//===----------------------------------------------------------------------===//
//
// 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++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;
}