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

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2013-2018 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 #include <type_traits>
  21 #include <testsuite_tr1.h>
  22
  23 template<typename T>
  24 constexpr bool test()
  25 {
  26   return __gnu_test::test_property<std::alignment_of, T>(alignof(T));
  27 }
  28
  29 void test01()
  30 {
  31   static_assert(test<char>(), "");
  32   static_assert(test<short>(), "");
  33   static_assert(test<int>(), "");
  34   static_assert(test<long>(), "");
  35   static_assert(test<long long>(), "");
  36   static_assert(test<float>(), "");
  37   static_assert(test<double>(), "");
  38   static_assert(test<long double>(), "");
  39   static_assert(test<int[4]>(), "");
  40   static_assert(test<__gnu_test::ClassType>(), "");
  41 }