2003-08-26 13:46:22 +02:00
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// Derived from libstdc++/12048 by LJR <ljrittle@acm.org> with
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// reminder from Petur Runolfsson <peturr02@ru.is>.
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// Copyright (C) 2003 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 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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2005-08-17 04:28:44 +02:00
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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2003-08-26 13:46:22 +02:00
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// USA.
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#include <iostream>
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#include <testsuite_hooks.h>
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void
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test01()
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{
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std::freopen("cin_unget-1.txt", "r", stdin);
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re PR libstdc++/12048 (unget does not work)
2003-09-03 Petur Runolfsson <peturr02@ru.is>
PR libstdc++/12048
* include/ext/stdio_sync_filebuf.h
(stdio_sync_filebuf::_M_unget_buf): Declare it.
(stdio_sync_filebuf::stdio_sync_filebuf): Initialize _M_unget_buf.
(stdio_sync_filebuf::uflow): Store the returned character in
_M_unget_buf.
(stdio_sync_filebuf::pbackfail): If argument is eof(), pass
_M_unget_buf to syncungetc(). Set _M_unget_buf to eof().
(stdio_sync_filebuf<char>::xsgetn): Store last read character in
_M_unget_buf, if any, else eof().
(stdio_sync_filebuf<wchar_t>::xsgetn: Store last read character in
_M_unget_buf, if any, else eof().
* testsuite/27_io/objects/char/12048.cc: Rename to...
* testsuite/27_io/objects/char/12048-1.cc: ...this.
* testsuite/27_io/objects/char/12048-2.cc: New test.
* testsuite/27_io/objects/char/12048-3.cc: New test.
* testsuite/27_io/objects/char/12048-4.cc: New test.
* testsuite/27_io/objects/char/12048-5.cc: New test. XFAIL.
* testsuite/27_io/objects/wchar_t/12048-1.cc: New test.
* testsuite/27_io/objects/wchar_t/12048-2.cc: New test.
* testsuite/27_io/objects/wchar_t/12048-3.cc: New test.
* testsuite/27_io/objects/wchar_t/12048-4.cc: New test.
* testsuite/27_io/objects/wchar_t/12048-5.cc: New test. XFAIL.
* testsuite/ext/stdio_sync_filebuf_char.cc
(test02, test03, test04, test05): New tests.
* testsuite/ext/stdio_sync_filebuf_wchar_t.cc
(test02, test03, test04, test05): New tests.
From-SVN: r71027
2003-09-03 16:57:04 +02:00
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wchar_t c1;
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wchar_t c2;
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std::wcin.get(c1);
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std::wcin.unget();
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std::wcin.get(c2);
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VERIFY( std::wcin.good() );
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VERIFY( c1 == c2 );
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2003-08-26 13:46:22 +02:00
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}
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int main(void)
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{
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test01();
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return 0;
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}
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