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/*
* Copyright (C) 2014 Tommi Maekitalo
*
* This program 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 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
* NON-INFRINGEMENT. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <cxxtools/unit/testsuite.h>
#include <cxxtools/unit/registertest.h>
#include <tnt/cstream.h>
class cstreamTest : public cxxtools::unit::TestSuite
{
public:
cstreamTest()
: cxxtools::unit::TestSuite("cstream")
{
registerMethod("testWrite", *this, &cstreamTest::testWrite);
registerMethod("testRollback", *this, &cstreamTest::testRollback);
}
void doTestWrite(const char* testString, unsigned size, unsigned chunksize, unsigned chunkcount)
{
tnt::ocstream s(chunksize);
s << testString;
CXXTOOLS_UNIT_ASSERT_EQUALS(testString, str(s));
CXXTOOLS_UNIT_ASSERT_EQUALS(s.chunkcount(), chunkcount);
}
void testWrite()
{
const char testString1[] = "Hi there";
const char testString2[] = "ABCDEF";
const char testString3[] = "1234567890";
doTestWrite(testString1, sizeof(testString1), 4, 2);
doTestWrite(testString2, sizeof(testString2), 5, 2);
doTestWrite(testString3, sizeof(testString3), 2, 5);
}
std::string str(const tnt::ocstream& s)
{
std::string result;
for (tnt::ocstream::size_type n = 0; n < s.chunkcount(); ++n)
result.append(s.chunk(n), s.chunksize(n));
return result;
}
void testRollback()
{
const char* testString = "Hi there";
tnt::ocstream s(5);
s << testString;
s.rollback(3);
CXXTOOLS_UNIT_ASSERT_EQUALS("Hi ", str(s));
CXXTOOLS_UNIT_ASSERT_EQUALS(s.chunkcount(), 1);
s << "there";
CXXTOOLS_UNIT_ASSERT_EQUALS("Hi there", str(s));
CXXTOOLS_UNIT_ASSERT_EQUALS(s.chunkcount(), 2);
s.rollback(0);
CXXTOOLS_UNIT_ASSERT_EQUALS("", str(s));
}
};
cxxtools::unit::RegisterTest<cstreamTest> register_cstreamTest;
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