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

   1 // { dg-options "-std=gnu++11" }
   2 // { dg-do compile }
   3
   4 // 2007-06-02  Paolo Carlini  <pcarlini@suse.de>
   5 //
   6 // Copyright (C) 2007-2014 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13 //
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 #include <type_traits>
  24 #include <testsuite_tr1.h>
  25
  26 void test01()
  27 {
  28   using std::is_lvalue_reference;
  29   using namespace __gnu_test;
  30
  31   static_assert(test_category<is_lvalue_reference, int&>(true), "");
  32   static_assert(test_category<is_lvalue_reference, ClassType&>(true), "");
  33   static_assert(test_category<is_lvalue_reference, int(&)(int)>(true), "");
  34
  35   // Sanity check.
  36   static_assert(test_category<is_lvalue_reference, int&&>(false), "");
  37   static_assert(test_category<is_lvalue_reference, ClassType>(false), "");
  38 }
  39