48 lines · cpp
1// RUN: %clangxx %s -o %t && %run %t 12342// RUN: %clangxx %s -o %t && %run %t 56789103 4// No allocator.5// UNSUPPORTED: ubsan6 7#include <assert.h>8#include <sanitizer/allocator_interface.h>9#include <stdio.h>10#include <stdlib.h>11#include <thread>12 13void Test(int size) {14 auto allocated_bytes_before = __sanitizer_get_current_allocated_bytes();15 int *p = (int *)malloc(size);16 assert(__sanitizer_get_estimated_allocated_size(size) >= size);17 assert(__sanitizer_get_ownership(p));18 assert(!__sanitizer_get_ownership(&p));19 assert(__sanitizer_get_allocated_size(p) == size);20 assert(__sanitizer_get_allocated_size_fast(p) == size);21 assert(__sanitizer_get_allocated_begin(p) == p);22 assert(__sanitizer_get_allocated_begin(p + 1) == p);23 assert(__sanitizer_get_current_allocated_bytes() >=24 size + allocated_bytes_before);25 assert(__sanitizer_get_current_allocated_bytes() <=26 2 * size + allocated_bytes_before);27 assert(__sanitizer_get_heap_size() >= size);28 free(p);29 30 // These are not implemented.31 assert(__sanitizer_get_unmapped_bytes() <= 1);32 assert(__sanitizer_get_free_bytes() > 0);33 34 __sanitizer_purge_allocator();35}36 37int main(int argc, char **argv) {38 int size = atoi(argv[1]);39 40 Test(size);41 42 // Check the thread local caches work as well.43 std::thread t(Test, size);44 t.join();45 46 return 0;47}48