libstdc++-v3/testsuite/20_util/bitset/hash/1.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2010-2024 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <bitset>
  21
  22 void test01()
  23 {
  24   std::bitset<0>    b0;
  25   std::hash<std::bitset<0>>    h0;
  26   h0(b0);
  27
  28   std::bitset<10>   b1;
  29   std::hash<std::bitset<10>>   h1;
  30   h1(b1);
  31
  32   std::bitset<100>  b2;
  33   std::hash<std::bitset<100>>  h2;
  34   h2(b2);
  35
  36   std::bitset<1000> b3;
  37   std::hash<std::bitset<1000>> h3;
  38   h3(b3);
  39 }
  40
  41 int main()
  42 {
  43   test01();
  44   return 0;
  45 }