libcxx/test/strings/basic.string/string.iterators/cbegin.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <string>

// const_iterator cbegin() const;

#include <string>
#include <cassert>

template <class S>
void
test(const S& s)
{
    typename S::const_iterator cb = s.cbegin();
    if (!s.empty())
    {
        assert(*cb == s[0]);
    }
    assert(cb == s.begin());
}

int main()
{
    typedef std::string S;
    test(S());
    test(S("123"));
}