reverse_iterator.pass.cpp revision 8226d0b7c5f9e3a4d4a2b94179234085d973841f
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 "../../../../../iterators.h" 23 24template <class It, class U> 25void 26test(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 35struct Base {}; 36struct Derived : Base {}; 37 38int 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