libstdc++-v3/testsuite/20_util/remove_reference/value.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // 2007-06-02  Paolo Carlini  <pcarlini@suse.de>
   3 //
   4 // Copyright (C) 2007-2013 Free Software Foundation, Inc.
   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 #include <type_traits>
  22 #include <testsuite_hooks.h>
  23 #include <testsuite_tr1.h>
  24
  25 void test01()
  26 {
  27   bool test __attribute__((unused)) = true;
  28   using std::remove_reference;
  29   using std::is_same;
  30   using namespace __gnu_test;
  31
  32   VERIFY( (is_same<remove_reference<int&>::type, int>::value) );
  33   VERIFY( (is_same<remove_reference<int>::type, int>::value) );
  34   VERIFY( (is_same<remove_reference<const int&>::type, const int>::value) );
  35   VERIFY( (is_same<remove_reference<int*&>::type, int*>::value) );
  36   VERIFY( (is_same<remove_reference<ClassType&>::type, ClassType>::value) );
  37   VERIFY( (is_same<remove_reference<ClassType>::type, ClassType>::value) );
  38   VERIFY( (is_same<remove_reference<int(&)(int)>::type, int(int)>::value) );
  39   VERIFY( (is_same<remove_reference<int&&>::type, int>::value) );
  40   VERIFY( (is_same<remove_reference<int>::type, int>::value) );
  41   VERIFY( (is_same<remove_reference<const int&&>::type, const int>::value) );
  42   VERIFY( (is_same<remove_reference<int*&&>::type, int*>::value) );
  43   VERIFY( (is_same<remove_reference<ClassType&&>::type, ClassType>::value) );
  44   VERIFY( (is_same<remove_reference<ClassType>::type, ClassType>::value) );
  45   VERIFY( (is_same<remove_reference<int(&&)(int)>::type, int(int)>::value) );
  46 }
  47
  48 int main()
  49 {
  50   test01();
  51   return 0;
  52 }