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Commons Collections example source code file (TestPredicatedCollection.java)
The Commons Collections TestPredicatedCollection.java source code/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.collection; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.List; import junit.framework.Test; import junit.framework.TestSuite; import org.apache.commons.collections.Predicate; import org.apache.commons.collections.PredicateUtils; /** * Extension of {@link TestCollection} for exercising the * {@link PredicatedCollection} implementation. * * @since Commons Collections 3.0 * @version $Revision: 646780 $ $Date: 2008-04-10 13:48:07 +0100 (Thu, 10 Apr 2008) $ * * @author Phil Steitz */ public class TestPredicatedCollection extends AbstractTestCollection { public TestPredicatedCollection(String name) { super(name); } public static Test suite() { return new TestSuite(TestPredicatedCollection.class); } public static void main(String args[]) { String[] testCaseName = { TestPredicatedCollection.class.getName()}; junit.textui.TestRunner.main(testCaseName); } //------------------------------------------------------------------------ protected Predicate truePredicate = PredicateUtils.truePredicate(); protected Collection decorateCollection(Collection collection, Predicate predicate) { return PredicatedCollection.decorate(collection, predicate); } public Collection makeCollection() { return decorateCollection(new ArrayList(), truePredicate); } public Collection makeConfirmedCollection() { return new ArrayList(); } public Object[] getFullElements() { return new Object[] {"1", "3", "5", "7", "2", "4", "6"}; } public Collection makeFullCollection() { List list = new ArrayList(); list.addAll(Arrays.asList(getFullElements())); return decorateCollection(list, truePredicate); } public Collection makeConfirmedFullCollection() { List list = new ArrayList(); list.addAll(Arrays.asList(getFullElements())); return list; } //----------------------------------------------------------------- protected Predicate testPredicate = new Predicate() { public boolean evaluate(Object o) { return o instanceof String; } }; public Collection makeTestCollection() { return decorateCollection(new ArrayList(), testPredicate); } public void testIllegalAdd() { Collection c = makeTestCollection(); Integer i = new Integer(3); try { c.add(i); fail("Integer should fail string predicate."); } catch (IllegalArgumentException e) { // expected } assertTrue("Collection shouldn't contain illegal element", !c.contains(i)); } public void testIllegalAddAll() { Collection c = makeTestCollection(); List elements = new ArrayList(); elements.add("one"); elements.add("two"); elements.add(new Integer(3)); elements.add("four"); try { c.addAll(elements); fail("Integer should fail string predicate."); } catch (IllegalArgumentException e) { // expected } assertTrue("Collection shouldn't contain illegal element", !c.contains("one")); assertTrue("Collection shouldn't contain illegal element", !c.contains("two")); assertTrue("Collection shouldn't contain illegal element", !c.contains(new Integer(3))); assertTrue("Collection shouldn't contain illegal element", !c.contains("four")); } public String getCompatibilityVersion() { return "3.1"; } // public void testCreate() throws Exception { // resetEmpty(); // writeExternalFormToDisk((java.io.Serializable) collection, "D:/dev/collections/data/test/PredicatedCollection.emptyCollection.version3.1.obj"); // resetFull(); // writeExternalFormToDisk((java.io.Serializable) collection, "D:/dev/collections/data/test/PredicatedCollection.fullCollection.version3.1.obj"); // } } Other Commons Collections examples (source code examples)Here is a short list of links related to this Commons Collections TestPredicatedCollection.java source code file: |
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