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

   1 // { dg-do run { target c++20 } }
   2 // { dg-require-effective-target rtti }
   3
   4 // Copyright (C) 2020-2023 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 <typeindex>
  22 #include <testsuite_hooks.h>
  23
  24 void test01()
  25 {
  26   class Abraca { };
  27   Abraca a1, a2_;
  28   const Abraca a2 = a2_;
  29
  30   const std::type_index arr[] = {
  31     typeid(int), typeid(double), typeid(Abraca), typeid(const Abraca),
  32     typeid(const Abraca&), typeid(a1), typeid(a2)
  33   };
  34
  35   for (const std::type_index& t1 : arr)
  36     for (const std::type_index& t2 : arr)
  37     {
  38       VERIFY( (t1 == t2) == std::is_eq(t1 <=> t2) );
  39       VERIFY( (t1 != t2) == std::is_neq(t1 <=> t2) );
  40       VERIFY( (t1 < t2) == std::is_lt(t1 <=> t2) );
  41       VERIFY( (t1 > t2) == std::is_gt(t1 <=> t2) );
  42       VERIFY( (t1 <= t2) == std::is_lteq(t1 <=> t2) );
  43       VERIFY( (t1 >= t2) == std::is_gteq(t1 <=> t2) );
  44     }
  45 }
  46
  47 int main()
  48 {
  49   test01();
  50 }