test037.cc

#include "dmalloc.hh"
#include <cstdio>
#include <cassert>
#include <cstring>
#include <cstdlib>
// heap_min and heap_max checking, more allocations.

int main() {
    uintptr_t heap_min = 0;
    uintptr_t heap_max = 0;
    dmalloc_allocator<char> allocator;
    for (int i = 0; i != 100; ++i) {
        size_t sz = rand() % 100;
        char* p = allocator.allocate(sz);
        if (!heap_min || heap_min > (uintptr_t) p) {
            heap_min = (uintptr_t) p;
        }
        if (!heap_max || heap_max < (uintptr_t) p + sz) {
            heap_max = (uintptr_t) p + sz;
        }
        allocator.deallocate(p, sz);
    }
    dmalloc_statistics stat;
    dmalloc_get_statistics(&stat);
    assert(heap_min >= stat.heap_min);
    assert(heap_max <= stat.heap_max);
}