text: //===----------------------------------------------------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is dual licensed under the MIT and the University of Illinois Open
  // Source Licenses. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  
  // <algorithm>
  
  // template<class ForwardIterator, class Predicate>
  //     ForwardIterator
  //     partition_point(ForwardIterator first, ForwardIterator last, Predicate pred);
  
  #include <algorithm>
  #include <cassert>
  
  #include "test_iterators.h"
  
  struct is_odd
  {
      bool operator()(const int& i) const {return i & 1;}
  };
  
  int main()
  {
      {
          const int ia[] = {2, 4, 6, 8, 10};
          assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
                                      forward_iterator<const int*>(std::end(ia)),
                                      is_odd()) == forward_iterator<const int*>(ia));
      }
      {
          const int ia[] = {1, 2, 4, 6, 8};
          assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
                                      forward_iterator<const int*>(std::end(ia)),
                                      is_odd()) == forward_iterator<const int*>(ia + 1));
      }
      {
          const int ia[] = {1, 3, 2, 4, 6};
          assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
                                      forward_iterator<const int*>(std::end(ia)),
                                      is_odd()) == forward_iterator<const int*>(ia + 2));
      }
      {
          const int ia[] = {1, 3, 5, 2, 4, 6};
          assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
                                      forward_iterator<const int*>(std::end(ia)),
                                      is_odd()) == forward_iterator<const int*>(ia + 3));
      }
      {
          const int ia[] = {1, 3, 5, 7, 2, 4};
          assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
                                      forward_iterator<const int*>(std::end(ia)),
                                      is_odd()) == forward_iterator<const int*>(ia + 4));
      }
      {
          const int ia[] = {1, 3, 5, 7, 9, 2};
          assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
                                      forward_iterator<const int*>(std::end(ia)),
                                      is_odd()) == forward_iterator<const int*>(ia + 5));
      }
      {
          const int ia[] = {1, 3, 5, 7, 9, 11};
          assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
                                      forward_iterator<const int*>(std::end(ia)),
                                      is_odd()) == forward_iterator<const int*>(ia + 6));
      }
      {
          const int ia[] = {1, 3, 5, 2, 4, 6, 7};
          assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
                                      forward_iterator<const int*>(std::begin(ia)),
                                      is_odd()) == forward_iterator<const int*>(ia));
      }
  }
  