X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_streambuf%2Foverflow%2Fchar%2F1.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_streambuf%2Foverflow%2Fchar%2F1.cc;h=918726c87787ff8087e018029282b00d67d5caf4;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/testsuite/27_io/basic_streambuf/overflow/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_streambuf/overflow/char/1.cc new file mode 100644 index 00000000..918726c8 --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_streambuf/overflow/char/1.cc @@ -0,0 +1,110 @@ +// 1999-10-11 bkoz + +// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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 +// . + + +// 27.5.2 template class basic_streambuf + +#include +#include +#include + +class testbuf : public std::streambuf +{ +public: + + // Typedefs: + typedef std::streambuf::traits_type traits_type; + typedef std::streambuf::char_type char_type; + + testbuf(): std::streambuf() + { } + + bool + check_pointers() + { + bool test __attribute__((unused)) = true; + VERIFY( this->eback() == NULL ); + VERIFY( this->gptr() == NULL ); + VERIFY( this->egptr() == NULL ); + VERIFY( this->pbase() == NULL ); + VERIFY( this->pptr() == NULL ); + VERIFY( this->epptr() == NULL ); + return test; + } + + int_type + pub_uflow() + { return (this->uflow()); } + + int_type + pub_overflow(int_type __c = traits_type::eof()) + { return (this->overflow(__c)); } + + int_type + pub_pbackfail(int_type __c) + { return (this->pbackfail(__c)); } + + void + pub_setg(char* beg, char* cur, char *end) + { this->setg(beg, cur, end); } + + void + pub_setp(char* beg, char* end) + { this->setp(beg, end); } + +protected: + int_type + underflow() + { + int_type __retval = traits_type::eof(); + if (this->gptr() < this->egptr()) + __retval = traits_type::not_eof(0); + return __retval; + } +}; + +void test01() +{ + typedef testbuf::traits_type traits_type; + typedef testbuf::int_type int_type; + + bool test __attribute__((unused)) = true; + char lit01[52]; + std::strcpy(lit01, "chicago underground trio/possible cube on delmark"); + testbuf buf01; + + // pbackfail + int i01 = 3; + buf01.pub_setg(lit01, lit01, (lit01 + i01)); + VERIFY( i01 == buf01.in_avail() ); + int_type intt01 = traits_type::to_int_type('b'); + VERIFY( traits_type::eof() == buf01.pub_pbackfail(intt01) ); + + // overflow + VERIFY( traits_type::eof() == buf01.pub_overflow(intt01) ); + VERIFY( traits_type::eof() == buf01.pub_overflow() ); + VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[0]) ); +} + +int main() +{ + test01(); + return 0; +}