b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
823 B
C++
35 lines
823 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>
|
|
|
|
// const charT& back() const;
|
|
// charT& back();
|
|
|
|
#include <string>
|
|
#include <cassert>
|
|
|
|
template <class S>
|
|
void
|
|
test(S s)
|
|
{
|
|
const S& cs = s;
|
|
assert(&cs.back() == &cs[cs.size()-1]);
|
|
assert(&s.back() == &s[cs.size()-1]);
|
|
s.back() = typename S::value_type('z');
|
|
assert(s.back() == typename S::value_type('z'));
|
|
}
|
|
|
|
int main()
|
|
{
|
|
typedef std::string S;
|
|
test(S("1"));
|
|
test(S("1234567890123456789012345678901234567890"));
|
|
}
|