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 const char_type* find(const char_type* s, size_t n, const char_type& a);
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     assert(std::char_traits<char16_t>::find(s1, 3, char16_t(1)) == s1);
24     assert(std::char_traits<char16_t>::find(s1, 3, char16_t(2)) == s1+1);
25     assert(std::char_traits<char16_t>::find(s1, 3, char16_t(3)) == s1+2);
26     assert(std::char_traits<char16_t>::find(s1, 3, char16_t(4)) == 0);
27     assert(std::char_traits<char16_t>::find(s1, 3, char16_t(0)) == 0);
28 #endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
29 }
30