libstdc++-v3/testsuite/23_containers/forward_list/cons/10.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2012-2019 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 // 23.3.4.2 forward_list construction [forwardlist.cons]
  21
  22 #include <forward_list>
  23 #include <testsuite_hooks.h>
  24 #include <testsuite_allocator.h>
  25
  26 struct Counter
  27 {
  28   Counter() { ++create; }
  29   Counter(const Counter&) { ++create; }
  30   ~Counter() { ++destroy; }
  31
  32   static int create;
  33   static int destroy;
  34 };
  35
  36 int Counter::create = 0;
  37 int Counter::destroy = 0;
  38
  39 void test01()
  40 {
  41   typedef __gnu_test::uneq_allocator<Counter> alloc;
  42   typedef std::forward_list<Counter, alloc> list;
  43
  44   {
  45     Counter c;
  46
  47     list l( list(10, c, alloc(1)), alloc(2) );
  48
  49     VERIFY( Counter::create == 21 );
  50     VERIFY( Counter::destroy == 10 );
  51   }
  52   VERIFY( Counter::destroy == 21 );
  53 }
  54
  55 int main()
  56 {
  57   test01();
  58 }