copy_n.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// ��������������������The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// This file is distributed under the University of Illinois Open Source 6bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// License. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <algorithm> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template<InputIterator InIter, OutputIterator<auto, InIter::reference> OutIter> 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// OutIter 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// copy_n(InIter first, InIter::difference_type n, OutIter result); 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <algorithm> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../iterators.h" 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class InIter, class OutIter> 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest() 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const unsigned N = 1000; 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int ia[N]; 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant for (unsigned i = 0; i < N; ++i) 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ia[i] = i; 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int ib[N] = {0}; 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant OutIter r = std::copy_n(InIter(ia), N/2, OutIter(ib)); 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(base(r) == ib+N/2); 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant for (unsigned i = 0; i < N/2; ++i) 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ia[i] == ib[i]); 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<input_iterator<const int*>, output_iterator<int*> >(); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<input_iterator<const int*>, input_iterator<int*> >(); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<input_iterator<const int*>, forward_iterator<int*> >(); 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<input_iterator<const int*>, bidirectional_iterator<int*> >(); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<input_iterator<const int*>, random_access_iterator<int*> >(); 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<input_iterator<const int*>, int*>(); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<forward_iterator<const int*>, output_iterator<int*> >(); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<forward_iterator<const int*>, input_iterator<int*> >(); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<forward_iterator<const int*>, forward_iterator<int*> >(); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<forward_iterator<const int*>, bidirectional_iterator<int*> >(); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<forward_iterator<const int*>, random_access_iterator<int*> >(); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<forward_iterator<const int*>, int*>(); 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<bidirectional_iterator<const int*>, output_iterator<int*> >(); 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<bidirectional_iterator<const int*>, input_iterator<int*> >(); 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<bidirectional_iterator<const int*>, forward_iterator<int*> >(); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >(); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<bidirectional_iterator<const int*>, random_access_iterator<int*> >(); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<bidirectional_iterator<const int*>, int*>(); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<random_access_iterator<const int*>, output_iterator<int*> >(); 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<random_access_iterator<const int*>, input_iterator<int*> >(); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<random_access_iterator<const int*>, forward_iterator<int*> >(); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<random_access_iterator<const int*>, bidirectional_iterator<int*> >(); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<random_access_iterator<const int*>, random_access_iterator<int*> >(); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<random_access_iterator<const int*>, int*>(); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<const int*, output_iterator<int*> >(); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<const int*, input_iterator<int*> >(); 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<const int*, forward_iterator<int*> >(); 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<const int*, bidirectional_iterator<int*> >(); 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<const int*, random_access_iterator<int*> >(); 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<const int*, int*>(); 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 74