pointer.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976
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// template<class Y> explicit shared_ptr(Y* p); 13 14#include <memory> 15#include <cassert> 16 17struct A 18{ 19 static int count; 20 21 A() {++count;} 22 A(const A&) {++count;} 23 ~A() {--count;} 24}; 25 26int A::count = 0; 27 28int main() 29{ 30 { 31 A* ptr = new A; 32 std::shared_ptr<A> p(ptr); 33 assert(A::count == 1); 34 assert(p.use_count() == 1); 35 assert(p.get() == ptr); 36 } 37 assert(A::count == 0); 38 { 39 A* ptr = new A; 40 std::shared_ptr<void> p(ptr); 41 assert(A::count == 1); 42 assert(p.use_count() == 1); 43 assert(p.get() == ptr); 44 } 45 assert(A::count == 0); 46} 47