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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [27_io/] [basic_filebuf/] [close/] [char/] [5.cc] - Rev 19
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// 2003-05-20 Paolo Carlini <pcarlini@unitus.it> // Copyright (C) 2003 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 2, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // 27.8.1.3 filebuf member functions // @require@ %-*.tst %-*.txt // @diff@ %-*.tst %-*.txt // Test that upon filebuf::close() 27.8.1.1,3 is enforced. #include <fstream> #include <testsuite_hooks.h> const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create bool overflow_called; bool underflow_called; bool uflow_called; class Close_filebuf : public std::filebuf { public: int_type overflow(int_type c) { overflow_called = true; return std::filebuf::overflow(c); } int_type underflow() { underflow_called = true; return std::filebuf::underflow(); } int_type uflow() { uflow_called = true; return std::filebuf::uflow(); } }; void test_05() { bool test __attribute__((unused)) = true; Close_filebuf fb_01, fb_02; char buffer[] = "xxxxxxxxxx"; // 'in' fb_01.open(name_01, std::ios_base::in); fb_01.sgetc(); fb_01.close(); underflow_called = false; fb_01.sgetc(); VERIFY( underflow_called == true ); uflow_called = false; fb_01.sbumpc(); VERIFY( uflow_called == true ); uflow_called = false; fb_01.snextc(); VERIFY( uflow_called == true ); uflow_called = false; fb_01.sgetn(buffer, sizeof(buffer)); VERIFY( uflow_called == true ); // 'out' fb_02.open(name_02, std::ios_base::out); fb_02.close(); overflow_called = false; fb_02.sputc('T'); VERIFY( overflow_called == true ); overflow_called = false; fb_02.sputn(buffer, sizeof(buffer)); VERIFY( overflow_called == true ); } int main() { test_05(); return 0; }