libstdc++-v3/testsuite/20_util/function/cons/55320.cc

   1 // Copyright (C) 2012-2018 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 // libstdc++/55320
  19
  20 // { dg-do run { target c++11 } }
  21
  22 #include <functional>
  23 #include <testsuite_hooks.h>
  24
  25 struct X
  26 {
  27   X() { ++count; }
  28   X(const X&) { throw 1; }
  29   ~X() { --count; }
  30   void operator()() { }
  31   static int count;
  32 };
  33
  34 int X::count = 0;
  35
  36 int main()
  37 {
  38   try
  39   {
  40     std::function<void()> f = X();
  41   }
  42   catch (int)
  43   {
  44     VERIFY( X::count == 0 );
  45   }
  46 }