1 // 2003-04-26 Petur Runolfsson <peturr02@ru.is>
3 // Copyright (C) 2003 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 2, 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 COPYING. If not, write to the Free
18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
21 // 27.3 Standard iostream objects
23 // Check that standard streams can be used from constructors and
24 // destructors of static objects, provided that an instance of
25 // ios_base::Init has been constructed.
27 void init_standard_streams();
28 int use_standard_streams();
36 init_standard_streams();
37 i = use_standard_streams();
42 use_standard_streams();
43 init_standard_streams();
47 static Strange static_ob;
49 #include <testsuite_hooks.h>
52 void init_standard_streams()
54 std::ios_base::Init init;
57 int use_standard_streams()
59 std::cout << "Hello, world!" << std::endl;
60 std::cerr << "World, hello!" << std::endl;
62 int ret = std::ios_base::xalloc();
63 std::cin.iword(ret) = ret + 1;
64 std::cout.iword(ret) = ret + 2;
65 std::cerr.iword(ret) = ret + 3;
66 std::clog.iword(ret) = ret + 4;
72 bool test __attribute__((unused)) = true;
75 VERIFY( std::cin.iword(i) == i + 1 );
76 VERIFY( std::cout.iword(i) == i + 2 );
77 VERIFY( std::cerr.iword(i) == i + 3 );
78 VERIFY( std::clog.iword(i) == i + 4 );