/*
* Copyright 2002-2005 the original author or authors.
*
* 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 org.springframework.util;
import junit.framework.TestCase;
/**
* @author Keith Donald
*/
public class CachingMapDecoratorTests extends TestCase {
public void testValidCache() {
MyCachingMap cache = new MyCachingMap();
Object value;
value = cache.get("value key");
assertTrue(cache.createCalled());
assertEquals(value, "expensive value to cache");
cache.get("value key 2");
assertTrue(cache.createCalled());
value = cache.get("value key");
assertEquals(cache.createCalled(), false);
assertEquals(value, "expensive value to cache");
cache.get("value key 2");
assertEquals(cache.createCalled(), false);
assertEquals(value, "expensive value to cache");
}
private static class MyCachingMap extends CachingMapDecorator {
private boolean createCalled;
protected Object create(Object key) {
createCalled = true;
return "expensive value to cache";
}
public boolean createCalled() {
boolean c = createCalled;
this.createCalled = false;
return c;
}
}
}