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 char_type* move(char_type* s1, const char_type* s2, size_t n);
15
16 #include <string>
17 #include <cassert>
18
main()19 int main()
20 {
21 wchar_t s1[] = {1, 2, 3};
22 assert(std::char_traits<wchar_t>::move(s1, s1+1, 2) == s1);
23 assert(s1[0] == wchar_t(2));
24 assert(s1[1] == wchar_t(3));
25 assert(s1[2] == wchar_t(3));
26 s1[2] = wchar_t(0);
27 assert(std::char_traits<wchar_t>::move(s1+1, s1, 2) == s1+1);
28 assert(s1[0] == wchar_t(2));
29 assert(s1[1] == wchar_t(2));
30 assert(s1[2] == wchar_t(3));
31 assert(std::char_traits<wchar_t>::move(NULL, s1, 0) == NULL);
32 assert(std::char_traits<wchar_t>::move(s1, NULL, 0) == s1);
33 }
34