libstdc++-v3/testsuite/23_containers/unordered_multiset/96088.cc

   1 // { dg-do run { target c++17 } }
   2 // { dg-require-effective-target std_allocator_new }
   3
   4 // Copyright (C) 2021 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 // libstdc++/96088
  22
  23 #include <string_view>
  24 #include <string>
  25 #include <unordered_set>
  26
  27 #include <testsuite_hooks.h>
  28 #include <replacement_memory_operators.h>
  29
  30 static constexpr std::initializer_list<const char*> lst = {
  31   "long_str_for_dynamic_allocating"
  32 };
  33
  34 void
  35 test01()
  36 {
  37   __gnu_test::counter::reset();
  38   std::unordered_multiset<std::string,
  39                           std::hash<std::string_view>,
  40                           std::equal_to<std::string_view>> foo;
  41   foo.insert(lst.begin(), lst.end());
  42   VERIFY( foo.size() == 1 );
  43
  44   VERIFY( __gnu_test::counter::count() == 3 );
  45   VERIFY( __gnu_test::counter::get()._M_increments == 3 );
  46 }
  47
  48 void
  49 test02()
  50 {
  51   __gnu_test::counter::reset();
  52   std::unordered_multiset<std::string> foo;
  53   foo.insert(lst.begin(), lst.end());
  54   VERIFY( foo.size() == 1 );
  55
  56   VERIFY( __gnu_test::counter::count() == 3 );
  57   VERIFY( __gnu_test::counter::get()._M_increments == 3 );
  58 }
  59
  60 int
  61 main()
  62 {
  63   test01();
  64   test02();
  65   return 0;
  66 }