1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <algorithm> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant// template<ForwardIterator Iter> 13eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant// requires LessThanComparable<Iter::value_type> 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// Iter 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// min_element(Iter first, Iter last); 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <algorithm> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 2083e2c4d877fe2d7793868b1c6a5d9525a7c4d431Marshall Clow#include "test_iterators.h" 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class Iter> 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest(Iter first, Iter last) 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant Iter i = std::min_element(first, last); 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant if (first != last) 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant for (Iter j = first; j != last; ++j) 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!(*j < *i)); 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant else 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == last); 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class Iter> 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest(unsigned N) 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int* a = new int[N]; 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant for (int i = 0; i < N; ++i) 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant a[i] = i; 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::random_shuffle(a, a+N); 44eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant test(Iter(a), Iter(a+N)); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant delete [] a; 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class Iter> 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest() 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<Iter>(0); 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<Iter>(1); 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<Iter>(2); 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<Iter>(3); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<Iter>(10); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<Iter>(1000); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<forward_iterator<const int*> >(); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<bidirectional_iterator<const int*> >(); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<random_access_iterator<const int*> >(); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<const int*>(); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 67