1 // { dg-do run { target c++14 } } 2 3 // Copyright (C) 2015-2021 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // You should have received a copy of the GNU General Public License along 17 // with this library; see the file COPYING3. If not see 18 // <http://www.gnu.org/licenses/>. 19 20 #include <experimental/propagate_const> 21 #include <testsuite_hooks.h> 22 #include <utility> 23 #include <memory> 24 25 using std::experimental::propagate_const; 26 using std::unique_ptr; 27 main()28int main() 29 { 30 const int dummy{42}; 31 propagate_const<const int*> test1{&dummy}; 32 VERIFY(test1.get() == &dummy); 33 propagate_const<const int*> test2{std::move(test1)}; 34 VERIFY(test1.get() == &dummy); 35 VERIFY(test2.get() == &dummy); 36 propagate_const<const int*> test3{std::move(test2)}; 37 VERIFY(test1.get() == &dummy); 38 VERIFY(test2.get() == &dummy); 39 VERIFY(test3.get() == &dummy); 40 propagate_const<unique_ptr<const int>> test4{std::make_unique<int>(666)}; 41 propagate_const<unique_ptr<const int>> test5{new int{666}}; 42 const int* dummy2 = new int{666}; 43 propagate_const<unique_ptr<const int>> test6{dummy2}; 44 } 45