libstdc++-v3/testsuite/20_util/unique_ptr/requirements/pointer_type.cc

   1 // { dg-do compile }
   2 // { dg-options "-std=gnu++0x" }
   3
   4 // Copyright (C) 2010 Free Software Foundation
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 // 20.6.11 Template class unique_ptr [unique.ptr.single]
  22
  23 #include <memory>
  24 #include <testsuite_hooks.h>
  25
  26 struct A
  27 {
  28   void operator()(void* p) const { }
  29 };
  30
  31 struct B
  32 {
  33   typedef char* pointer;
  34   void operator()(pointer p) const { }
  35 };
  36
  37 int main()
  38 {
  39   typedef std::unique_ptr<int>     up;
  40   typedef std::unique_ptr<int, A>  upA;
  41   typedef std::unique_ptr<int, B>  upB;
  42   typedef std::unique_ptr<int, A&> upAr;
  43   typedef std::unique_ptr<int, B&> upBr;
  44
  45   static_assert( std::is_same< up::pointer, int*>::value, "" );
  46   static_assert( std::is_same< upA::pointer, int*>::value, "" );
  47   static_assert( std::is_same< upB::pointer, char*>::value, "" );
  48   static_assert( std::is_same< upAr::pointer, int*>::value, "" );
  49   static_assert( std::is_same< upBr::pointer, char*>::value, "" );
  50 }