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<char16_t> 13 14 // static char_type* copy(char_type* s1, const char_type* s2, size_t n); 15 16 #include <string> 17 #include <cassert> 18 main()19 int main() 20 { 21 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 22 char16_t s1[] = {1, 2, 3}; 23 char16_t s2[3] = {0}; 24 assert(std::char_traits<char16_t>::copy(s2, s1, 3) == s2); 25 assert(s2[0] == char16_t(1)); 26 assert(s2[1] == char16_t(2)); 27 assert(s2[2] == char16_t(3)); 28 assert(std::char_traits<char16_t>::copy(NULL, s1, 0) == NULL); 29 assert(std::char_traits<char16_t>::copy(s1, NULL, 0) == s1); 30 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 31 } 32