libstdc++-v3/testsuite/27_io/basic_ofstream/cons/move.cc

   1 // Copyright (C) 2014-2019 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run { target c++11 } }
  19 // { dg-require-fileio "" }
  20
  21 // 27.9.1.11 basic_ofstream constructors [ofstream.cons]
  22
  23 #include <fstream>
  24 #include <string>
  25 #include <testsuite_hooks.h>
  26
  27 using namespace std;
  28
  29 std::string const name = "ofstream-move.txt";
  30
  31 void
  32 test01()
  33 {
  34   string s1 = "Let the whole outside world";
  35   string s2 = " consist of a long paper tape.";
  36   ofstream f(name, ios::trunc);
  37   VERIFY( f.is_open() );
  38   f << s1;
  39   {
  40     ofstream f1 = std::move(f);
  41     VERIFY( f1.is_open() );
  42     VERIFY( !f.is_open() );
  43     f1 << s2;
  44   }
  45   ifstream in(name);
  46   string result;
  47   getline(in, result);
  48   VERIFY( result == (s1 + s2) );
  49 }
  50
  51 void
  52 test02()
  53 {
  54 #ifdef _GLIBCXX_USE_WCHAR_T
  55   wstring s1 = L"Let the whole outside world";
  56   wstring s2 = L" consist of a long paper tape.";
  57   wofstream f(name, ios::trunc);
  58   VERIFY( f.is_open() );
  59   f << s1;
  60   {
  61     wofstream f1 = std::move(f);
  62     VERIFY( f1.is_open() );
  63     VERIFY( !f.is_open() );
  64     f1 << s2;
  65   }
  66   wifstream in(name);
  67   wstring result;
  68   getline(in, result);
  69   VERIFY( result == (s1 + s2) );
  70 #endif
  71 }
  72
  73 int
  74 main()
  75 {
  76   test01();
  77   test02();
  78 }