libstdc++-v3/testsuite/23_containers/unordered_multiset/insert/53115.cc

   1 // { dg-do run { target c++11 } }
   2 //
   3 // Copyright (C) 2012-2024 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 <unordered_set>
  21 #include <testsuite_hooks.h>
  22
  23 namespace
  24 {
  25   std::size_t
  26   get_nb_bucket_elems(const std::unordered_multiset<int>& us)
  27   {
  28     std::size_t nb = 0;
  29     for (std::size_t b = 0; b != us.bucket_count(); ++b)
  30       nb += us.bucket_size(b);
  31     return nb;
  32   }
  33 }
  34
  35 void test01()
  36 {
  37   using namespace std;
  38
  39   std::unordered_multiset<int> mms;
  40   mms.insert(10);
  41   VERIFY( mms.size() == 1 );
  42   VERIFY( distance(mms.begin(), mms.end()) - mms.size() == 0 );
  43   VERIFY( get_nb_bucket_elems(mms) == mms.size() );
  44
  45   mms.insert(10);
  46   VERIFY( mms.size() == 2 );
  47   VERIFY( distance(mms.begin(), mms.end()) - mms.size() == 0 );
  48   VERIFY( get_nb_bucket_elems(mms) == mms.size() );
  49
  50   mms.insert(10);
  51   VERIFY( mms.size() == 3 );
  52   VERIFY( distance(mms.begin(), mms.end()) - mms.size() == 0 );
  53   VERIFY( get_nb_bucket_elems(mms) == mms.size() );
  54
  55   mms.insert(10);
  56   VERIFY( mms.size() == 4 );
  57   VERIFY( distance(mms.begin(), mms.end()) - mms.size() == 0 );
  58   VERIFY( get_nb_bucket_elems(mms) == mms.size() );
  59
  60   mms.insert(10);
  61   VERIFY( mms.size() == 5 );
  62   VERIFY( distance(mms.begin(), mms.end()) - mms.size() == 0 );
  63   VERIFY( get_nb_bucket_elems(mms) == mms.size() );
  64
  65   mms.insert(24);
  66   VERIFY( mms.size() == 6 );
  67   VERIFY( distance(mms.begin(), mms.end()) - mms.size() == 0 );
  68   VERIFY( get_nb_bucket_elems(mms) == mms.size() );
  69
  70   mms.insert(25);
  71   VERIFY( mms.size() == 7 );
  72   VERIFY( distance(mms.begin(), mms.end()) - mms.size() == 0 );
  73   VERIFY( get_nb_bucket_elems(mms) == mms.size() );
  74
  75   mms.insert(2);
  76   VERIFY( mms.size() == 8 );
  77   VERIFY( distance(mms.begin(), mms.end()) - mms.size() == 0 );
  78   VERIFY( get_nb_bucket_elems(mms) == mms.size() );
  79
  80   mms.insert(2);
  81   VERIFY( mms.size() == 9 );
  82   VERIFY( distance(mms.begin(), mms.end()) - mms.size() == 0 );
  83   VERIFY( get_nb_bucket_elems(mms) == mms.size() );
  84
  85   mms.insert(1);
  86   VERIFY( mms.size() == 10 );
  87   VERIFY( distance(mms.begin(), mms.end()) - mms.size() == 0 );
  88   VERIFY( get_nb_bucket_elems(mms) == mms.size() );
  89
  90   mms.insert(10);
  91   VERIFY( mms.size() == 11 );
  92   VERIFY( distance(mms.begin(), mms.end()) - mms.size() == 0 );
  93   VERIFY( get_nb_bucket_elems(mms) == mms.size() );
  94 }
  95
  96 int main()
  97 {
  98   test01();
  99   return 0;
 100 }