| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <tuple> |
| |
| // template <class... Types> class tuple; |
| |
| // template <class U1, class U2> |
| // tuple& operator=(pair<U1, U2>&& u); |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| #include <tuple> |
| #include <utility> |
| #include <memory> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| struct B |
| { |
| int id_; |
| |
| explicit B(int i = 0) : id_(i) {} |
| |
| virtual ~B() {} |
| }; |
| |
| struct D |
| : B |
| { |
| explicit D(int i) : B(i) {} |
| }; |
| |
| int main(int, char**) |
| { |
| { |
| typedef std::pair<long, std::unique_ptr<D>> T0; |
| typedef std::tuple<long long, std::unique_ptr<B>> T1; |
| T0 t0(2, std::unique_ptr<D>(new D(3))); |
| T1 t1; |
| t1 = std::move(t0); |
| assert(std::get<0>(t1) == 2); |
| assert(std::get<1>(t1)->id_ == 3); |
| } |
| |
| return 0; |
| } |