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 // <fstream> 11 12 // template <class charT, class traits = char_traits<charT> > 13 // class basic_ifstream 14 15 // void close(); 16 17 #include <fstream> 18 #include <cassert> 19 main()20int main() 21 { 22 { 23 std::ifstream fs; 24 assert(!fs.is_open()); 25 fs.open("test.dat"); 26 assert(fs.is_open()); 27 fs.close(); 28 assert(!fs.is_open()); 29 } 30 { 31 std::wifstream fs; 32 assert(!fs.is_open()); 33 fs.open("test.dat"); 34 assert(fs.is_open()); 35 fs.close(); 36 assert(!fs.is_open()); 37 } 38 } 39