hanchenye-llvm-project/libcxx/test/strings/basic.string/string.iterators/rbegin.pass.cpp

38 lines
815 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// reverse_iterator rbegin();
// const_reverse_iterator rbegin() const;
#include <string>
#include <cassert>
template <class S>
void
test(S s)
{
const S& cs = s;
typename S::reverse_iterator b = s.rbegin();
typename S::const_reverse_iterator cb = cs.rbegin();
if (!s.empty())
{
assert(*b == s.back());
}
assert(b == cb);
}
int main()
{
typedef std::string S;
test(S());
test(S("123"));
}