| 1 | //===----------------------------------------------------------------------===// |
|---|
| 2 | // |
|---|
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
|---|
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
|---|
| 6 | // |
|---|
| 7 | //===----------------------------------------------------------------------===// |
|---|
| 8 | |
|---|
| 9 | // UNSUPPORTED: c++03, c++11 |
|---|
| 10 | |
|---|
| 11 | // <propagate_const> |
|---|
| 12 | |
|---|
| 13 | // template <class T> constexpr void propagate_const::swap(propagate_const<T>& x); |
|---|
| 14 | |
|---|
| 15 | #include <experimental/propagate_const> |
|---|
| 16 | #include "test_macros.h" |
|---|
| 17 | #include "propagate_const_helpers.h" |
|---|
| 18 | #include <cassert> |
|---|
| 19 | |
|---|
| 20 | using std::experimental::propagate_const; |
|---|
| 21 | |
|---|
| 22 | bool swap_called = false; |
|---|
| 23 | void swap(X &, X &) { swap_called = true; } |
|---|
| 24 | |
|---|
| 25 | int main(int, char**) { |
|---|
| 26 | typedef propagate_const<X> P; |
|---|
| 27 | P p1(1); |
|---|
| 28 | P p2(2); |
|---|
| 29 | p1.swap(p2); |
|---|
| 30 | assert(swap_called); |
|---|
| 31 | |
|---|
| 32 | return 0; |
|---|
| 33 | } |
|---|
| 34 | |
|---|
