libstdc++-v3/testsuite/20_util/typeindex/hash_code.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2010-09-22  Paolo Carlini  <paolo.carlini@oracle.com>
   4 //
   5 // Copyright (C) 2010-2019 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <typeindex>
  23 #include <testsuite_hooks.h>
  24
  25 void test01()
  26 {
  27   using namespace std;
  28
  29   class Abraca { };
  30   Abraca a1, a2_;
  31   const Abraca a2 = a2_;
  32
  33   const type_info& to1 = typeid(int);
  34   const type_index ti1(to1);
  35   VERIFY( ti1.hash_code() == to1.hash_code() );
  36
  37   const type_info& to2 = typeid(double);
  38   const type_index ti2(to2);
  39   VERIFY( ti2.hash_code() == to2.hash_code() );
  40
  41   const type_info& to3 = typeid(Abraca);
  42   const type_index ti3(to3);
  43   VERIFY( ti3.hash_code() == to3.hash_code() );
  44
  45   const type_info& to4 = typeid(const Abraca);
  46   const type_index ti4(to4);
  47   VERIFY( ti4.hash_code() == to4.hash_code() );
  48
  49   const type_info& to5 = typeid(const Abraca&);
  50   const type_index ti5(to5);
  51   VERIFY( ti5.hash_code() == to5.hash_code() );
  52
  53   const type_info& to6 = typeid(a1);
  54   const type_index ti6(to6);
  55   VERIFY( ti6.hash_code() == to6.hash_code() );
  56
  57   const type_info& to7 = typeid(a2);
  58   const type_index ti7(to7);
  59   VERIFY( ti7.hash_code() == to7.hash_code() );
  60 }
  61
  62 int main()
  63 {
  64   test01();
  65   return 0;
  66 }