libstdc++-v3/testsuite/tr1/6_containers/unordered_multiset/24054.cc

   1 // Copyright (C) 2005-2020 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8 //
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 6.3 Unordered associative containers
  19
  20 #include <tr1/unordered_set>
  21 #include <string>
  22 #include <testsuite_hooks.h>
  23
  24 // libstdc++/24054
  25 void test01()
  26 {
  27   typedef std::tr1::unordered_multiset<std::string> Set;
  28
  29   Set s;
  30
  31   s.insert("etaoin");
  32   s.insert("etaoin");
  33   s.insert("etaoin");
  34   s.insert("shrdlu");
  35
  36   VERIFY( s.erase("") == 0 );
  37   VERIFY( s.size() == 4 );
  38
  39   VERIFY( s.erase("etaoin") == 3 );
  40   VERIFY( s.size() == 1 );
  41
  42   VERIFY( s.erase("shrdlu") == 1 );
  43   VERIFY( s.size() == 0 );
  44 }
  45
  46 int main()
  47 {
  48   test01();
  49   return 0;
  50 }