xref: /aoo42x/main/framework/test/threadtest.cxx (revision 6d739b60)

/**************************************************************
 *
 * 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.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_framework.hxx"

//_________________________________________________________________________________________________________________
//	my own includes
//_________________________________________________________________________________________________________________
#include <macros/generic.hxx>
#include <macros/debug.hxx>
#include <threadhelp/resetableguard.hxx>
#include <threadhelp/transactionguard.hxx>

#ifndef __FRAMEWORK_THREADHELP_RWLOCKBASE_HXX_
#include <threadhelp/rwlockbase.hxx>
#endif

#ifndef __FRAMEWORK_THREADHELP_TRANSACTIONBASE_HXX_
#include <threadhelp/transactionbase.hxx>
#endif
#include <threadhelp/readguard.hxx>
#include <threadhelp/writeguard.hxx>

//_________________________________________________________________________________________________________________
//	interface includes
//_________________________________________________________________________________________________________________

//_________________________________________________________________________________________________________________
//	other includes
//_________________________________________________________________________________________________________________
#include <rtl/random.h>
#include <vos/process.hxx>
#include <vos/thread.hxx>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>
#include <osl/time.h>

#ifndef _OSL_INTERLOCK_H_
#include <osl/interlock.h>
#endif

#include <vcl/event.hxx>
#include <vcl/svapp.hxx>
#include <vcl/wrkwin.hxx>
#include <vcl/msgbox.hxx>
#include <stdio.h>

//_________________________________________________________________________________________________________________
//	const
//_________________________________________________________________________________________________________________

#define	LOGFILE				"threadtest.log"
#define	STATISTICS_FILE		"threadtest_statistic.csv"

//_________________________________________________________________________________________________________________
//	namespace
//_________________________________________________________________________________________________________________

using namespace ::rtl		;
using namespace ::osl		;
using namespace ::vos		;
using namespace ::framework	;

//_________________________________________________________________________________________________________________
//	defines
//_________________________________________________________________________________________________________________

/*---------------- Use follow defines to enable/disable some special features of this little test program! -------*/

#define ENABLE_LOG
//#define ENABLE_THREADDELAY
#define ENABLE_REQUESTCOUNT

/*----------------------------------------------------------------------------------------------------------------*/

#ifdef ENABLE_LOG
	#define	LOG_SETA_START( NA, NID )											\
		{																		\
			sal_uInt32 nTimeStamp = osl_getGlobalTimer();						\
			ResetableGuard aLogGuard( m_aLogMutex );							\
			OStringBuffer sLog(256);											\
			sLog.append( (sal_Int32)nTimeStamp	);								\
			sLog.append( ": Thread[ "			);								\
			sLog.append( NID					);								\
			sLog.append( " ] call setA( "		);								\
			sLog.append( NA						);								\
			sLog.append( " )\n"					);								\
			WRITE_LOGFILE( LOGFILE, sLog.makeStringAndClear() )					\
		}

	#define	LOG_SETA_END( NA, EREASON, NID )									\
		{																		\
			sal_uInt32 nTimeStamp = osl_getGlobalTimer();						\
			ResetableGuard aLogGuard( m_aLogMutex );							\
			OStringBuffer sLog(256);											\
			sLog.append( (sal_Int32)nTimeStamp	);								\
			sLog.append( ": Thread[ "			);								\
			sLog.append( NID					);								\
			if( EREASON == E_NOREASON )											\
				sLog.append( " ] finish setA( "			);						\
			else																\
				sLog.append( " ] was refused at setA( ");						\
			sLog.append( NA		);												\
			sLog.append( " )\n"	);												\
			WRITE_LOGFILE( LOGFILE, sLog.makeStringAndClear() )					\
		}

	#define	LOG_GETA_START( NID )												\
		{																		\
			sal_uInt32 nTimeStamp = osl_getGlobalTimer();						\
			ResetableGuard aLogGuard( m_aLogMutex );							\
			OStringBuffer sLog(256);											\
			sLog.append( (sal_Int32)nTimeStamp	);								\
			sLog.append( ": Thread[ "			);								\
			sLog.append( NID					);								\
			sLog.append( " ] call getA()\n"		);								\
			WRITE_LOGFILE( LOGFILE, sLog.makeStringAndClear() )					\
		}

