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/* ****************************************************************************
* eID Middleware Project.
* Copyright (C) 2008-2009 FedICT.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version
* 3.0 as published by the Free Software Foundation.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, see
* http://www.gnu.org/licenses/.
**************************************************************************** */
#include "UnitTest++/src/UnitTest++.h"
#include "../common/Thread.h"
#include "../common/Mutex.h"
#include <sys/timeb.h>
#include <iostream>
#ifndef WIN32
#include "errno.h"
#endif
using namespace eIDMW;
bool bInCS = false;
bool bCsBroken = false;
CMutex mutex;
class TestMThread: public CThread
{
public:
TestMThread(int delayMillis)
{
m_iDelayMillis = delayMillis;
}
void Run()
{
mutex.Lock() ; // start Critical Section (SC)
if (bInCS)
bCsBroken = true;
bInCS = true;
SleepMillisecs(m_iDelayMillis);
bInCS = false;
mutex.Unlock(); // end CS
}
private:
int m_iDelayMillis;
};
TEST(Mutex)
{
int errors = 0;
bInCS = false;
bCsBroken = false;
// delays in milliseconds
int delay1 = 150;
int delay2 = 100;
int delay3 = 150;
int delay4 = 250;
int delay5 = 500;
int delay6 = 100;
TestMThread tt1(delay1);
TestMThread tt2(delay2);
TestMThread tt3(delay3);
TestMThread tt4(delay4);
TestMThread tt5(delay5);
TestMThread tt6(delay6);
// use ftime() instead of time() because it has a granularity of millisecs,
// while time() only measures seconds.
timeb pTime1;
ftime(&pTime1);
tt1.Start();
tt2.Start();
tt3.Start();
tt4.Start();
tt5.Start();
tt6.Start();
while (tt1.IsRunning() || tt2.IsRunning() || tt3.IsRunning() || tt4.IsRunning() || tt5.IsRunning() || tt6.IsRunning());
timeb pTime2;
ftime(&pTime2);
// Check if that no multiple threads were simultaniously in the critical section
CHECK_EQUAL(false, bCsBroken);
// difference in seconds with granularity of milliseconds
int diff = (int) ((pTime2.time - pTime1.time) * 1000 + pTime2.millitm - pTime1.millitm);
// If that the time to run all the threads is at leat the sum of the thread times
//printf("diff = %d, delay = %d\n", diff, (delay1+delay2+delay3));
CHECK_EQUAL(true, diff >= delay1+delay2+delay3+delay4+delay5+delay6);
}
TEST(Mutex2)
{
int errors = 0;
bInCS = false;
bCsBroken = false;
// delays in milliseconds
int delay1 = 1;
int delay2 = 2;
int delay3 = 1;
int delay4 = 1;
int delay5 = 3;
int delay6 = 1;
TestMThread tt1(delay1);
TestMThread tt2(delay2);
TestMThread tt3(delay3);
TestMThread tt4(delay4);
TestMThread tt5(delay5);
TestMThread tt6(delay6);
// use ftime() instead of time() because it has a granularity of millisecs,
// while time() only measures seconds.
timeb pTime1;
ftime(&pTime1);
tt1.Start();
tt2.Start();
tt3.Start();
tt4.Start();
tt5.Start();
tt6.Start();
while (tt1.IsRunning() || tt2.IsRunning() || tt3.IsRunning() || tt4.IsRunning() || tt5.IsRunning() || tt6.IsRunning());
timeb pTime2;
ftime(&pTime2);
// Check if that no multiple threads were simultaniously in the critical section
CHECK_EQUAL(false, bCsBroken);
// difference in seconds with granularity of milliseconds
int diff = (int) ((pTime2.time - pTime1.time) * 1000 + pTime2.millitm - pTime1.millitm);
// If that the time to run all the threads is at leat the sum of the thread times
//printf("diff = %d, delay = %d\n", diff, (delay1+delay2+delay3));
CHECK_EQUAL(true, diff >= delay1+delay2+delay3+delay4+delay5+delay6);
}
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