cxx/test/utilities/utility/pairs/pairs.pair/assign_rv_pair.pass.cpp

33 lines
817 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <utility>
// template <class T1, class T2> struct pair
// pair& operator=(pair&& p);
#include <utility>
#include <memory>
#include <cassert>
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
typedef std::pair<std::unique_ptr<int>, short> P;
P p1(std::unique_ptr<int>(new int(3)), 4);
P p2;
p2 = std::move(p1);
assert(*p2.first == 3);
assert(p2.second == 4);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}