1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <algorithm> 11 12 // template<InputIterator InIter, OutputIterator<auto, InIter::reference> OutIter> 13 // constexpr OutIter // constexpr after C++17 14 // copy(InIter first, InIter last, OutIter result); 15 16 #include <algorithm> 17 #include <cassert> 18 19 #include "test_macros.h" 20 #include "test_iterators.h" 21 22 // #if TEST_STD_VER > 17 23 // TEST_CONSTEXPR bool test_constexpr() { 24 // int ia[] = {1, 2, 3, 4, 5}; 25 // int ic[] = {6, 6, 6, 6, 6, 6, 6}; 26 // 27 // auto p = std::copy(std::begin(ia), std::end(ia), std::begin(ic)); 28 // return std::equal(std::begin(ia), std::end(ia), std::begin(ic), p) 29 // && std::all_of(p, std::end(ic), [](int a){return a == 6;}) 30 // ; 31 // } 32 // #endif 33 34 template <class InIter, class OutIter> 35 void 36 test() 37 { 38 const unsigned N = 1000; 39 int ia[N]; 40 for (unsigned i = 0; i < N; ++i) 41 ia[i] = i; 42 int ib[N] = {0}; 43 44 OutIter r = std::copy(InIter(ia), InIter(ia+N), OutIter(ib)); 45 assert(base(r) == ib+N); 46 for (unsigned i = 0; i < N; ++i) 47 assert(ia[i] == ib[i]); 48 } 49 50 int main() 51 { 52 test<input_iterator<const int*>, output_iterator<int*> >(); 53 test<input_iterator<const int*>, input_iterator<int*> >(); 54 test<input_iterator<const int*>, forward_iterator<int*> >(); 55 test<input_iterator<const int*>, bidirectional_iterator<int*> >(); 56 test<input_iterator<const int*>, random_access_iterator<int*> >(); 57 test<input_iterator<const int*>, int*>(); 58 59 test<forward_iterator<const int*>, output_iterator<int*> >(); 60 test<forward_iterator<const int*>, input_iterator<int*> >(); 61 test<forward_iterator<const int*>, forward_iterator<int*> >(); 62 test<forward_iterator<const int*>, bidirectional_iterator<int*> >(); 63 test<forward_iterator<const int*>, random_access_iterator<int*> >(); 64 test<forward_iterator<const int*>, int*>(); 65 66 test<bidirectional_iterator<const int*>, output_iterator<int*> >(); 67 test<bidirectional_iterator<const int*>, input_iterator<int*> >(); 68 test<bidirectional_iterator<const int*>, forward_iterator<int*> >(); 69 test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >(); 70 test<bidirectional_iterator<const int*>, random_access_iterator<int*> >(); 71 test<bidirectional_iterator<const int*>, int*>(); 72 73 test<random_access_iterator<const int*>, output_iterator<int*> >(); 74 test<random_access_iterator<const int*>, input_iterator<int*> >(); 75 test<random_access_iterator<const int*>, forward_iterator<int*> >(); 76 test<random_access_iterator<const int*>, bidirectional_iterator<int*> >(); 77 test<random_access_iterator<const int*>, random_access_iterator<int*> >(); 78 test<random_access_iterator<const int*>, int*>(); 79 80 test<const int*, output_iterator<int*> >(); 81 test<const int*, input_iterator<int*> >(); 82 test<const int*, forward_iterator<int*> >(); 83 test<const int*, bidirectional_iterator<int*> >(); 84 test<const int*, random_access_iterator<int*> >(); 85 test<const int*, int*>(); 86 87 // #if TEST_STD_VER > 17 88 // static_assert(test_constexpr()); 89 // #endif 90 } 91
