86 lines
2.0 KiB
C++
86 lines
2.0 KiB
C++
// 2003-05-01 Petur Runolfsson <peturr02@ru.is>
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// Copyright (C) 2003, 2004 Free Software Foundation
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// 27.3 Standard iostream objects
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// Check that standard streams can be used from constructors and
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// destructors of static objects, provided that an instance of
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// ios_base::Init has been constructed.
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void init_standard_streams();
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int use_standard_streams();
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struct Strange
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{
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int i;
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Strange()
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{
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init_standard_streams();
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i = use_standard_streams();
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}
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~Strange()
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{
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use_standard_streams();
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init_standard_streams();
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}
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};
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static Strange static_ob;
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#include <testsuite_hooks.h>
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#include <iostream>
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void init_standard_streams()
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{
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std::ios_base::Init init;
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}
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int use_standard_streams()
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{
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std::wcout << L"Hello, world!" << std::endl;
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std::wcerr << L"World, hello!" << std::endl;
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int ret = std::ios_base::xalloc();
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std::wcin.iword(ret) = ret + 1;
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std::wcout.iword(ret) = ret + 2;
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std::wcerr.iword(ret) = ret + 3;
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std::wclog.iword(ret) = ret + 4;
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return ret;
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}
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void test05()
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{
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bool test __attribute__((unused)) = true;
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int i = static_ob.i;
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VERIFY( std::wcin.iword(i) == i + 1 );
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VERIFY( std::wcout.iword(i) == i + 2 );
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VERIFY( std::wcerr.iword(i) == i + 3 );
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VERIFY( std::wclog.iword(i) == i + 4 );
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}
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int main()
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{
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test05();
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return 0;
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}
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