//===----------------------------------------------------------------------===//
//
// 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>
// template<> struct char_traits<wchar_t>
// static size_t length(const char_type* s);
#include <string>
#include <cassert>
int main()
{
assert(std::char_traits<wchar_t>::length(L"") == 0);
assert(std::char_traits<wchar_t>::length(L"a") == 1);
assert(std::char_traits<wchar_t>::length(L"aa") == 2);
assert(std::char_traits<wchar_t>::length(L"aaa") == 3);
assert(std::char_traits<wchar_t>::length(L"aaaa") == 4);
}