/* * 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.set; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.Set; import java.util.TreeSet; import junit.framework.Test; import org.apache.commons.collections.BulkTest; /** * Extension of {@link AbstractTestSortedSet} for exercising the * {@link UnmodifiableSortedSet} 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 TestUnmodifiableSortedSet extends AbstractTestSortedSet{ public TestUnmodifiableSortedSet(String testName) { super(testName); } public static Test suite() { return BulkTest.makeSuite(TestUnmodifiableSortedSet.class); } public static void main(String args[]) { String[] testCaseName = { TestUnmodifiableSortedSet.class.getName()}; junit.textui.TestRunner.main(testCaseName); } //------------------------------------------------------------------- public Set makeEmptySet() { return UnmodifiableSortedSet.decorate(new TreeSet()); } public Set makeFullSet() { TreeSet set = new TreeSet(); set.addAll(Arrays.asList(getFullElements())); return UnmodifiableSortedSet.decorate(set); } public boolean isAddSupported() { return false; } public boolean isRemoveSupported() { return false; } //-------------------------------------------------------------------- protected UnmodifiableSortedSet set = null; protected ArrayList array = null; protected void setupSet() { set = (UnmodifiableSortedSet) makeFullSet(); array = new ArrayList(); array.add(new Integer(1)); } /** * Verify that base set and subsets are not modifiable */ public void testUnmodifiable() { setupSet(); verifyUnmodifiable(set); verifyUnmodifiable(set.headSet(new Integer(1))); verifyUnmodifiable(set.tailSet(new Integer(1))); verifyUnmodifiable(set.subSet(new Integer(1), new Integer(3))); } /** * Verifies that a set is not modifiable */ public void verifyUnmodifiable(Set set) { try { set.add("value"); fail("Expecting UnsupportedOperationException."); } catch (UnsupportedOperationException e) { // expected } try { set.addAll(new TreeSet()); fail("Expecting UnsupportedOperationException."); } catch (UnsupportedOperationException e) { // expected } try { set.clear(); fail("Expecting UnsupportedOperationException."); } catch (UnsupportedOperationException e) { // expected } try { set.remove("x"); fail("Expecting UnsupportedOperationException."); } catch (UnsupportedOperationException e) { // expected } try { set.removeAll(array); fail("Expecting UnsupportedOperationException."); } catch (UnsupportedOperationException e) { // expected } try { set.retainAll(array); fail("Expecting UnsupportedOperationException."); } catch (UnsupportedOperationException e) { // expected } } public void testComparator() { setupSet(); Comparator c = set.comparator(); assertTrue("natural order, so comparator should be null", c == null); } public String getCompatibilityVersion() { return "3.1"; } // public void testCreate() throws Exception { // resetEmpty(); // writeExternalFormToDisk((java.io.Serializable) collection, "D:/dev/collections/data/test/UnmodifiableSortedSet.emptyCollection.version3.1.obj"); // resetFull(); // writeExternalFormToDisk((java.io.Serializable) collection, "D:/dev/collections/data/test/UnmodifiableSortedSet.fullCollection.version3.1.obj"); // } }