() != EINVAL, 24 "Expected error for invalid alignment %zu", 25 alignment + 1); 26 } 27 } 28 TEST_END 29 30 TEST_BEGIN(test_oom_errors) 31 { 32 size_t alignment, size; 33 void *p; 34 35 #if LG_SIZEOF_PTR == 3 36 alignment = UINT64_C(0x8000000000000000); 37 size = UINT64_C(0x8000000000000000); 38 #else 39 alignment = 0x80000000LU; 40 size = 0x80000000LU; 41 #endif 42 set_errno(0); 43 p = aligned_alloc(alignment, size); 44 assert_false(p != NULL || get_errno() != ENOMEM, 45 "Expected error for aligned_alloc(%zu, %zu)", 46 alignment, size); 47 48 #if LG_SIZEOF_PTR == 3 49 alignment = UINT64_C(0x4000000000000000); 50 size = UINT64_C(0xc000000000000001); 51 #else 52 alignment = 0x40000000LU; 53 size = 0xc0000001LU; 54 #endif 55 set_errno(0); 56 p = aligned_alloc(alignment, size); 57 assert_false(p != NULL || get_errno() != ENOMEM, 58 "Expected error for aligned_alloc(%zu, %zu)", 59 alignment, size); 60 61 alignment = 0x10LU; 62 #if LG_SIZEOF_PTR == 3 63 size = UINT64_C(0xfffffffffffffff0); 64 #else 65 size = 0xfffffff0LU; 66 #endif 67 set_errno(0); 68 p = aligned_alloc(alignment, size); 69 assert_false(p != NULL || get_errno() != ENOMEM, 70 "Expected error for aligned_alloc(&p, %zu, %zu)", 71 alignment, size); 72 } 73 TEST_END 74 75 TEST_BEGIN(test_alignment_and_size) 76 { 77 size_t alignment, size, total; 78 unsigned i; 79 void *ps[NITER]; 80 81 for (i = 0; i < NITER; i++) 82 ps[i] = NULL; 83 84 for (alignment = 8; 85 alignment <= MAXALIGN; 86 alignment <<= 1) { 87 total = 0; 88 for (size = 1; 89 size < 3 * alignment && size < (1U << 31); 90 size += (alignment >> (LG_SIZEOF_PTR-1)) - 1) { 91 for (i = 0; i < NITER; i++) { 92 ps[i] = aligned_alloc(alignment, size); 93 if (ps[i] == NULL) { 94 char buf[BUFERROR_BUF]; 95 96 buferror(get_errno(), buf, sizeof(buf)); 97 test_fail( 98 "Error for alignment=%zu, " 99 "size=%zu (%#zx): %s", 100 alignment, size, size, buf); 101 } 102 total += malloc_usable_size(ps[i]); 103 if (total >= (MAXALIGN << 1)) 104 break; 105 } 106 for (i = 0; i < NITER; i++) { 107 if (ps[i] != NULL) { 108 free(ps[i]); 109 ps[i] = NULL; 110 } 111 } 112 } 113 } 114 } 115 TEST_END 116 117 int 118 main(void) 119 { 120 121 return (test( 122 test_alignment_errors, 123 test_oom_errors, 124 test_alignment_and_size)); 125 } 126
