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 // <string> 11 12 // reverse_iterator rend(); 13 // const_reverse_iterator rend() const; 14 15 #include <string> 16 #include <cassert> 17 #include <cstddef> 18 19 #include "min_allocator.h" 20 21 template <class S> 22 void test(S s)23test(S s) 24 { 25 const S& cs = s; 26 typename S::reverse_iterator e = s.rend(); 27 typename S::const_reverse_iterator ce = cs.rend(); 28 if (s.empty()) 29 { 30 assert(e == s.rbegin()); 31 assert(ce == cs.rbegin()); 32 } 33 assert(static_cast<std::size_t>(e - s.rbegin()) == s.size()); 34 assert(static_cast<std::size_t>(ce - cs.rbegin()) == cs.size()); 35 } 36 main()37int main() 38 { 39 { 40 typedef std::string S; 41 test(S()); 42 test(S("123")); 43 } 44 #if TEST_STD_VER >= 11 45 { 46 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 47 test(S()); 48 test(S("123")); 49 } 50 #endif 51 } 52