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 "deleter_types.h" 19 20 struct A 21 { 22 static int count; 23 24 A() {++count;} 25 A(const A&) {++count;} 26 ~A() {--count;} 27 }; 28 29 int A::count = 0; 30 31 int 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
