libstdc++-v3/testsuite/20_util/unique_ptr/cons/ptr_deleter.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2010-2021 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 // 20.9.10 Template class unique_ptr [unique.ptr]
  21
  22 #include <memory>
  23 #include <testsuite_hooks.h>
  24
  25 static int count;
  26
  27 void del(int* p) { ++count; delete p; }
  28 void vdel(int* p) { ++count; delete[] p; }
  29
  30 void
  31 test01()
  32 {
  33   count = 0;
  34   {
  35     std::unique_ptr<int, void(*)(int*)> p(nullptr, del);
  36   }
  37   VERIFY( count == 0 );
  38   {
  39     std::unique_ptr<int, void(*)(int*)> p(new int, del);
  40   }
  41   VERIFY( count == 1 );
  42 }
  43
  44 void
  45 test02()
  46 {
  47   count = 0;
  48   {
  49     std::unique_ptr<int[], void(*)(int*)> p(nullptr, vdel);
  50   }
  51   VERIFY( count == 0 );
  52   {
  53     std::unique_ptr<int[], void(*)(int*)> p(new int[1], vdel);
  54   }
  55   VERIFY( count == 1 );
  56 }
  57
  58 int
  59 main()
  60 {
  61   test01();
  62   test02();
  63   return 0;
  64 }
  65