gcc/libstdc++-v3/testsuite/27_io/istream_sentry.cc
Benjamin Kosnik 13187a454d C++STYLE (classname): Add more existing and stylish patterns.
2001-01-16  Benjamin Kosnik  <bkoz@redhat.com>

	* docs/html/17_intro/C++STYLE (classname): Add more existing
	and stylish patterns.

	libstdc++/944
	* include/bits/istream.tcc (istream::sentry::sentry()): Set
	failbit if the state of the stream is not good.
	* testsuite/27_io/istream_sentry.cc (test02): Add test.
	* testsuite/27_io/istream_manip.cc (test01): Modify.

	libstdc++/1019
	reported by Paolo Carlini <pcarlini@unitus.it>
	* include/bits/istream.tcc (operator>>(istream&, string&)): Fix.
	* testsuite/21_strings/inserters_extractors.cc (test08): Add test.

	libstdc++/1057
	* include/bits/std_streambuf.h (setp): Set _M_buf_size correctly.
	* include/bits/streambuf.tcc (xsputn): Remove outside if clause.
	(xsgetn): Same. Simplify.
	* testsuite/27_io/streambuf.cc (test04): Add testcases.

	reported by Larry Evans <jcampbell3@prodigy.net>
	* include/bits/streambuf.tcc (streambuf::xsputn): Just check for
	equality with eof on returned value from overflow.

From-SVN: r39059
2001-01-16 07:55:26 +00:00

99 lines
2.4 KiB
C++

// 1999-10-14 bkoz
// Copyright (C) 1999, 2001 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
// 27.6.1.1.2 class basic_istream::sentry
#include <istream>
#include <sstream>
#include <debug_assert.h>
void test01()
{
bool test = true;
const char* lit01 = "stereolab on the bolsinga tip";
const std::string str01(lit01);
std::stringbuf strbuf01;
std::stringbuf strbuf02(str01);
std::istream istr01(&strbuf01);
std::istream istr02(&strbuf02);
// test negatives
std::istream::sentry sentry01(istr01);
VERIFY( bool(sentry01) == false );
std::istream::sentry sentry02(istr01, true);
VERIFY( bool(sentry02) == false );
// positive tests
std::istream::sentry sentry03(istr02);
VERIFY( bool(sentry03) == true );
std::istream::sentry sentry04(istr02, true);
VERIFY( bool(sentry04) == true );
}
// libstdc++/944
void
test02()
{
using namespace std;
istringstream in("80.21 56.89 12.3");
bool test = true;
int i = 0;
double x;
// ios_base::eof == 2
while(in >> x)
{
++i;
}
VERIFY( i == 3 );
}
int main()
{
test01();
test02();
return 0;
}