assign_rv_pair_U_V.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// <utility> 11 12// template <class T1, class T2> struct pair 13 14// template<class U, class V> pair& operator=(pair<U, V>&& p); 15 16#include <utility> 17#include <memory> 18#include <cassert> 19 20struct Base 21{ 22 virtual ~Base() {} 23}; 24 25struct Derived 26 : public Base 27{ 28}; 29 30int main() 31{ 32#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 33 { 34 typedef std::pair<std::unique_ptr<Derived>, short> P1; 35 typedef std::pair<std::unique_ptr<Base>, long> P2; 36 P1 p1(std::unique_ptr<Derived>(), 4); 37 P2 p2; 38 p2 = std::move(p1); 39 assert(p2.first == nullptr); 40 assert(p2.second == 4); 41 } 42#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 43} 44