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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <log4cxx/helpers/cyclicbuffer.h>
#include "../logunit.h"
#include <log4cxx/logmanager.h>
#include <log4cxx/logger.h>
#include <log4cxx/spi/loggingevent.h>
#include <log4cxx/spi/location/locationinfo.h>
#include "../testchar.h"
using namespace log4cxx;
using namespace log4cxx::helpers;
using namespace log4cxx::spi;
#define MAX 1000
LOGUNIT_CLASS(CyclicBufferTestCase)
{
LOGUNIT_TEST_SUITE(CyclicBufferTestCase);
LOGUNIT_TEST(test0);
LOGUNIT_TEST(test1);
LOGUNIT_TEST(testResize);
LOGUNIT_TEST_SUITE_END();
LoggerPtr logger;
std::vector<LoggingEventPtr> e;
public:
void setUp()
{
e.reserve(1000);
LoggingEventPtr event;
for (int i = 0; i < MAX; i++)
{
event = new LoggingEvent(LOG4CXX_STR("x"), Level::getDebug(), LOG4CXX_STR("e"),
log4cxx::spi::LocationInfo::getLocationUnavailable());
e.push_back(event);
}
}
void tearDown()
{
LogManager::shutdown();
}
void test0()
{
int size = 2;
CyclicBuffer cb(size);
LOGUNIT_ASSERT_EQUAL(size, cb.getMaxSize());
cb.add(e[0]);
LOGUNIT_ASSERT_EQUAL(1, cb.length());
LOGUNIT_ASSERT_EQUAL(e[0], cb.get());
LOGUNIT_ASSERT_EQUAL(0, cb.length());
LOGUNIT_ASSERT(cb.get() == 0);
LOGUNIT_ASSERT_EQUAL(0, cb.length());
CyclicBuffer cb2(size);
cb2.add(e[0]);
cb2.add(e[1]);
LOGUNIT_ASSERT_EQUAL(2, cb2.length());
LOGUNIT_ASSERT_EQUAL(e[0], cb2.get());
LOGUNIT_ASSERT_EQUAL(1, cb2.length());
LOGUNIT_ASSERT_EQUAL(e[1], cb2.get());
LOGUNIT_ASSERT_EQUAL(0, cb2.length());
LOGUNIT_ASSERT(cb2.get() == 0);
LOGUNIT_ASSERT_EQUAL(0, cb2.length());
}
void test1()
{
for (int bufSize = 1; bufSize <= 128; bufSize *= 2)
doTest1(bufSize);
}
void doTest1(int size)
{
//System.out.println("Doing test with size = "+size);
CyclicBuffer cb(size);
LOGUNIT_ASSERT_EQUAL(size, cb.getMaxSize());
int i;
for (i = -(size + 10); i < (size + 10); i++)
{
LOGUNIT_ASSERT(cb.get(i) == 0);
}
for (i = 0; i < MAX; i++)
{
cb.add(e[i]);
int limit = (i < (size - 1)) ? i : (size - 1);
//System.out.println("\nLimit is " + limit + ", i="+i);
for (int j = limit; j >= 0; j--)
{
//System.out.println("i= "+i+", j="+j);
LOGUNIT_ASSERT_EQUAL(e[i - (limit - j)], cb.get(j));
}
LOGUNIT_ASSERT(cb.get(-1) == 0);
LOGUNIT_ASSERT(cb.get(limit + 1) == 0);
}
}
void testResize()
{
for (int isize = 1; isize <= 128; isize *= 2)
{
doTestResize(isize, (isize / 2) + 1, (isize / 2) + 1);
doTestResize(isize, (isize / 2) + 1, isize + 10);
doTestResize(isize, isize + 10, (isize / 2) + 1);
doTestResize(isize, isize + 10, isize + 10);
}
}
void doTestResize(int initialSize, int numberOfAdds, int newSize)
{
//System.out.println("initialSize = "+initialSize+", numberOfAdds="
// +numberOfAdds+", newSize="+newSize);
CyclicBuffer cb(initialSize);
for (int i = 0; i < numberOfAdds; i++)
{
cb.add(e[i]);
}
cb.resize(newSize);
int offset = numberOfAdds - initialSize;
if (offset < 0)
{
offset = 0;
}
int len = (newSize < numberOfAdds) ? newSize : numberOfAdds;
len = (len < initialSize) ? len : initialSize;
//System.out.println("Len = "+len+", offset="+offset);
for (int j = 0; j < len; j++)
{
LOGUNIT_ASSERT_EQUAL(e[offset + j], cb.get(j));
}
}
};
LOGUNIT_TEST_SUITE_REGISTRATION(CyclicBufferTestCase);
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