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<char> 13 14 // static char_type* move(char_type* s1, const char_type* s2, size_t n); 15 16 #include <string> 17 #include <cassert> 18 19 int main() 20 { 21 char s1[] = {1, 2, 3}; 22 assert(std::char_traits<char>::move(s1, s1+1, 2) == s1); 23 assert(s1[0] == char(2)); 24 assert(s1[1] == char(3)); 25 assert(s1[2] == char(3)); 26 s1[2] = char(0); 27 assert(std::char_traits<char>::move(s1+1, s1, 2) == s1+1); 28 assert(s1[0] == char(2)); 29 assert(s1[1] == char(2)); 30 assert(s1[2] == char(3)); 31 assert(std::char_traits<char>::move(NULL, s1, 0) == NULL); 32 assert(std::char_traits<char>::move(s1, NULL, 0) == s1); 33 } 34