	#define	LOG_GETA_END( NRETURN, EREASON, NID )								\
		{																		\
			sal_uInt32 nTimeStamp = osl_getGlobalTimer();						\
			ResetableGuard aLogGuard( m_aLogMutex );							\
			OStringBuffer sLog(256);											\
			sLog.append( (sal_Int32)nTimeStamp	);								\
			sLog.append( ": Thread[ "			);								\
			sLog.append( NID					);								\
			if( EREASON == E_NOREASON )											\
				sLog.append( " ] finish getA() with "			);				\
			else																\
				sLog.append( " ] was refused at getA() with "	);				\
			sLog.append( NRETURN	);											\
			sLog.append( "\n"		);											\
			WRITE_LOGFILE( LOGFILE, sLog.makeStringAndClear() )					\
		}

	#define	LOG_WORKA_START( NA, NID )											\
		{																		\
			sal_uInt32 nTimeStamp = osl_getGlobalTimer();						\
			ResetableGuard aLogGuard( m_aLogMutex );							\
			OStringBuffer sLog(256);											\
			sLog.append( (sal_Int32)nTimeStamp	);								\
			sLog.append( ": Thread[ "			);								\
			sLog.append( NID					);								\
			sLog.append( " ] call workA( "		);								\
			sLog.append( NA						);								\
			sLog.append( " )\n"					);								\
			WRITE_LOGFILE( LOGFILE, sLog.makeStringAndClear() )					\
		}

	#define	LOG_WORKA_END( NRETURN, EREASON, NID )								\
		{																		\
			sal_uInt32 nTimeStamp = osl_getGlobalTimer();						\
			ResetableGuard aLogGuard( m_aLogMutex );							\
			OStringBuffer sLog(256);											\
			sLog.append( (sal_Int32)nTimeStamp	);								\
			sLog.append( ": Thread[ "			);								\
			sLog.append( NID					);								\
			if( EREASON == E_NOREASON )											\
				sLog.append( " ] finish workA() with "			);				\
			else																\
				sLog.append( " ] was refused at workA() with "	);				\
			sLog.append( NRETURN	);											\
			sLog.append( "\n"		);											\
			WRITE_LOGFILE( LOGFILE, sLog.makeStringAndClear() )					\
		}

	#define	LOG_INITEXCEPTION( SMETHOD, NID )									\
		{																		\
			sal_uInt32 nTimeStamp = osl_getGlobalTimer();						\
			ResetableGuard aLogGuard( m_aLogMutex );							\
			OStringBuffer sLog(256);											\
			sLog.append( (sal_Int32)nTimeStamp				);					\
			sLog.append( ": Thread[ "						);					\
			sLog.append( NID								);					\
			sLog.append( " ] get EInitException from \""	);					\
			sLog.append( SMETHOD							);					\
			sLog.append( "\"\n"								);					\
			WRITE_LOGFILE( LOGFILE, sLog.makeStringAndClear() )					\
		}

	#define	LOG_CLOSEEXCEPTION( SMETHOD, NID )									\
		{																		\
			sal_uInt32 nTimeStamp = osl_getGlobalTimer();						\
			ResetableGuard aLogGuard( m_aLogMutex );							\
			OStringBuffer sLog(256);											\
			sLog.append( (sal_Int32)nTimeStamp				);					\
			sLog.append( ": Thread[ "						);					\
			sLog.append( NID								);					\
			sLog.append( " ] get ECloseException from \""	);					\
			sLog.append( SMETHOD							);					\
			sLog.append( "\"\n"								);					\
			WRITE_LOGFILE( LOGFILE, sLog.makeStringAndClear() )					\
		}

	#define	LOG_INIT( NA, NID )													\
		{																		\
			sal_uInt32 nTimeStamp = osl_getGlobalTimer();						\
			ResetableGuard aLogGuard( m_aLogMutex );							\
			OStringBuffer sLog(256);											\
			sLog.append( (sal_Int32)nTimeStamp		);							\
			sLog.append( ": Thread[ "				);							\
			sLog.append( NID						);							\
			sLog.append( " ] initialize me with "	);							\
			sLog.append( NA							);							\
			sLog.append( "\n"						);							\
			WRITE_LOGFILE( LOGFILE, sLog.makeStringAndClear() )					\
		}

