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 move ctor 15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <memory> 17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cassert> 18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// test move ctor. Can't copy from const lvalue 20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantstruct A 22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static int count; 24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant A() {++count;} 25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant A(const A&) {++count;} 26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant ~A() {--count;} 27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant}; 28c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 29c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint A::count = 0; 30c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 31c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantclass Deleter 32c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 33c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant int state_; 34c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 35c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantpublic: 36c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 37c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant Deleter() : state_(5) {} 38c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 39c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant int state() const {return state_;} 40c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 41c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant void operator()(A* p) {delete p;} 42c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant}; 43c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 44c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main() 45c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 46c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant { 47c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant const std::unique_ptr<A, Deleter> s(new A); 48c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant A* p = s.get(); 49c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant std::unique_ptr<A, Deleter> s2; 50c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant s2 = s; 51c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(s2.get() == p); 52c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(s.get() == 0); 53c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(A::count == 1); 54c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant } 55c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(A::count == 0); 56c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 57