libstdc++-v3/testsuite/25_algorithms/nth_element/58800.cc

   1 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 25.3.2 [lib.alg.nth.element]
  19
  20 // { dg-do run { target c++11 } }
  21
  22 #include <algorithm>
  23 #include <vector>
  24 #include <testsuite_hooks.h>
  25 #include <testsuite_iterators.h>
  26
  27 using __gnu_test::test_container;
  28 using __gnu_test::random_access_iterator_wrapper;
  29
  30 typedef test_container<int, random_access_iterator_wrapper> Container;
  31
  32 void test01()
  33 {
  34   std::vector<int> v = {
  35     207089,
  36     202585,
  37     180067,
  38     157549,
  39     211592,
  40     216096,
  41     207089
  42   };
  43
  44   Container con(v.data(), v.data() + 7);
  45
  46   std::nth_element(con.begin(), con.begin() + 3, con.end());
  47 }
  48
  49 int main()
  50 {
  51   test01();
  52   return 0;
  53 }