libstdc++-v3/testsuite/tr1/6_containers/unordered_set/insert/set_single.cc

   1 // { dg-do run }
   2
   3 // 2005-2-17  Matt Austern  <austern@apple.com>
   4 //
   5 // Copyright (C) 2005-2024 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 // 6.3.4.3 unordered_set
  23 // Single-element insert
  24
  25 #include <string>
  26 #include <iterator>
  27 #include <tr1/unordered_set>
  28 #include "testsuite_hooks.h"
  29
  30 void test01()
  31 {
  32   typedef std::tr1::unordered_set<std::string> Set;
  33   Set s;
  34   VERIFY(s.empty());
  35
  36   std::pair<Set::iterator, bool> p = s.insert("abcde");
  37   VERIFY(p.second);
  38   VERIFY(s.size() == 1);
  39   VERIFY(std::distance(s.begin(), s.end()) == 1);
  40   VERIFY(p.first == s.begin());
  41   VERIFY(*p.first == "abcde");
  42 }
  43
  44 void test02()
  45 {
  46   typedef std::tr1::unordered_set<std::string> Set;
  47   Set s;
  48   VERIFY(s.empty());
  49
  50   std::pair<Set::iterator, bool> p1 = s.insert("abcde");
  51   std::pair<Set::iterator, bool> p2 = s.insert("abcde");
  52   VERIFY(p1.second);
  53   VERIFY(!p2.second);
  54   VERIFY(s.size() == 1);
  55   VERIFY(p1.first == p2.first);
  56   VERIFY(*p1.first == "abcde");
  57 }
  58
  59 int main()
  60 {
  61   test01();
  62   test02();
  63   return 0;
  64 }