cxx/test/strings/basic.string/string.iterators/rend.pass.cpp
2010-05-11 21:36:01 +00:00

40 lines
889 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// reverse_iterator rend();
// const_reverse_iterator rend() const;
#include <string>
#include <cassert>
template <class S>
void
test(S s)
{
const S& cs = s;
typename S::reverse_iterator e = s.rend();
typename S::const_reverse_iterator ce = cs.rend();
if (s.empty())
{
assert(e == s.rbegin());
assert(ce == cs.rbegin());
}
assert(e - s.rbegin() == s.size());
assert(ce - cs.rbegin() == cs.size());
}
int main()
{
typedef std::string S;
test(S());
test(S("123"));
}