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_fstream 14 15 // basic_fstream& operator=(basic_fstream&& rhs); 16 17 #include <fstream> 18 #include <cassert> 19 main()20int main() 21 { 22 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 23 char temp[L_tmpnam]; 24 tmpnam(temp); 25 { 26 std::fstream fso(temp, std::ios_base::in | std::ios_base::out 27 | std::ios_base::trunc); 28 std::fstream fs; 29 fs = move(fso); 30 double x = 0; 31 fs << 3.25; 32 fs.seekg(0); 33 fs >> x; 34 assert(x == 3.25); 35 } 36 std::remove(temp); 37 { 38 std::wfstream fso(temp, std::ios_base::in | std::ios_base::out 39 | std::ios_base::trunc); 40 std::wfstream fs; 41 fs = move(fso); 42 double x = 0; 43 fs << 3.25; 44 fs.seekg(0); 45 fs >> x; 46 assert(x == 3.25); 47 } 48 std::remove(temp); 49 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 50 } 51