1c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 2c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 3c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// The LLVM Compiler Infrastructure 4c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 8c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 9c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 10c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// <memory> 11c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 12c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// unique_ptr 13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// Test unique_ptr converting move ctor 15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <memory> 17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cassert> 18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// test converting move ctor. Should only require a MoveConstructible deleter, or if 20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// deleter is a reference, not even that. 21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// implicit version 22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantstruct A 24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static int count; 26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant A() {++count;} 27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant A(const A&) {++count;} 28c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant virtual ~A() {--count;} 29c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant}; 30c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 31c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint A::count = 0; 32c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 33c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantstruct B 34c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant : public A 35c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 36c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static int count; 37c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant B() {++count;} 38c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant B(const B&) {++count;} 39c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant virtual ~B() {--count;} 40c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant}; 41c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 42c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint B::count = 0; 43c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 44c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main() 45c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 46c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant { 47c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant std::unique_ptr<B> s(new B); 48c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant A* p = s.get(); 49c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant std::unique_ptr<A> s2 = s; 50c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(s2.get() == p); 51c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(s.get() == 0); 52c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(A::count == 1); 53c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(B::count == 1); 54c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant } 55c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(A::count == 0); 56c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(B::count == 0); 57c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 58