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 // reverse_iterator& operator--(); 15 16 #include <iterator> 17 #include <cassert> 18 19 #include "test_iterators.h" 20 21 template <class It> 22 void 23 test(It i, It x) 24 { 25 std::reverse_iterator<It> r(i); 26 std::reverse_iterator<It>& rr = --r; 27 assert(r.base() == x); 28 assert(&rr == &r); 29 } 30 31 int main() 32 { 33 const char* s = "123"; 34 test(bidirectional_iterator<const char*>(s+1), bidirectional_iterator<const char*>(s+2)); 35 test(random_access_iterator<const char*>(s+1), random_access_iterator<const char*>(s+2)); 36 test(s+1, s+2); 37 } 38
