1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <string>
11
12// template<> struct char_traits<wchar_t>
13
14// static size_t length(const char_type* s);
15
16#include <string>
17#include <cassert>
18
19int main()
20{
21    assert(std::char_traits<wchar_t>::length(L"") == 0);
22    assert(std::char_traits<wchar_t>::length(L"a") == 1);
23    assert(std::char_traits<wchar_t>::length(L"aa") == 2);
24    assert(std::char_traits<wchar_t>::length(L"aaa") == 3);
25    assert(std::char_traits<wchar_t>::length(L"aaaa") == 4);
26}
27