1 // 2003-04-26 Petur Runolfsson <peturr02@ru.is>
3 // Copyright (C) 2003, 2004, 2009 Free Software Foundation
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 // 27.3 Standard iostream objects
22 // Check that standard streams can be used from constructors and
23 // destructors of static objects, provided that an instance of
24 // ios_base::Init has been constructed.
26 void init_standard_streams();
27 int use_standard_streams();
35 init_standard_streams();
36 i = use_standard_streams();
41 use_standard_streams();
42 init_standard_streams();
46 static Strange static_ob;
48 #include <testsuite_hooks.h>
51 void init_standard_streams()
53 std::ios_base::Init init;
56 int use_standard_streams()
58 std::cout << "Hello, world!" << std::endl;
59 std::cerr << "World, hello!" << std::endl;
61 int ret = std::ios_base::xalloc();
62 std::cin.iword(ret) = ret + 1;
63 std::cout.iword(ret) = ret + 2;
64 std::cerr.iword(ret) = ret + 3;
65 std::clog.iword(ret) = ret + 4;
71 bool test __attribute__((unused)) = true;
74 VERIFY( std::cin.iword(i) == i + 1 );
75 VERIFY( std::cout.iword(i) == i + 2 );
76 VERIFY( std::cerr.iword(i) == i + 3 );
77 VERIFY( std::clog.iword(i) == i + 4 );