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* assign(char_type* s, size_t n, char_type a);
15 
16 #include <string>
17 #include <cassert>
18 
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>::assign(s2, 3, char16_t(5)) == s2);
25     assert(s2[0] == char16_t(5));
26     assert(s2[1] == char16_t(5));
27     assert(s2[2] == char16_t(5));
28 #endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
29 }
30