libstdc++-v3/testsuite/20_util/pair/cons/constexpr.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 <memory>
  22 #include <testsuite_common_types.h>
  23
  24 int main()
  25 {
  26   typedef std::pair<int, int> pair_type;
  27
  28   __gnu_test::constexpr_default_constructible test1;
  29   test1.operator()<pair_type>();
  30
  31   __gnu_test::constexpr_single_value_constructible test2;
  32   test2.operator()<pair_type, pair_type>();
  33   test2.operator()<pair_type, std::pair<short, short>>();
  34
  35   // test 3
  36   const int i1(129);
  37   const int i2(6);
  38   constexpr pair_type p0(i1, i2);
  39
  40   // test 4
  41   constexpr int i(999);
  42   constexpr pair_type p1 { 44, 90 };
  43   constexpr pair_type p2 { std::move(p1.first),  i };
  44   constexpr pair_type p3 { i, std::move(p1.second) };
  45
  46   constexpr pair_type p5 { 444, 904 };
  47   constexpr pair_type p6 { std::move(p5.first), std::move(p5.second) };
  48
  49   constexpr std::pair<char, char> p8 { 'a', 'z' };
  50   constexpr pair_type p9(std::move(p8));
  51
  52   constexpr pair_type p10(std::move(p0));
  53
  54   return 0;
  55 }