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 // <ios> 11 12 // template <class StateT> class fpos 13 14 // Subraction with offset 15 16 #include <ios> 17 #include <cassert> 18 19 int main() 20 { 21 typedef std::fpos<std::mbstate_t> P; 22 P p(11); 23 std::streamoff o(6); 24 P q = p - o; 25 assert(q == P(5)); 26 p -= o; 27 assert(p == q); 28 } 29