libstdc++-v3/testsuite/tr1/6_containers/unordered_map/insert/array_syntax.cc

   1 // { dg-do run }
   2
   3 // 2005-2-17  Matt Austern  <austern@apple.com>
   4 //
   5 // Copyright (C) 2005-2020 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 // 6.3.4.4 unordered_map
  23 // Array version of insert
  24
  25 #include <string>
  26 #include <iterator>
  27 #include <tr1/unordered_map>
  28 #include "testsuite_hooks.h"
  29
  30 void test01()
  31 {
  32   typedef std::tr1::unordered_map<std::string, int> Map;
  33   typedef std::pair<const std::string, int> Pair;
  34
  35   Map m;
  36   VERIFY(m.empty());
  37
  38   m["red"] = 17;
  39   VERIFY(m.size() == 1);
  40   VERIFY(m.begin()->first == "red");
  41   VERIFY(m.begin()->second == 17);
  42   VERIFY(m["red"] == 17);
  43
  44   m["blue"] = 9;
  45   VERIFY(m.size() == 2);
  46   VERIFY(m["blue"] == 9);
  47
  48   m["red"] = 5;
  49   VERIFY(m.size() == 2);
  50   VERIFY(m["red"] == 5);
  51   VERIFY(m["blue"] == 9);
  52 }
  53
  54 int main()
  55 {
  56   test01();
  57   return 0;
  58 }