libstdc++-v3/testsuite/23_containers/unordered_multimap/insert/multimap_single.cc

   1 // { dg-options "-std=gnu++11" }
   2
   3 // Copyright (C) 2010-2016 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 // Single-element insert
  21
  22 #include <string>
  23 #include <iterator>
  24 #include <unordered_map>
  25 #include <testsuite_hooks.h>
  26
  27 void test01()
  28 {
  29   bool test __attribute__((unused)) = true;
  30
  31   typedef std::unordered_multimap<std::string, int> Map;
  32   typedef std::pair<const std::string, int> Pair;
  33
  34   Map m;
  35   VERIFY(m.empty());
  36
  37   Map::iterator i = m.insert(Pair("abcde", 3));
  38   VERIFY(m.size() == 1);
  39   VERIFY(std::distance(m.begin(), m.end()) == 1);
  40   VERIFY(i == m.begin());
  41   VERIFY(i->first == "abcde");
  42   VERIFY(i->second == 3);
  43 }
  44
  45 void test02()
  46 {
  47   bool test __attribute__((unused)) = true;
  48
  49   typedef std::unordered_multimap<std::string, int> Map;
  50   typedef std::pair<const std::string, int> Pair;
  51
  52   Map m;
  53   VERIFY(m.empty());
  54
  55   m.insert(Pair("abcde", 3));
  56   m.insert(Pair("abcde", 7));
  57
  58   VERIFY(m.size() == 2);
  59   VERIFY(std::distance(m.begin(), m.end()) == 2);
  60
  61   Map::iterator i1 = m.begin();
  62   Map::iterator i2 = i1;
  63   ++i2;
  64
  65   VERIFY(i1->first == "abcde");
  66   VERIFY(i2->first == "abcde");
  67   VERIFY((i1->second == 3 && i2->second == 7) ||
  68          (i1->second == 7 && i2->second == 3));
  69 }
  70
  71 int main()
  72 {
  73   test01();
  74   test02();
  75   return 0;
  76 }