| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // REQUIRES: c++98 || c++03 |
| |
| // <utility> |
| |
| // template <class T1, class T2> struct pair |
| |
| // pair& operator=(pair const& p); |
| |
| #include <utility> |
| #include <memory> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| struct NonAssignable { |
| NonAssignable() {} |
| private: |
| NonAssignable& operator=(NonAssignable const&); |
| }; |
| |
| struct Incomplete; |
| extern Incomplete inc_obj; |
| |
| int main(int, char**) |
| { |
| { |
| // Test that we don't constrain the assignment operator in C++03 mode. |
| // Since we don't have access control SFINAE having pair evaluate SFINAE |
| // may cause a hard error. |
| typedef std::pair<int, NonAssignable> P; |
| static_assert(std::is_copy_assignable<P>::value, ""); |
| } |
| { |
| typedef std::pair<int, Incomplete&> P; |
| static_assert(std::is_copy_assignable<P>::value, ""); |
| P p(42, inc_obj); |
| assert(&p.second == &inc_obj); |
| } |
| |
| return 0; |
| } |
| |
| struct Incomplete {}; |
| Incomplete inc_obj; |