/*
* Copyright 2000-2006 JetBrains s.r.o.
*
* Licensed 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 jetbrains.communicator.util;
import junit.framework.TestCase;
/**
* @author Kir
*/
public class TimeoutCachedValueTest extends TestCase {
public void testNoCache() throws Exception {
final int[] counter = new int[1];
final TimeoutCachedValue<Integer> cachedValue = new TimeoutCachedValue<Integer>(0) {
@Override
protected Integer calculate() {
return counter[0] ++;
}
};
assertEquals(0, cachedValue.getValue().intValue());
Thread.sleep(10);
assertEquals(1, cachedValue.getValue().intValue());
}
public void testTimeout() throws Exception {
final int[] counter = new int[1];
final TimeoutCachedValue<Integer> cachedValue = new TimeoutCachedValue<Integer>(50) {
@Override
protected Integer calculate() {
return counter[0] ++;
}
};
assertEquals(0, cachedValue.getValue().intValue());
assertEquals(0, cachedValue.getValue().intValue());
Thread.sleep(50);
assertEquals(1, cachedValue.getValue().intValue());
}
}