	#define	LOG_CLOSE( NID )													\
		{																		\
			sal_uInt32 nTimeStamp = osl_getGlobalTimer();						\
			ResetableGuard aLogGuard( m_aLogMutex );							\
			OStringBuffer sLog(256);											\
			sLog.append( (sal_Int32)nTimeStamp	);								\
			sLog.append( ": Thread[ "			);								\
			sLog.append( NID					);								\
			sLog.append( " ] close me\n"		);								\
			WRITE_LOGFILE( LOGFILE, sLog.makeStringAndClear() )					\
		}
#else
	#define	LOG_SETA_START( NA, NID )
	#define	LOG_SETA_END( NA, EREASON, NID )
	#define	LOG_GETA_START( NID )
	#define	LOG_GETA_END( NRETURN, EREASON, NID )
	#define	LOG_WORKA_START( NA, NID )
	#define	LOG_WORKA_END( NRETURN, EREASON, NID )
	#define	LOG_INITEXCEPTION( SMETHOD, NID )
	#define	LOG_CLOSEEXCEPTION( SMETHOD, NID )
	#define	LOG_INIT( NA, NID )
	#define	LOG_CLOSE( NID )
#endif

//_________________________________________________________________________________________________________________
//	declarations
//_________________________________________________________________________________________________________________

sal_uInt16 getRandomValue()
{
	// Get new random value for thread-sleep!
	// See run() for further informations.
	// Always calculate a new random number.
	sal_uInt16		nValue;
	rtlRandomPool	aPool = rtl_random_createPool();
	rtl_random_getBytes		( aPool, &nValue, 2	);
	rtl_random_destroyPool	( aPool				);
	return nValue;
}

/*-************************************************************************************************************//**
	@descr			This class is used from different threads at the same time.
					We start working after calling init() first(!) ...
					and finish it by calling close(). It exist two methods for reading/writing an
					internal variable "A". Another function workA() do both things at the same time.
					All public methods log information in a file if DO_LOG is defined.

	@attention		Our public base class FaiRWLockBase is a struct with a RWLock as member.
					This member can be used by guards to safe access at internal variables
					in interface methods.
                    Another baseclass is the TransactionBase. They support rejection of wrong calls at wrong time.
                    e.g. calls after closing object!
*//*-*************************************************************************************************************/

class ThreadSafeClass : private TransactionBase
                      , private FairRWLockBase
{
	public:

		ThreadSafeClass	();
		~ThreadSafeClass();

		// This methods are used from differnt threads
		// to test this class.
		void		init	(	sal_Int32	nA			,
								sal_Int32	nThreadID	);
		void		close	(	sal_Int32	nThreadID	);
		void		setA	(	sal_Int32	nA			,
								sal_Int32	nThreadID	);
		sal_Int32	getA	(	sal_Int32	nThreadID	);
		sal_Int32	workA	(	sal_Int32	nA			,
								sal_Int32	nThreadID	);

		#ifdef ENABLE_REQUESTCOUNT
		// This methods are used for statistics only!
		sal_Int32 getReadCount () { return m_nReadCount;	}
		sal_Int32 getWriteCount() { return m_nWriteCount;	}
		#endif

	private:

		sal_Int32				m_nA			;	/// test member fro reading/writing

		#ifdef ENABLE_LOG
		::osl::Mutex			m_aLogMutex		;	/// mutex to serialize writing log file!
		#endif

		#ifdef ENABLE_REQUESTCOUNT
		oslInterlockedCount		m_nReadCount	;	/// statistic variables to count read/write requests
		oslInterlockedCount		m_nWriteCount	;
		#endif
};

//_________________________________________________________________________________________________________________
ThreadSafeClass::ThreadSafeClass()
    :   TransactionBase (   )
    ,   FairRWLockBase  (   )
	,	m_nA			( 0 )
	#ifdef ENABLE_REQUESTCOUNT
	,	m_nReadCount	( 0	)
	,	m_nWriteCount	( 0	)
	#endif
{
}

//_________________________________________________________________________________________________________________
ThreadSafeClass::~ThreadSafeClass()
{
}

//_________________________________________________________________________________________________________________
void ThreadSafeClass::init( sal_Int32 nA, sal_Int32 nThreadID )
{
    // Set write lock for setting internal member AND
    // protect changing of working mode!
    WriteGuard aWriteLock( m_aLock );

    LOG_INIT( nA, nThreadID )

    // Look for multiple calls of this method first!
    // Use E_SOFTEXCEPTIONS to disable automaticly throwing of exceptions for some working modes.
    ERejectReason       eReason;
    TransactionGuard    aTransaction( m_aTransactionManager, E_NOEXCEPTIONS, eReason );
    if( eReason == E_UNINITIALIZED )
    {
        // OK, it must be the first call and we are synchronized with all other threads by using the write lock!
        // Otherwise (e.g. if working mode == E_WORK) we get a exception and follow lines are never called.

