//===----------------------------------------------------------------------===// // // 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<char32_t> // static size_t length(const char_type* s); #include <string> #include <cassert> int main() { #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS #if __cplusplus >= 201103L assert(std::char_traits<char32_t>::length(U"") == 0); assert(std::char_traits<char32_t>::length(U"a") == 1); assert(std::char_traits<char32_t>::length(U"aa") == 2); assert(std::char_traits<char32_t>::length(U"aaa") == 3); assert(std::char_traits<char32_t>::length(U"aaaa") == 4); #endif #endif // _LIBCPP_HAS_NO_UNICODE_CHARS }