cxx/test/utilities/tuple/tuple.tuple/tuple.cnstr/move_pair.pass.cpp

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//===----------------------------------------------------------------------===//
//
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <tuple>
// template <class... Types> class tuple;
// template <class U1, class U2> tuple(pair<U1, U2>&& u);
#include <tuple>
#include <utility>
#include <memory>
#include <cassert>
struct B
{
int id_;
explicit B(int i) : id_(i) {}
virtual ~B() {}
};
struct D
: B
{
explicit D(int i) : B(i) {}
};
int main()
{
{
typedef std::pair<double, std::unique_ptr<D>> T0;
typedef std::tuple<int, std::unique_ptr<B>> T1;
T0 t0(2.5, std::unique_ptr<D>(new D(3)));
T1 t1 = std::move(t0);
assert(std::get<0>(t1) == 2);
assert(std::get<1>(t1)->id_ == 3);
}
}