        // We can set our member and change the working mode now.
        m_nA = nA;
        m_aTransactionManager.setWorkingMode( E_WORK );
    }
}

//_________________________________________________________________________________________________________________
void ThreadSafeClass::close( sal_Int32 nThreadID )
{
    // Make it threadsafe.
    // It must be an exclusiv access! => WriteLock!
    WriteGuard aWriteLock( m_aLock );

    LOG_CLOSE( nThreadID )

    // We must look for multiple calls of this method.
    // Try to register this method as a transaction.
    // In combination with E_HARDEXCEPTIONS only working mode E_WORK pass this barrier.
    ERejectReason       eReason;
    TransactionGuard    aTransaction( m_aTransactionManager, E_NOEXCEPTIONS, eReason );
    if( eReason == E_NOREASON )
    {
        // Change working mode to BEFORECLOSE to enable rejection of normal interface calls
        // and enable SOFTEXCEPTION mode for some impl- or helper methods!
        // Attention: We must stop successful registered transaction first ...
        // because setWorkingMode() blocks and wait for all current existing ones!
        aTransaction.stop();
        m_aTransactionManager.setWorkingMode( E_BEFORECLOSE );

        // Now we are alone ...
        // All further calls to this object are rejected ...
        // (not all ... some special ones can work by using E_SOFTEXCEPTIONS!)

        // Deinitialize all member and set working mode to E_CLOSE.
        m_nA = 0;
        m_aTransactionManager.setWorkingMode( E_CLOSE );
    }
}

//_________________________________________________________________________________________________________________
void ThreadSafeClass::setA( sal_Int32 nA, sal_Int32 nThreadID	)
{
    // Make it threadsafe.
    WriteGuard aWriteLock( m_aLock );

    LOG_SETA_START( nA, nThreadID )

    // Register this method as a transaction to prevent code against wrong calls
    // after close() or before init()!
    ERejectReason       eReason;
    TransactionGuard    aTransaction( m_aTransactionManager, E_NOEXCEPTIONS, eReason );
    if( eReason == E_NOREASON )
    {
        // This object is ready for working and we have full write access.
        // We can work with our member.
        m_nA = nA;
        #ifdef ENABLE_REQUESTCOUNT
        osl_incrementInterlockedCount( &m_nWriteCount );
        #endif
    }
    LOG_SETA_END( nA, eReason, nThreadID )
}

//_________________________________________________________________________________________________________________
sal_Int32 ThreadSafeClass::getA( sal_Int32 nThreadID )
{
    // Make it threadsafe.
    ReadGuard aReadLock( m_aLock );

	LOG_GETA_START( nThreadID )

    // Register this method as a transaction to prevent code against wrong calls
    // after close() or before init()!
    sal_Int32           nReturn = 0;
    ERejectReason       eReason;
    TransactionGuard    aTransaction( m_aTransactionManager, E_NOEXCEPTIONS, eReason );
    if( eReason == E_NOREASON )
    {
        // This object is ready for working and we have a read access.
        // We can work with our member.
        nReturn = m_nA;
        #ifdef ENABLE_REQUESTCOUNT
        osl_incrementInterlockedCount( &m_nReadCount );
        #endif
    }

    LOG_GETA_END( nReturn, eReason, nThreadID )
    return nReturn;
}

//_________________________________________________________________________________________________________________
sal_Int32 ThreadSafeClass::workA(	sal_Int32	nA			,
									sal_Int32	nThreadID	)
{
	// This method test the downgrade-mechanism of used lock implementation!
    // Make it threadsafe.
    WriteGuard aWriteLock( m_aLock );

    LOG_WORKA_START( nA, nThreadID )

