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// RUN: %clangxx %s -o %t && %run %t 1234
// RUN: %clangxx %s -o %t && %run %t 5678910
// No allocator.
// UNSUPPORTED: ubsan
#include <assert.h>
#include <sanitizer/allocator_interface.h>
#include <stdio.h>
#include <stdlib.h>
#include <thread>
void Test(int size) {
auto allocated_bytes_before = __sanitizer_get_current_allocated_bytes();
int *p = (int *)malloc(size);
assert(__sanitizer_get_estimated_allocated_size(size) >= size);
assert(__sanitizer_get_ownership(p));
assert(!__sanitizer_get_ownership(&p));
assert(__sanitizer_get_allocated_size(p) == size);
assert(__sanitizer_get_allocated_size_fast(p) == size);
assert(__sanitizer_get_allocated_begin(p) == p);
assert(__sanitizer_get_allocated_begin(p + 1) == p);
assert(__sanitizer_get_current_allocated_bytes() >=
size + allocated_bytes_before);
assert(__sanitizer_get_current_allocated_bytes() <=
2 * size + allocated_bytes_before);
assert(__sanitizer_get_heap_size() >= size);
free(p);
// These are not implemented.
assert(__sanitizer_get_unmapped_bytes() <= 1);
assert(__sanitizer_get_free_bytes() > 0);
__sanitizer_purge_allocator();
}
int main(int argc, char **argv) {
int size = atoi(argv[1]);
Test(size);
// Check the thread local caches work as well.
std::thread t(Test, size);
t.join();
return 0;
}
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