libstdc++-v3/testsuite/20_util/function/cons/57465.cc

   1 // Copyright (C) 2013-2022 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8 //
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run { target c++11 } }
  19
  20 #include <functional>
  21 #include <testsuite_hooks.h>
  22
  23 void test01()
  24 {
  25   using F = void();
  26   F* f = nullptr;
  27   std::function<F> x(f);
  28   VERIFY( !x ); // libstdc++/57465
  29 }
  30
  31 void test02()
  32 {
  33   struct X { };
  34   int (X::*mf)() = nullptr;
  35   std::function<int(X&)> f = mf;
  36   VERIFY( !f ); // libstdc++/69243
  37
  38   int X::*mp = nullptr;
  39   f = mp;
  40   VERIFY( !f );
  41 }
  42
  43 int main()
  44 {
  45   test01();
  46   test02();
  47 }