| /* |
| * 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.collections4.collection; |
| |
| import static java.util.Arrays.asList; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.apache.commons.collections4.Transformer; |
| |
| /** |
| * Extension of {@link AbstractCollectionTest} for exercising the |
| * {@link IndexedCollection} implementation. |
| * |
| * @since 4.0 |
| */ |
| @SuppressWarnings("boxing") |
| public class IndexedCollectionTest extends AbstractCollectionTest<String> { |
| |
| public IndexedCollectionTest(final String name) { |
| super(name); |
| } |
| |
| //------------------------------------------------------------------------ |
| |
| protected Collection<String> decorateCollection(final Collection<String> collection) { |
| return IndexedCollection.nonUniqueIndexedCollection(collection, new IntegerTransformer()); |
| } |
| |
| protected IndexedCollection<Integer, String> decorateUniqueCollection(final Collection<String> collection) { |
| return IndexedCollection.uniqueIndexedCollection(collection, new IntegerTransformer()); |
| } |
| |
| private static final class IntegerTransformer implements Transformer<String, Integer>, Serializable { |
| private static final long serialVersionUID = 809439581555072949L; |
| |
| @Override |
| public Integer transform(final String input) { |
| return Integer.valueOf(input); |
| } |
| } |
| |
| @Override |
| public Collection<String> makeObject() { |
| return decorateCollection(new ArrayList<String>()); |
| } |
| |
| @Override |
| public Collection<String> makeConfirmedCollection() { |
| return new ArrayList<>(); |
| } |
| |
| @Override |
| public String[] getFullElements() { |
| return new String[] { "1", "3", "5", "7", "2", "4", "6" }; |
| } |
| |
| @Override |
| public String[] getOtherElements() { |
| return new String[] {"9", "88", "678", "87", "98", "78", "99"}; |
| } |
| |
| @Override |
| public Collection<String> makeFullCollection() { |
| final List<String> list = new ArrayList<>(); |
| list.addAll(Arrays.asList(getFullElements())); |
| return decorateCollection(list); |
| } |
| |
| @Override |
| public Collection<String> makeConfirmedFullCollection() { |
| final List<String> list = new ArrayList<>(); |
| list.addAll(Arrays.asList(getFullElements())); |
| return list; |
| } |
| |
| public Collection<String> makeTestCollection() { |
| return decorateCollection(new ArrayList<String>()); |
| } |
| |
| public Collection<String> makeUniqueTestCollection() { |
| return decorateUniqueCollection(new ArrayList<String>()); |
| } |
| |
| @Override |
| protected boolean skipSerializedCanonicalTests() { |
| // FIXME: support canonical tests |
| return true; |
| } |
| |
| //------------------------------------------------------------------------ |
| |
| public void testAddedObjectsCanBeRetrievedByKey() throws Exception { |
| final Collection<String> coll = makeTestCollection(); |
| coll.add("12"); |
| coll.add("16"); |
| coll.add("1"); |
| coll.addAll(asList("2","3","4")); |
| |
| @SuppressWarnings("unchecked") |
| final IndexedCollection<Integer, String> indexed = (IndexedCollection<Integer, String>) coll; |
| assertEquals("12", indexed.get(12)); |
| assertEquals("16", indexed.get(16)); |
| assertEquals("1", indexed.get(1)); |
| assertEquals("2", indexed.get(2)); |
| assertEquals("3", indexed.get(3)); |
| assertEquals("4", indexed.get(4)); |
| } |
| |
| public void testEnsureDuplicateObjectsCauseException() throws Exception { |
| final Collection<String> coll = makeUniqueTestCollection(); |
| |
| coll.add("1"); |
| try { |
| coll.add("1"); |
| fail(); |
| } catch (final IllegalArgumentException e) { |
| // expected |
| } |
| } |
| |
| public void testDecoratedCollectionIsIndexedOnCreation() throws Exception { |
| final Collection<String> original = makeFullCollection(); |
| final IndexedCollection<Integer, String> indexed = decorateUniqueCollection(original); |
| |
| assertEquals("1", indexed.get(1)); |
| assertEquals("2", indexed.get(2)); |
| assertEquals("3", indexed.get(3)); |
| } |
| |
| public void testReindexUpdatesIndexWhenDecoratedCollectionIsModifiedSeparately() throws Exception { |
| final Collection<String> original = new ArrayList<>(); |
| final IndexedCollection<Integer, String> indexed = decorateUniqueCollection(original); |
| |
| original.add("1"); |
| original.add("2"); |
| original.add("3"); |
| |
| assertNull(indexed.get(1)); |
| assertNull(indexed.get(2)); |
| assertNull(indexed.get(3)); |
| |
| indexed.reindex(); |
| |
| assertEquals("1", indexed.get(1)); |
| assertEquals("2", indexed.get(2)); |
| assertEquals("3", indexed.get(3)); |
| } |
| } |