libstdc++-v3/testsuite/23_containers/multiset/operations/count.cc

   1 // 2011-10-28  Paolo Carlini  <paolo.carlini@oracle.com>
   2
   3 // Copyright (C) 2011-2016 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
  21 #include <set>
  22 #include <testsuite_hooks.h>
  23
  24 void test01()
  25 {
  26   bool test __attribute__((unused)) = true;
  27   using namespace std;
  28
  29   multiset<int> ms0;
  30   VERIFY( ms0.count(0) == 0 );
  31   VERIFY( ms0.count(1) == 0 );
  32
  33   ms0.insert(1);
  34   VERIFY( ms0.count(0) == 0 );
  35   VERIFY( ms0.count(1) == 1 );
  36
  37   ms0.insert(1);
  38   VERIFY( ms0.count(0) == 0 );
  39   VERIFY( ms0.count(1) == 2 );
  40
  41   ms0.insert(2);
  42   VERIFY( ms0.count(2) == 1 );
  43
  44   ms0.insert(3);
  45   ms0.insert(3);
  46   ms0.insert(3);
  47   VERIFY( ms0.count(3) == 3 );
  48
  49   ms0.erase(2);
  50   VERIFY( ms0.count(2) == 0 );
  51
  52   ms0.erase(0);
  53   VERIFY( ms0.count(0) == 0 );
  54
  55   multiset<int> ms1(ms0);
  56   VERIFY( ms1.count(0) == 0 );
  57   VERIFY( ms1.count(1) == 2 );
  58   VERIFY( ms1.count(2) == 0 );
  59   VERIFY( ms1.count(3) == 3 );
  60
  61   ms0.clear();
  62   VERIFY( ms0.count(0) == 0 );
  63   VERIFY( ms0.count(1) == 0 );
  64   VERIFY( ms0.count(2) == 0 );
  65   VERIFY( ms0.count(3) == 0 );
  66
  67   ms1.insert(4);
  68   ms1.insert(5);
  69   ms1.insert(5);
  70   ms1.insert(5);
  71   ms1.insert(5);
  72   VERIFY( ms1.count(4) == 1 );
  73   VERIFY( ms1.count(5) == 4 );
  74
  75   ms1.erase(1);
  76   VERIFY( ms1.count(1) == 0 );
  77
  78   ms1.erase(ms1.find(5));
  79   VERIFY( ms1.count(5) == 3 );
  80
  81   ms1.insert(1);
  82   ms1.insert(1);
  83   VERIFY( ms1.count(1) == 2 );
  84
  85   ms1.erase(5);
  86   VERIFY( ms1.count(5) == 0 );
  87
  88   ms1.erase(ms1.find(4));
  89   VERIFY( ms1.count(4) == 0 );
  90
  91   ms1.clear();
  92   VERIFY( ms1.count(0) == 0 );
  93   VERIFY( ms1.count(1) == 0 );
  94   VERIFY( ms1.count(2) == 0 );
  95   VERIFY( ms1.count(3) == 0 );
  96   VERIFY( ms1.count(4) == 0 );
  97   VERIFY( ms1.count(5) == 0 );
  98 }
  99
 100 int main()
 101 {
 102   test01();
 103   return 0;
 104 }