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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Version: MPL 1.1 / GPLv3+ / LGPLv3+
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Initial Developer of the Original Code is
* Caolán McNamara <caolanm@redhat.com> (Red Hat, Inc.)
* Portions created by the Initial Developer are Copyright (C) 2011 the
* Initial Developer. All Rights Reserved.
*
* Contributor(s): Caolán McNamara <caolanm@redhat.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
* instead of those above.
*/
#include "precompiled_tools.hxx"
#include <sal/cppunit.h>
#include <tools/stream.hxx>
#include <sstream>
//Tests for eofbit/badbit/goodbit/failbit
namespace
{
class Test: public CppUnit::TestFixture
{
public:
void test_stdstream();
CPPUNIT_TEST_SUITE(Test);
CPPUNIT_TEST(test_stdstream);
CPPUNIT_TEST_SUITE_END();
};
void Test::test_stdstream()
{
char foo[] = "foo";
std::istringstream iss(foo, std::istringstream::in);
SvMemoryStream aMemStream(RTL_CONSTASCII_STRINGPARAM(foo), STREAM_READ);
char std_a(78);
iss >> std_a;
CPPUNIT_ASSERT(std_a == 'f');
char tools_a(78);
aMemStream >> tools_a;
CPPUNIT_ASSERT(std_a == 'f');
iss.seekg(0, std::ios_base::end);
//seeking to end doesn't set eof, reading past eof does
CPPUNIT_ASSERT(!iss.eof());
CPPUNIT_ASSERT(iss.good());
aMemStream.Seek(STREAM_SEEK_TO_END);
//seeking to end doesn't set eof, reading past eof does
CPPUNIT_ASSERT(!aMemStream.eof());
CPPUNIT_ASSERT(aMemStream.good());
std_a = 78;
iss >> std_a;
//so, now eof is set
CPPUNIT_ASSERT(iss.eof());
//a failed read doesn't change the data, it remains unchanged
CPPUNIT_ASSERT(std_a == 78);
//nothing wrong with the stream, so not bad
CPPUNIT_ASSERT(!iss.bad());
//yet, the read didn't succeed
CPPUNIT_ASSERT(!iss.good());
CPPUNIT_ASSERT(iss.rdstate() == (std::ios::failbit|std::ios::eofbit));
tools_a = 78;
aMemStream >> tools_a;
//so, now eof is set
CPPUNIT_ASSERT(aMemStream.eof());
//a failed read doesn't change the data, it remains unchanged
CPPUNIT_ASSERT(tools_a == 78);
//nothing wrong with the stream, so not bad
CPPUNIT_ASSERT(!aMemStream.GetError());
//yet, the read didn't succeed
CPPUNIT_ASSERT(!aMemStream.good());
//set things up so that there is only one byte available on an attempt
//to read a two-byte sal_uInt16. The byte should be consumed, but the
//operation should fail, and tools_b should remain unchanged,
sal_uInt16 tools_b = 0x1122;
aMemStream.SeekRel(-1);
CPPUNIT_ASSERT(!aMemStream.eof());
CPPUNIT_ASSERT(aMemStream.good());
aMemStream >> tools_b;
CPPUNIT_ASSERT(!aMemStream.good());
CPPUNIT_ASSERT(aMemStream.eof());
CPPUNIT_ASSERT(tools_b == 0x1122);
iss.clear();
iss.seekg(0);
CPPUNIT_ASSERT(iss.good());
iss >> std_a;
CPPUNIT_ASSERT(std_a == 'f');
aMemStream.Seek(0);
CPPUNIT_ASSERT(aMemStream.good());
aMemStream >> tools_a;
CPPUNIT_ASSERT(tools_a == 'f');
//failbit is rather subtle wrt e.g seeks
}
CPPUNIT_TEST_SUITE_REGISTRATION(Test);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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