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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <memory>
     11 
     12 // shared_ptr
     13 
     14 // template<class D> shared_ptr(nullptr_t, D d);
     15 
     16 // UNSUPPORTED: asan, msan
     17 
     18 #include <memory>
     19 #include <cassert>
     20 #include <new>
     21 #include <cstdlib>
     22 #include "../test_deleter.h"
     23 
     24 struct A
     25 {
     26     static int count;
     27 
     28     A() {++count;}
     29     A(const A&) {++count;}
     30     ~A() {--count;}
     31 };
     32 
     33 int A::count = 0;
     34 
     35 bool throw_next = false;
     36 
     37 void* operator new(std::size_t s) throw(std::bad_alloc)
     38 {
     39     if (throw_next)
     40         throw std::bad_alloc();
     41     return std::malloc(s);
     42 }
     43 
     44 void  operator delete(void* p) throw()
     45 {
     46     std::free(p);
     47 }
     48 
     49 int main()
     50 {
     51     throw_next = true;
     52     try
     53     {
     54         std::shared_ptr<A> p(nullptr, test_deleter<A>(3));
     55         assert(false);
     56     }
     57     catch (std::bad_alloc&)
     58     {
     59         assert(A::count == 0);
     60         assert(test_deleter<A>::count == 0);
     61         assert(test_deleter<A>::dealloc_count == 1);
     62     }
     63 }
     64