gcc/libstdc++-v3/testsuite/27_io/ifstream_members.cc
Brent Verner aa1b2f7d95 debug_assert.h: new file
2000-08-14  Brent Verner <brent@rcfile.org>

	* testsuite/debug_assert.h: new file
	* testsuite/*/*.cc: s/test\s*&=([^;]+);/VERIFY($1);/g
	changed conditional #include <c?assert.?h?> to
	unconditional #include <debug_assert.h>
	* mkcheck.in: added $SRC_DIR/testsuite to include search path
	for testsuite compile command.

From-SVN: r35682
2000-08-14 19:59:26 +00:00

80 lines
1.9 KiB
C++

// Copyright (C) 2000 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.
// 27.8.1.7 ifstream member functions
#include <istream>
#include <fstream>
#include <debug_assert.h>
const char name_01[] = "testsuite/ifstream_members-1.tst";
const char name_02[] = "testsuite/ifstream_members-1.txt";
// http://sourceware.cygnus.com/ml/libstdc++/2000-06/msg00136.html
bool test00()
{
bool test = true;
std::ifstream ifs1;
ifs1.close();
// false as expected:
VERIFY( !ifs1.is_open() );
// this is now true:
VERIFY( !(ifs1) );
ifs1.open(name_01);
VERIFY( ifs1.is_open() );
// fail bit still true
VERIFY( !(ifs1) );
VERIFY( ifs1.rdstate() == std::ios_base::failbit );
ifs1.close();
#ifdef DEBUG_ASSERT
assert(test);
#endif
return test;
}
// http://sourceware.cygnus.com/ml/libstdc++/2000-07/msg00004.html
bool test01()
{
bool test = true;
const int more_than_max_open_files = 8200;
for(int i = 0; ++i < more_than_max_open_files;)
{
std::ifstream ifs(name_01);
VERIFY( static_cast<bool>(ifs) );
}
#ifdef DEBUG_ASSERT
assert(test);
#endif
return test;
}
int main()
{
test00();
test01();
}