    // Register this method as a transaction to prevent code against wrong calls
    // after close() or before init()!
    sal_Int32           nReturn = 0;
    ERejectReason       eReason;
    TransactionGuard    aTransaction( m_aTransactionManager, E_NOEXCEPTIONS, eReason );
    if( eReason == E_NOREASON )
    {
        // We have write access to our member.
        // Set new value.
        m_nA = nA;
        #ifdef ENABLE_REQUESTCOUNT
        osl_incrementInterlockedCount( &m_nWriteCount );
        #endif

        // Downgrade write access to read access and read the set value again.
        // This call can't be rejected - but it can fail!
        aWriteLock.downgrade();
        nReturn = m_nA;
        #ifdef ENABLE_REQUESTCOUNT
        osl_incrementInterlockedCount( &m_nReadCount );
        #endif
    }

    LOG_WORKA_END( nReturn, eReason, nThreadID )
    return nReturn;
}

/*-****************************************************************************************************//**
	@descr	Every thread instance of these class lopp from 0 up to "nLoops".
			He sleep for a random time and work with given test class "pClass" then.
			We use random values for waiting for better results!
			Otherwise all threads are sychron after first 2,3...5 calls - I think!
*//*-*****************************************************************************************************/

class TestThread : public OThread
{
	public:

		TestThread(	ThreadSafeClass*	pClass						,
					sal_Int32			nLoops						,
					Condition*			pListener					,
					sal_Bool			bOwner		=	sal_False	);

	private:

   		virtual void SAL_CALL	run				();
   		virtual void SAL_CALL	onTerminated	();

	private:

		ThreadSafeClass*	m_pClass		;
		sal_Int32			m_nLoops		;
		sal_Int32			m_nThreadID		;
		Condition*			m_pListener		;
		sal_Bool			m_bOwner		;
};

//_________________________________________________________________________________________________________________
TestThread::TestThread(	ThreadSafeClass*	pClass		,
						sal_Int32			nLoops		,
						Condition*			pListener	,
						sal_Bool			bOwner		)
	:	m_pClass	( pClass	)
	,	m_nLoops	( nLoops	)
	,	m_pListener	( pListener	)
	,	m_bOwner	( bOwner	)
{
}

//_________________________________________________________________________________________________________________
void SAL_CALL TestThread::run()
{
	// Get ID of this thread.
	// Is used for logging information ...
	m_nThreadID = getCurrentIdentifier();

	// If we are the owner of given pClass
	// we must initialize ... and close
	// it. See at the end of this method too.
	if( m_bOwner == sal_True )
	{
		m_pClass->init( 0, m_nThreadID );
	}

	#ifdef ENABLE_THREADDELAY
	TimeValue	nDelay	;
	#endif

	sal_Int32	nA		;

	for( sal_Int32 nCount=0; nCount<m_nLoops; ++nCount )
	{
		// Work with class.
		// Use random to select called method.
		nA = (sal_Int32)getRandomValue();
        if( nA % 5 == 0 )
		{
			nA = m_pClass->workA( nA, m_nThreadID );
		}
        else
        if( nA % 3 == 0 )
		{
			m_pClass->setA( nA, m_nThreadID );
		}
		else
		{
			nA = m_pClass->getA( m_nThreadID );
		}
		#ifdef ENABLE_THREADDELAY
		// Sleep - use random value to do that too!
		nDelay.Seconds = 0;
		nDelay.Nanosec = getRandomValue();
		sleep( nDelay );
		#endif
	}

	// Don't forget to "close" teset object if you are the owner!
	if( m_bOwner == sal_True )
	{
		m_pClass->close( m_nThreadID );
	}
}

//_________________________________________________________________________________________________________________
void SAL_CALL TestThread::onTerminated()
{
	// Destroy yourself if you finished.
	// But don't forget to call listener before.
	m_pListener->set();

	m_pClass	= NULL;
	m_pListener	= NULL;

	delete this;
}

/*-****************************************************************************************************//**
	@descr	This is our test application.
			We create one ThreadSafeClass object and a lot of threads
			which use it at different times.
*//*-*****************************************************************************************************/

struct ThreadInfo
{
	Condition*	pCondition	;
	TestThread*	pThread		;
};

class TestApplication : public Application
{
	public:
		void		Main		(								);
		sal_Int32	measureTime	(	sal_Int32	nThreadCount	,
									sal_Int32	nOwner			,
									sal_Int32	nLoops=0		);
};

//_________________________________________________________________________________________________________________
//	definition
//_________________________________________________________________________________________________________________

TestApplication aApplication;

