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// { dg-options "-std=gnu++14" }
// { dg-do run }
// Copyright (C) 2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a moved_to of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <experimental/propagate_const>
#include <testsuite_hooks.h>
using std::experimental::propagate_const;
using std::hash;
int main()
{
int x{42};
propagate_const<int*> xx{&x};
VERIFY(bool(xx));
propagate_const<int*> xx2{};
VERIFY(!bool(xx2));
struct X {int x;};
X x3{42};
propagate_const<X*> xx3{&x3};
VERIFY(xx3->x == 42);
VERIFY((*xx3).x == 42);
VERIFY(xx3.get() == &x3);
const propagate_const<X*> xx4{&x3};
VERIFY(xx4->x == 42);
VERIFY((*xx4).x == 42);
VERIFY(xx4.get() == &x3);
static constexpr int x4{42};
constexpr propagate_const<const int*> xx5{&x4};
static_assert(bool(xx5), "");
constexpr propagate_const<const int*> xx6{};
static_assert(!bool(xx6), "");
struct X2 {int x;};
static constexpr X2 x5{42};
constexpr propagate_const<const X2*> xx7{&x5};
static_assert(xx7->x == 42, "");
static_assert((*xx7).x == 42, "");
static_assert(xx7.get() == &x5, "");
struct X3
{
int f() {return 42;}
int f() const {return 666;}
};
X3 xx8;
propagate_const<X3*> xx9{&xx8};
const propagate_const<X3*> xx10{&xx8};
VERIFY(xx9->f() == 42);
VERIFY(xx10->f() == 666);
}
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