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 // <iterator> 11 12 // move_iterator 13 14 // Test nested types: 15 16 // template <InputIterator Iter> 17 // class move_iterator { 18 // public: 19 // typedef Iter iterator_type; 20 // typedef Iter::difference_type difference_type; 21 // typedef Iterator pointer; 22 // typedef Iter::value_type value_type; 23 // typedef value_type&& reference; 24 // }; 25 26 #include <iterator> 27 #include <type_traits> 28 29 #include "test_iterators.h" 30 31 template <class It> 32 void 33 test() 34 { 35 typedef std::move_iterator<It> R; 36 typedef std::iterator_traits<It> T; 37 static_assert((std::is_same<typename R::iterator_type, It>::value), ""); 38 static_assert((std::is_same<typename R::difference_type, typename T::difference_type>::value), ""); 39 static_assert((std::is_same<typename R::pointer, typename T::pointer>::value), ""); 40 static_assert((std::is_same<typename R::value_type, typename T::value_type>::value), ""); 41 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 42 static_assert((std::is_same<typename R::reference, typename R::value_type&&>::value), ""); 43 #else 44 static_assert((std::is_same<typename R::reference, typename T::reference>::value), ""); 45 #endif 46 static_assert((std::is_same<typename R::iterator_category, typename T::iterator_category>::value), ""); 47 } 48 49 int main() 50 { 51 test<input_iterator<char*> >(); 52 test<forward_iterator<char*> >(); 53 test<bidirectional_iterator<char*> >(); 54 test<random_access_iterator<char*> >(); 55 test<char*>(); 56 } 57
