| // Copyright (C) 2014-2019 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-do run { target c++11 } } |
| // { dg-require-fileio "" } |
| |
| // 27.9.1.12 Assign and swap [ostringstream.assign] |
| |
| #include <fstream> |
| #include <string> |
| #include <testsuite_hooks.h> |
| |
| using namespace std; |
| |
| string const name = "ofstream-assign.txt"; |
| |
| void |
| test01() |
| { |
| string s1 = "Let the whole outside world"; |
| string s2 = " consist of a long paper tape."; |
| ofstream f(name, ios::trunc); |
| VERIFY( f.is_open() ); |
| f << s1; |
| { |
| ofstream f1; |
| f1 = std::move(f); |
| VERIFY( f1.is_open() ); |
| VERIFY( !f.is_open() ); |
| f1 << s2; |
| f1.swap(f); |
| VERIFY( !f1.is_open() ); |
| VERIFY( f.is_open() ); |
| f << s1; |
| swap(f1, f); |
| f1 << s2; |
| } |
| ifstream in(name); |
| string result; |
| getline(in, result); |
| VERIFY( result == (s1 + s2 + s1 + s2) ); |
| } |
| |
| void |
| test02() |
| { |
| #ifdef _GLIBCXX_USE_WCHAR_T |
| std::wofstream s0, s; |
| s = std::move(s0); |
| s.swap(s0); |
| swap(s, s0); |
| #endif |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| test02(); |
| } |