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

   1 // Copyright (C) 2013-2016 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-options "-std=gnu++11" }
  21
  22 #include <algorithm>
  23 #include <testsuite_hooks.h>
  24 #include <testsuite_iterators.h>
  25
  26 using __gnu_test::test_container;
  27 using __gnu_test::random_access_iterator_wrapper;
  28
  29 typedef test_container<int, random_access_iterator_wrapper> Container;
  30
  31 void test01()
  32 {
  33   std::vector<int> v = {
  34     207089,
  35     202585,
  36     180067,
  37     157549,
  38     211592,
  39     216096,
  40     207089
  41   };
  42
  43   Container con(v.data(), v.data() + 7);
  44
  45   std::nth_element(con.begin(), con.begin() + 3, con.end());
  46 }
  47
  48 int main()
  49 {
  50   test01();
  51   return 0;
  52 }