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#include <memory> 17#include <cassert> 18#include "../test_deleter.h" 19 20struct A 21{ 22 static int count; 23 24 A() {++count;} 25 A(const A&) {++count;} 26 ~A() {--count;} 27}; 28 29int A::count = 0; 30 31int main() 32{ 33 { 34 std::shared_ptr<A> p(nullptr, test_deleter<A>(3)); 35 assert(A::count == 0); 36 assert(p.use_count() == 1); 37 assert(p.get() == 0); 38 test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p); 39 assert(test_deleter<A>::count == 1); 40 assert(test_deleter<A>::dealloc_count == 0); 41 assert(d); 42 assert(d->state() == 3); 43 } 44 assert(A::count == 0); 45 assert(test_deleter<A>::count == 0); 46 assert(test_deleter<A>::dealloc_count == 1); 47} 48