libstdc++-v3/testsuite/20_util/pair/make_pair/constexpr.cc

   1 // { dg-do compile }
   2 // { dg-options "-std=gnu++0x" }
   3
   4 // Copyright (C) 2011-2013 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 // NOTE: This makes use of the fact that we know how moveable
  22 // is implemented on pair, and also vector. If the implementation
  23 // changes this test may begin to fail.
  24
  25 #include <memory>
  26 #include <testsuite_hooks.h>
  27
  28 void
  29 test1()
  30 {
  31   bool test __attribute__((unused)) = true;
  32   typedef std::pair<int, float> pair_type;
  33   constexpr pair_type p1 __attribute__((unused)) = std::make_pair(22, 22.222);
  34 }
  35
  36 int
  37 main()
  38 {
  39   test1();
  40   return 0;
  41 }