/*
* 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.
*/
package org.apache.jena.atlas.lib;
import static org.apache.jena.atlas.lib.Lib.sleep ;
import org.apache.jena.atlas.junit.BaseTest ;
import org.apache.jena.atlas.lib.AlarmClock ;
import org.apache.jena.atlas.lib.Callback ;
import org.apache.jena.atlas.lib.Pingback ;
import org.junit.Test ;
public class TestAlarmClock extends BaseTest
{
Callback<?> callback = new Callback<Object>() { @Override
public void proc(Object arg) {} } ;
@Test public void alarm_01()
{
AlarmClock alarmClock = new AlarmClock() ;
assertEquals(0, alarmClock.getCount()) ;
// Very long - never happens.
Pingback<?> ping = alarmClock.add(callback, 10000000) ;
assertEquals(1, alarmClock.getCount()) ;
alarmClock.cancel(ping) ;
assertEquals(0, alarmClock.getCount()) ;
}
@Test public void alarm_02()
{
AlarmClock alarmClock = new AlarmClock() ;
assertEquals(0, alarmClock.getCount()) ;
// Short - happens.
Pingback<?> ping = alarmClock.add(callback, 10) ;
sleep(100) ;
assertEquals(0, alarmClock.getCount()) ;
// try to cancel anyway.
alarmClock.cancel(ping) ;
assertEquals(0, alarmClock.getCount()) ;
}
@Test public void alarm_03()
{
AlarmClock alarmClock = new AlarmClock() ;
assertEquals(0, alarmClock.getCount()) ;
Pingback<?> ping1 = alarmClock.add(callback, 100) ;
Pingback<?> ping2 = alarmClock.add(callback, 100000) ;
assertEquals(2, alarmClock.getCount()) ;
sleep(200) ;
// ping1 went off.
assertEquals(1, alarmClock.getCount()) ;
alarmClock.cancel(ping1) ;
assertEquals(1, alarmClock.getCount()) ;
alarmClock.cancel(ping2) ;
assertEquals(0, alarmClock.getCount()) ;
}
@Test public void alarm_04()
{
AlarmClock alarmClock = new AlarmClock() ;
assertEquals(0, alarmClock.getCount()) ;
Pingback<?> ping1 = alarmClock.add(callback, 100) ;
assertEquals(1, alarmClock.getCount()) ;
alarmClock.reset(ping1, 2000) ;
assertEquals(1, alarmClock.getCount()) ;
sleep(100) ;
assertEquals(1, alarmClock.getCount()) ;
}
@Test public void alarm_05()
{
AlarmClock alarmClock = new AlarmClock() ;
assertEquals(0, alarmClock.getCount()) ;
Pingback<?> ping1 = alarmClock.add(callback, 50) ;
Pingback<?> ping2 = alarmClock.add(callback, 100) ;
assertEquals(2, alarmClock.getCount()) ;
alarmClock.reset(ping1, 2000) ;
assertEquals(2, alarmClock.getCount()) ;
sleep(200) ; // ping2 goes off.
assertEquals(1, alarmClock.getCount()) ;
}
}