libstdc++-v3/testsuite/23_containers/map/element_access/2.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2010-11-10  Paolo Carlini  <paolo.carlini@oracle.com>
   4 //
   5 // Copyright (C) 2010-2025 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::map<rvalstruct, rvalstruct> Map;
  32
  33   Map m;
  34   VERIFY( m.empty() );
  35
  36   m[rvalstruct(1)] = rvalstruct(17);
  37   VERIFY( m.size() == 1 );
  38   VERIFY( (m.begin()->first).val == 1 );
  39   VERIFY( (m.begin()->second).val == 17 );
  40   VERIFY( m[rvalstruct(1)].val == 17 );
  41
  42   m[rvalstruct(2)] = rvalstruct(9);
  43   VERIFY( m.size() == 2 );
  44   VERIFY( m[rvalstruct(2)].val == 9 );
  45
  46   m[rvalstruct(1)] = rvalstruct(5);
  47   VERIFY( m.size() == 2 );
  48   VERIFY( m[rvalstruct(1)].val == 5 );
  49   VERIFY( m[rvalstruct(2)].val == 9 );
  50 }
  51
  52 int main()
  53 {
  54   test01();
  55   return 0;
  56 }