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 // reverse_iterator 13 14 // template <class U> 15 // requires HasAssign<Iter, const U&> 16 // reverse_iterator& 17 // operator=(const reverse_iterator<U>& u); 18 19 #include <iterator> 20 #include <cassert> 21 22 #include "test_iterators.h" 23 24 template <class It, class U> 25 void 26 test(U u) 27 { 28 const std::reverse_iterator<U> r2(u); 29 std::reverse_iterator<It> r1; 30 std::reverse_iterator<It>& rr = r1 = r2; 31 assert(r1.base() == u); 32 assert(&rr == &r1); 33 } 34 35 struct Base {}; 36 struct Derived : Base {}; 37 38 int main() 39 { 40 Derived d; 41 42 test<bidirectional_iterator<Base*> >(bidirectional_iterator<Derived*>(&d)); 43 test<random_access_iterator<const Base*> >(random_access_iterator<Derived*>(&d)); 44 test<Base*>(&d); 45 } 46
