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

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-effective-target rtti }
   3
   4 // 2010-09-22  Paolo Carlini  <paolo.carlini@oracle.com>
   5 //
   6 // Copyright (C) 2010-2024 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 #include <typeindex>
  24 #include <testsuite_hooks.h>
  25
  26 void test01()
  27 {
  28   using namespace std;
  29
  30   class Abraca { };
  31   Abraca a1, a2_;
  32   const Abraca a2 = a2_;
  33
  34   const type_index ti1(typeid(int));
  35   VERIFY( hash<type_index>()(ti1) == ti1.hash_code() );
  36
  37   const type_index ti2(typeid(double));
  38   VERIFY( hash<type_index>()(ti2) == ti2.hash_code() );
  39
  40   const type_index ti3(typeid(Abraca));
  41   VERIFY( hash<type_index>()(ti3) == ti3.hash_code() );
  42
  43   const type_index ti4(typeid(const Abraca));
  44   VERIFY( hash<type_index>()(ti4) == ti4.hash_code() );
  45
  46   const type_index ti5(typeid(const Abraca&));
  47   VERIFY( hash<type_index>()(ti5) == ti5.hash_code() );
  48
  49   const type_index ti6(typeid(a1));
  50   VERIFY( hash<type_index>()(ti6) == ti6.hash_code() );
  51
  52   const type_index ti7(typeid(a2));
  53   VERIFY( hash<type_index>()(ti7) == ti7.hash_code() );
  54 }
  55
  56 int main()
  57 {
  58   test01();
  59   return 0;
  60 }