libstdc++-v3/testsuite/23_containers/multimap/modifiers/insert/4.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2010-11-10  Paolo Carlini  <paolo.carlini@oracle.com>
   4 //
   5 // Copyright (C) 2010-2024 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <iterator>
  23 #include <map>
  24 #include <testsuite_hooks.h>
  25 #include <testsuite_rvalref.h>
  26
  27 void test01()
  28 {
  29   using __gnu_test::rvalstruct;
  30
  31   typedef std::multimap<rvalstruct, rvalstruct> Map;
  32   typedef std::pair<rvalstruct, rvalstruct> Pair;
  33
  34   Map m;
  35   VERIFY( m.empty() );
  36
  37   Map::iterator i = m.insert(m.begin(),
  38                              Pair(rvalstruct(1), rvalstruct(3)));
  39   VERIFY( m.size() == 1 );
  40   VERIFY( std::distance(m.begin(), m.end()) == 1 );
  41   VERIFY( i == m.begin() );
  42   VERIFY( (i->first).val == 1 );
  43   VERIFY( (i->second).val == 3 );
  44 }
  45
  46 void test02()
  47 {
  48   using __gnu_test::rvalstruct;
  49
  50   typedef std::multimap<rvalstruct, rvalstruct> Map;
  51   typedef std::pair<rvalstruct, rvalstruct> Pair;
  52
  53   Map m;
  54   VERIFY( m.empty() );
  55
  56   Map::iterator i0 = m.insert(Pair(rvalstruct(2), rvalstruct(3)));
  57   m.insert(i0, Pair(rvalstruct(2), rvalstruct(7)));
  58
  59   VERIFY( m.size() == 2 );
  60   VERIFY( std::distance(m.begin(), m.end()) == 2 );
  61
  62   Map::iterator i1 = m.begin();
  63   Map::iterator i2 = i1;
  64   ++i2;
  65
  66   VERIFY( (i1->first).val == 2 );
  67   VERIFY( (i2->first).val == 2 );
  68   VERIFY( (i1->second).val == 7 && (i2->second).val == 3 );
  69 }
  70
  71 int main()
  72 {
  73   test01();
  74   test02();
  75   return 0;
  76 }