/*
* Copyright 2002-2007 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.beans.factory.support;
import java.util.Set;
import junit.framework.TestCase;
/**
* @author Rick Evans
* @author Juergen Hoeller
*/
public class ManagedSetTests extends TestCase {
public void testMergeSunnyDay() {
ManagedSet parent = new ManagedSet();
parent.add("one");
parent.add("two");
ManagedSet child = new ManagedSet();
child.add("three");
child.setMergeEnabled(true);
Set mergedSet = (Set) child.merge(parent);
assertEquals("merge() obviously did not work.", 3, mergedSet.size());
}
public void testMergeWithNullParent() {
ManagedSet child = new ManagedSet();
child.add("one");
child.setMergeEnabled(true);
assertSame(child, child.merge(null));
}
public void testMergeNotAllowedWhenMergeNotEnabled() {
ManagedSet child = new ManagedSet();
try {
child.merge(null);
fail("Must have failed by this point (cannot merge() when the mergeEnabled property is false.");
}
catch (IllegalStateException expected) {
}
}
public void testMergeWithNonCompatibleParentType() {
ManagedSet child = new ManagedSet();
child.add("one");
child.setMergeEnabled(true);
try {
child.merge("hello");
fail("Must have failed by this point.");
}
catch (IllegalArgumentException expected) {
}
}
public void testMergeEmptyChild() {
ManagedSet parent = new ManagedSet();
parent.add("one");
parent.add("two");
ManagedSet child = new ManagedSet();
child.setMergeEnabled(true);
Set mergedSet = (Set) child.merge(parent);
assertEquals("merge() obviously did not work.", 2, mergedSet.size());
}
public void testMergeChildValuesOverrideTheParents() {
// asserts that the set contract is not violated during a merge() operation...
ManagedSet parent = new ManagedSet();
parent.add("one");
parent.add("two");
ManagedSet child = new ManagedSet();
child.add("one");
child.setMergeEnabled(true);
Set mergedSet = (Set) child.merge(parent);
assertEquals("merge() obviously did not work.", 2, mergedSet.size());
}
}