| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03, c++11 |
| |
| // <propagate_const> |
| |
| // template <class T> constexpr void propagate_const::swap(propagate_const<T>& x); |
| |
| #include <experimental/propagate_const> |
| #include "test_macros.h" |
| #include "propagate_const_helpers.h" |
| #include <cassert> |
| |
| using std::experimental::propagate_const; |
| |
| bool swap_called = false; |
| void swap(X &, X &) { swap_called = true; } |
| |
| int main(int, char**) { |
| typedef propagate_const<X> P; |
| P p1(1); |
| P p2(2); |
| p1.swap(p2); |
| assert(swap_called); |
| |
| return 0; |
| } |
| |