// Tags: JDK1.2
// Copyright (C) 2004 Audrius Meskauskas <audriusa@bluewin.ch>
// This file is part of Mauve.
// Mauve 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, or (at your option)
// any later version.
// Mauve 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
package gnu.testlet.javax.swing.Timer;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.event.*;
import javax.swing.Timer;
/**
* THIS TEST NEEDS FIVE SECONDS TO COMPLETE!
* The basic test of the swing timer.
* @author Audrius Meskauskas (AudriusA@Bluewin.ch)
*/
public class basic
implements Testlet, ActionListener
{
/**
* The acceptable timer work accuracy in %.
*/
public static int ACCEPTABLE_ACCURACY = 20;
static int EXPECTED_DELAY = 800;
static int EXPECTED_INITIAL_DELAY = 2000;
long history[] = new long[ 200 ];
int p = 1;
long started;
Thread main;
public void test(TestHarness harness)
{
main = Thread.currentThread();
Timer t = new Timer(EXPECTED_DELAY, this);
t.setCoalesce(false);
t.setInitialDelay(EXPECTED_INITIAL_DELAY);
t.setDelay(EXPECTED_DELAY);
System.gc();
history [ 0 ] = System.currentTimeMillis();
t.start();
try
{
Thread.sleep(5000);
}
catch (InterruptedException iex)
{
}
t.stop();
double S = 0;
long d;
StringBuffer series = new StringBuffer();
for (int i = 1; i < p; i++)
{
d = Math.abs((history [ i ] - history [ i - 1 ]) -
(i == 1 ? EXPECTED_INITIAL_DELAY : EXPECTED_DELAY)
);
series.append((history [ i ] - history [ i - 1 ])+" ");
S += d;
}
S = S / (p - 1);
int percentError = (int) (100 * S / EXPECTED_DELAY);
if (percentError > ACCEPTABLE_ACCURACY)
harness.fail("Inaccurate work, series "+series+", "
+percentError+
" % deviation from 2000 800 ..");
}
public void actionPerformed(ActionEvent parm1)
{
try
{
history [ p ] = System.currentTimeMillis();
p++;
Thread.sleep( (long) Math.random()*EXPECTED_DELAY );
}
catch (ArrayIndexOutOfBoundsException ex)
{
// Should never happen during the normal work, but
// is catched here to prevent test from the possible hanging.
main.interrupt();
}
catch (InterruptedException iex)
{
main.interrupt();
}
}
}