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 // <forward_list> 11 12 // template <class T, class Allocator = allocator<T>> 13 // class forward_list 14 // { 15 // public: 16 // typedef T value_type; 17 // typedef Allocator allocator_type; 18 // 19 // typedef value_type& reference; 20 // typedef const value_type& const_reference; 21 // typedef typename allocator_traits<allocator_type>::pointer pointer; 22 // typedef typename allocator_traits<allocator_type>::const_pointer const_pointer; 23 // typedef typename allocator_traits<allocator_type>::size_type size_type; 24 // typedef typename allocator_traits<allocator_type>::difference_type difference_type; 25 // ... 26 // }; 27 28 #include <forward_list> 29 #include <type_traits> 30 31 #include "min_allocator.h" 32 33 struct A { std::forward_list<A> v; }; // incomplete type support 34 35 int main() 36 { 37 { 38 typedef std::forward_list<char> C; 39 static_assert((std::is_same<C::value_type, char>::value), ""); 40 static_assert((std::is_same<C::allocator_type, std::allocator<char> >::value), ""); 41 static_assert((std::is_same<C::reference, char&>::value), ""); 42 static_assert((std::is_same<C::const_reference, const char&>::value), ""); 43 static_assert((std::is_same<C::pointer, char*>::value), ""); 44 static_assert((std::is_same<C::const_pointer, const char*>::value), ""); 45 static_assert((std::is_same<C::size_type, std::size_t>::value), ""); 46 static_assert((std::is_same<C::difference_type, std::ptrdiff_t>::value), ""); 47 48 static_assert((std::is_signed<typename C::difference_type>::value), ""); 49 static_assert((std::is_unsigned<typename C::size_type>::value), ""); 50 static_assert((std::is_same<typename C::difference_type, 51 typename std::iterator_traits<typename C::iterator>::difference_type>::value), ""); 52 static_assert((std::is_same<typename C::difference_type, 53 typename std::iterator_traits<typename C::const_iterator>::difference_type>::value), ""); 54 } 55 #if TEST_STD_VER >= 11 56 { 57 typedef std::forward_list<char, min_allocator<char>> C; 58 static_assert((std::is_same<C::value_type, char>::value), ""); 59 static_assert((std::is_same<C::allocator_type, min_allocator<char> >::value), ""); 60 static_assert((std::is_same<C::reference, char&>::value), ""); 61 static_assert((std::is_same<C::const_reference, const char&>::value), ""); 62 static_assert((std::is_same<C::pointer, min_pointer<char>>::value), ""); 63 static_assert((std::is_same<C::const_pointer, min_pointer<const char>>::value), ""); 64 // min_allocator doesn't have a size_type, so one gets synthesized 65 static_assert((std::is_same<C::size_type, std::make_unsigned<C::difference_type>::type>::value), ""); 66 static_assert((std::is_same<C::difference_type, std::ptrdiff_t>::value), ""); 67 68 static_assert((std::is_signed<typename C::difference_type>::value), ""); 69 static_assert((std::is_unsigned<typename C::size_type>::value), ""); 70 static_assert((std::is_same<typename C::difference_type, 71 typename std::iterator_traits<typename C::iterator>::difference_type>::value), ""); 72 static_assert((std::is_same<typename C::difference_type, 73 typename std::iterator_traits<typename C::const_iterator>::difference_type>::value), ""); 74 } 75 #endif 76 } 77