//_________________________________________________________________________________________________________________
// This function start "nThreadCount" threads to use same test class.
// You can specify the owner thread of this test class which start/stop it by using "nOwner". [1..nThreadcount]!
// If you specify "nLoops" different from 0 we use it as loop count for every started thread.
// Otherwise we work with random values.
sal_Int32 TestApplication::measureTime(	sal_Int32	nThreadCount	,
	  	 								sal_Int32	nOwner			,
	  									sal_Int32	nLoops			)
{
	// This is the class which should be tested.
	ThreadSafeClass aClass;

	// Create list of threads.
	ThreadInfo* pThreads	=	new ThreadInfo[nThreadCount];
	sal_Int32	nLoopCount	=	nLoops						;
	sal_Bool	bOwner		=	sal_False					;
	for( sal_Int32 nI=1; nI<=nThreadCount; ++nI )
	{
		// If nLoops==0 => we must use random value; otherwise we must use given count ...
		if( nLoops == 0 )
		{
			nLoopCount = getRandomValue();
		}
		// Search owner of class.
		bOwner = sal_False;
		if( nOwner == nI )
		{
			bOwner = sal_True;
		}
		// initialize condition.
		pThreads[nI].pCondition = new Condition;
		// Initialize thread.
		pThreads[nI].pThread = new TestThread( &aClass, nLoopCount, pThreads[nI].pCondition, bOwner );
	}

	// Start clock to get information about used time.
	sal_uInt32	nStartTime	;
	sal_uInt32	nEndTime	;

	nStartTime = osl_getGlobalTimer();

	// Start threads ...
	for( nI=1; nI<=nThreadCount; ++nI )
	{
		pThreads[nI].pThread->create();
	}

	// Wait for threads ...
	for( nI=1; nI<=nThreadCount; ++nI )
	{
		pThreads[nI].pCondition->wait();
		delete pThreads[nI].pCondition;
		pThreads[nI].pCondition = NULL;
	}

	delete[] pThreads;
	pThreads = NULL;

	nEndTime = osl_getGlobalTimer();

	// Calc used time and return it. [ms]
	return( nEndTime-nStartTime );
}

//_________________________________________________________________________________________________________________
void TestApplication::Main()
{
	sal_Int32 nTestCount	= 0;	/// count of calling "measureTime()"
	sal_Int32 nThreadCount	= 0;	/// count of used threads by "measure..."
	sal_Int32 nLoops		= 0;	/// loop count for every thread
	sal_Int32 nOwner		= 0;	/// number of owner thread

	// Parse command line.
	// Attention: All parameter are required and must exist!
	// syntax: "threadtest.exe <testcount> <threadcount> <loops> <owner>"
	OStartupInfo	aInfo		;
	OUString		sArgument	;
	sal_Int32		nArgument	;
	sal_Int32		nCount		= aInfo.getCommandArgCount();

	LOG_ASSERT2( nCount!=4 ,"TestApplication::Main()" , "Wrong argument line detected!")

	for( nArgument=0; nArgument<nCount; ++nArgument )
	{
		aInfo.getCommandArg( nArgument, sArgument );
		if( nArgument== 0 )	nTestCount	=sArgument.toInt32();
		if( nArgument== 1 )	nThreadCount=sArgument.toInt32();
		if( nArgument== 2 )	nLoops		=sArgument.toInt32();
		if( nArgument== 3 )	nOwner		=sArgument.toInt32();
	}

	// Start test.
	OStringBuffer	sBuf(256);
	sal_Int32		nTime=0;
	sBuf.append( "Nr.\tTime\tThreadCount\tLoops\tOwner\n" );
	for( sal_Int32 nI=1; nI<=nTestCount; ++nI )
	{
		nTime = measureTime( nThreadCount, nOwner, nLoops );
		sBuf.append( nI				);
		sBuf.append( "\t"			);
		sBuf.append( nTime			);
		sBuf.append( "\t"			);
		sBuf.append( nThreadCount	);
		sBuf.append( "\t"			);
		sBuf.append( nLoops			);
		sBuf.append( "\t"			);
		sBuf.append( nOwner 		);
		sBuf.append( "\n"			);
	}

	WRITE_LOGFILE( STATISTICS_FILE, sBuf.makeStringAndClear() );
	LOG_ERROR( "TApplication::Main()", "Test finish successful!" )
}