/*
* Copyright 2003-2004 The Apache Software Foundation
*
* 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.apache.commons.collections.bag;
import java.util.Comparator;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.apache.commons.collections.Bag;
import org.apache.commons.collections.SortedBag;
/**
* Extension of {@link TestBag} for exercising the {@link TypedSortedBag}
* implementation.
*
* @since Commons Collections 3.0
* @version $Revision: 1.8 $ $Date: 2004/06/02 22:05:03 $
*
* @author Phil Steitz
*/
public class TestTypedSortedBag extends AbstractTestSortedBag {
public TestTypedSortedBag(String testName) {
super(testName);
}
public static Test suite() {
return new TestSuite(TestTypedSortedBag.class);
}
public static void main(String args[]) {
String[] testCaseName = { TestTypedSortedBag.class.getName()};
junit.textui.TestRunner.main(testCaseName);
}
//--------------------------------------------------------------------------
protected Class stringClass = this.getName().getClass();
private Object obj = new Object();
protected Class objectClass = obj.getClass();
protected SortedBag nullBag = null;
protected SortedBag decorateBag(SortedBag bag, Class claz) {
return TypedSortedBag.decorate(bag, claz);
}
public Bag makeBag() {
return decorateBag(new TreeBag(), objectClass);
}
protected Bag makeTestBag() {
return decorateBag(new TreeBag(), stringClass);
}
//--------------------------------------------------------------------------
public void testDecorate() {
SortedBag bag = decorateBag(new TreeBag(), stringClass);
try {
SortedBag bag3 = decorateBag(new TreeBag(), null);
fail("Expecting IllegalArgumentException for null predicate");
} catch (IllegalArgumentException e) {}
try {
SortedBag bag4 = decorateBag(nullBag, stringClass);
fail("Expecting IllegalArgumentException for null bag");
} catch (IllegalArgumentException e) {}
}
public void testSortOrder() {
SortedBag bag = decorateBag(new TreeBag(), stringClass);
String one = "one";
String two = "two";
String three = "three";
bag.add(one);
bag.add(two);
bag.add(three);
assertEquals("first element", bag.first(), one);
assertEquals("last element", bag.last(), two);
Comparator c = bag.comparator();
assertTrue("natural order, so comparator should be null", c == null);
}
protected boolean skipSerializedCanonicalTests() {
return true;
}
}