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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// template<> struct char_traits<char>
// static char_type* move(char_type* s1, const char_type* s2, size_t n);
#include <string>
#include <cassert>
int main()
{
char s1[] = {1, 2, 3};
assert(std::char_traits<char>::move(s1, s1+1, 2) == s1);
assert(s1[0] == char(2));
assert(s1[1] == char(3));
assert(s1[2] == char(3));
s1[2] = char(0);
assert(std::char_traits<char>::move(s1+1, s1, 2) == s1+1);
assert(s1[0] == char(2));
assert(s1[1] == char(2));
assert(s1[2] == char(3));
assert(std::char_traits<char>::move(NULL, s1, 0) == NULL);
assert(std::char_traits<char>::move(s1, NULL, 0) == s1);
}
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