libstdc++-v3/testsuite/20_util/hash/60970.cc

   1 // { dg-options "-std=gnu++11" }
   2 // { dg-do run }
   3
   4 // Copyright (C) 2015-2016 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
  18 // along with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21
  22 #include <functional>
  23 #include <testsuite_hooks.h>
  24
  25 using namespace std;
  26
  27 enum E1 : int {FIRST=1, SECOND=2};
  28 enum class E2 : int {THIRD=42, FOURTH=666};
  29
  30 int main()
  31 {
  32   VERIFY(hash<int>{}(1) == hash<E1>{}(FIRST));
  33   VERIFY(hash<int>{}(2) == hash<E1>{}(SECOND));
  34   VERIFY(hash<int>{}(42) == hash<E2>{}(E2::THIRD));
  35   VERIFY(hash<int>{}(666) == hash<E2>{}(E2::FOURTH));
  36 }