libstdc++-v3/testsuite/20_util/tuple/requirements/dr801.cc

   1 // { dg-do compile }
   2 // { dg-options "-std=gnu++0x" }
   3
   4 // Copyright (C) 2010-2013 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 <tuple>
  22 #include <type_traits>
  23
  24 // DR 801, pair and tuple vs. "passed in registers"
  25 void test_trivial()
  26 {
  27   // PODType, TType, NType, SLType, LType, NLType, LTypeDerived
  28   typedef std::tuple<int, int> tuple_type;
  29   // static_assert(std::is_literal_type<tuple_type>::value, "! literal");
  30   static_assert(std::has_trivial_copy_constructor<tuple_type>::value,
  31                 "! triv copy");
  32   static_assert(std::is_trivially_destructible<tuple_type>::value,
  33                 "! triv destructor");
  34   // static_assert(std::is_standard_layout<tuple_type>::value,
  35   //               "! standard layout");
  36
  37   // Negative
  38   /*
  39   static_assert(std::has_trivial_default_constructor<tuple_type>::value,
  40                 "! triv default");
  41   static_assert(std::has_trivial_copy_assign<tuple_type>::value,
  42                 "! triv assign");
  43   static_assert(std::is_trivial<tuple_type>::value, "! triv");
  44   static_assert(std::is_pod<tuple_type>::value, "! pod");
  45   */
  46 }
  47
  48 int main()
  49 {
  50   test_trivial();
  51   return 0;
  52 }