X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_filebuf%2Foverflow%2Fchar%2F9988.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_filebuf%2Foverflow%2Fchar%2F9988.cc;h=74dd04bb8f604e4f44241a6a4147681f0700287b;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/overflow/char/9988.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/overflow/char/9988.cc new file mode 100644 index 00000000..74dd04bb --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/overflow/char/9988.cc @@ -0,0 +1,70 @@ +// 2001-05-21 Benjamin Kosnik + +// Copyright (C) 2001, 2002, 2003, 2009 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 3, 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 COPYING3. If not see +// . + +// 27.8.1.4 Overridden virtual functions + +// { dg-require-fileio "" } + +#include +#include + +const char name_08[] = "filebuf_virtuals-8.txt"; // empty file, need to create + +class OverBuf : public std::filebuf +{ +public: + int_type pub_overflow(int_type c = traits_type::eof()) + { return std::filebuf::overflow(c); } +}; + +// libstdc++/9988 +// filebuf::overflow writes EOF to file +void test15() +{ + using namespace std; + bool test __attribute__((unused)) = true; + + OverBuf fb; + fb.open(name_08, ios_base::out | ios_base::trunc); + + fb.sputc('a'); + fb.pub_overflow('b'); + fb.pub_overflow(); + fb.sputc('c'); + fb.close(); + + filebuf fbin; + fbin.open(name_08, ios_base::in); + filebuf::int_type c; + c = fbin.sbumpc(); + VERIFY( c == 'a' ); + c = fbin.sbumpc(); + VERIFY( c == 'b' ); + c = fbin.sbumpc(); + VERIFY( c == 'c' ); + c = fbin.sbumpc(); + VERIFY( c == filebuf::traits_type::eof() ); + fbin.close(); +} + +int main() +{ + test15(); + return 0; +}