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78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
// 2003-05-01 Petur Runolfsson <peturr02@ru.is>
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// Copyright (C) 2001-2016 Free Software Foundation, Inc.
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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 3, 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 COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <fstream>
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#include <iostream>
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#include <testsuite_hooks.h>
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class gnu_filebuf: public std::wfilebuf
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{
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int i;
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public:
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gnu_filebuf(int j = 1): i(j) { }
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~gnu_filebuf() { --i; }
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int get_i() { return i;}
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};
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const int initial = 4;
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gnu_filebuf buf(initial);
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// libstdc++/3045, in a vague way.
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void test01()
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{
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bool test __attribute__((unused)) = true;
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int k1;
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// 1 normal
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k1 = buf.get_i();
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VERIFY( k1 == initial );
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{
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std::wcout.rdbuf(&buf);
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}
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k1 = buf.get_i();
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VERIFY( k1 == initial );
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// 2 syncd off
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k1 = buf.get_i();
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VERIFY( k1 == initial );
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{
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std::wcout.rdbuf(&buf);
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std::ios_base::sync_with_stdio(false); // make sure doesn't clobber buf
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}
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k1 = buf.get_i();
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VERIFY( k1 == initial );
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// 3 callling init
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k1 = buf.get_i();
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VERIFY( k1 == initial );
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{
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std::wcout.rdbuf(&buf);
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std::ios_base::Init make_sure_initialized;
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}
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k1 = buf.get_i();
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VERIFY( k1 == initial );
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}
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int main()
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{
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test01();
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return 0;
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}
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