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The source code/* * 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; } } |
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