| /* |
| * 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.geode.cache.query.internal; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.NoSuchElementException; |
| import java.util.Set; |
| import java.util.TreeSet; |
| |
| import org.junit.Test; |
| |
| import org.apache.geode.cache.query.internal.types.ObjectTypeImpl; |
| |
| public class ResultsCollectionWrapperLimitJUnitTest { |
| |
| @Test |
| public void testConstructorBehaviour() { |
| // Create a Collection of unordered data elements |
| HashSet unordered = new HashSet(); |
| for (int i = 1; i < 11; ++i) { |
| unordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), unordered, 15); |
| assertEquals(10, wrapper.size()); |
| assertFalse(wrapper.iterator() instanceof ResultsCollectionWrapper.LimitIterator); |
| try { |
| wrapper.add(new Integer(7)); |
| } catch (UnsupportedOperationException uoe) { |
| // Ok |
| } |
| wrapper = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), unordered, 5); |
| assertEquals(5, wrapper.size()); |
| assertFalse(wrapper.iterator() instanceof ResultsCollectionWrapper.LimitIterator); |
| try { |
| wrapper.add(new Integer(7)); |
| } catch (UnsupportedOperationException uoe) { |
| // Ok |
| } |
| List ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| wrapper = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 20); |
| assertEquals(10, wrapper.size()); |
| assertFalse(wrapper.iterator() instanceof ResultsCollectionWrapper.LimitIterator); |
| try { |
| wrapper.add(new Integer(7)); |
| } catch (UnsupportedOperationException uoe) { |
| // Ok |
| } |
| wrapper = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| assertEquals(5, wrapper.size()); |
| assertTrue(wrapper.iterator() instanceof ResultsCollectionWrapper.LimitIterator); |
| try { |
| wrapper.add(new Integer(7)); |
| } catch (UnsupportedOperationException uoe) { |
| // Ok |
| } |
| } |
| |
| @Test |
| public void testContains() { |
| // Create a Collection of unordered data elements |
| HashSet unordered = new HashSet(); |
| for (int i = 1; i < 11; ++i) { |
| unordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), unordered, 15); |
| assertTrue(wrapper.contains(new Integer(10))); |
| assertFalse(wrapper.contains(new Integer(11))); |
| List ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| wrapper = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 20); |
| assertTrue(wrapper.contains(new Integer(10))); |
| assertFalse(wrapper.contains(new Integer(11))); |
| wrapper = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| assertTrue(wrapper.contains(new Integer(1))); |
| } |
| |
| @Test |
| public void testContainsAll() { |
| List ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| assertFalse(wrapper.containsAll(ordered)); |
| List newList = new ArrayList(); |
| for (int i = 0; i < 5; ++i) { |
| newList.add(ordered.get(4 - i)); |
| } |
| assertTrue(wrapper.containsAll(newList)); |
| } |
| |
| @Test |
| public void testEmpty() { |
| List ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 0); |
| assertEquals(0, wrapper.size()); |
| } |
| |
| @Test |
| public void testRemove() { |
| List ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| assertFalse(wrapper.remove(new Integer(6))); |
| assertTrue(wrapper.remove(new Integer(4))); |
| assertEquals(4, wrapper.size()); |
| List newList = new ArrayList(); |
| for (int i = 1; i < 6; ++i) { |
| newList.add(new Integer(i)); |
| } |
| newList.remove(3); |
| assertTrue(wrapper.containsAll(newList)); |
| } |
| |
| @Test |
| public void testRemoveAll() { |
| List ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| assertFalse(wrapper.remove(new Integer(6))); |
| assertTrue(wrapper.remove(new Integer(4))); |
| assertEquals(4, wrapper.size()); |
| List newList = new ArrayList(); |
| for (int i = 1; i < 6; ++i) { |
| newList.add(new Integer(i)); |
| } |
| assertTrue(wrapper.removeAll(newList)); |
| assertTrue(wrapper.size() == 0); |
| ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| wrapper = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| newList = new ArrayList(); |
| for (int i = 2; i < 11; ++i) { |
| newList.add(new Integer(i)); |
| } |
| assertTrue(wrapper.removeAll(newList)); |
| assertTrue(wrapper.size() == 1); |
| Iterator itr = wrapper.iterator(); |
| assertEquals(itr.next(), new Integer(1)); |
| assertFalse(itr.hasNext()); |
| } |
| |
| @Test |
| public void testRetainAll() { |
| List ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| List newList = new ArrayList(); |
| for (int i = 1; i < 6; ++i) { |
| newList.add(new Integer(i)); |
| } |
| assertFalse(wrapper.retainAll(newList)); |
| assertEquals(5, wrapper.size()); |
| for (int i = 6; i < 11; ++i) { |
| newList.add(new Integer(i)); |
| } |
| assertFalse(wrapper.retainAll(newList)); |
| assertEquals(5, wrapper.size()); |
| for (int i = 1; i < 6; ++i) { |
| newList.remove(0); |
| } |
| assertTrue(wrapper.retainAll(newList)); |
| assertEquals(0, wrapper.size()); |
| Iterator itr = wrapper.iterator(); |
| assertFalse(itr.hasNext()); |
| } |
| |
| @Test |
| public void testToArray() { |
| List ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| Object[] toArray = wrapper.toArray(); |
| assertEquals(wrapper.size(), toArray.length); |
| Iterator itr = wrapper.iterator(); |
| for (int i = 1; i < 6; ++i) { |
| assertEquals(toArray[i - 1], itr.next()); |
| } |
| assertFalse(itr.hasNext()); |
| } |
| |
| @Test |
| public void testToArrayParameterized() { |
| List ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| Object[] toArray = new Object[5]; |
| wrapper.toArray(toArray); |
| assertEquals(wrapper.size(), toArray.length); |
| Iterator itr = wrapper.iterator(); |
| for (int i = 1; i < 6; ++i) { |
| assertEquals(toArray[i - 1], itr.next()); |
| } |
| assertFalse(itr.hasNext()); |
| } |
| |
| @Test |
| public void testAsList() { |
| List ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| List toList = wrapper.asList(); |
| List newList = new ArrayList(); |
| for (int i = 1; i < 6; ++i) { |
| newList.add(new Integer(i)); |
| } |
| assertEquals(newList.size(), toList.size()); |
| assertTrue(newList.containsAll(toList)); |
| |
| ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| wrapper = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 2); |
| toList = wrapper.asList(); |
| newList = new ArrayList(); |
| for (int i = 1; i < 3; ++i) { |
| newList.add(new Integer(i)); |
| } |
| assertEquals(newList.size(), toList.size()); |
| assertTrue(newList.containsAll(toList)); |
| } |
| |
| @Test |
| public void testAsSet() { |
| Collection ordered = new TreeSet(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| Set toSet = wrapper.asSet(); |
| Set newSet = new TreeSet(); |
| for (int i = 1; i < 6; ++i) { |
| newSet.add(new Integer(i)); |
| } |
| assertEquals(newSet.size(), toSet.size()); |
| assertTrue(newSet.containsAll(toSet)); |
| ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| wrapper = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 6); |
| toSet = wrapper.asSet(); |
| newSet = new TreeSet(); |
| for (int i = 1; i < 7; ++i) { |
| newSet.add(new Integer(i)); |
| } |
| assertEquals(newSet.size(), toSet.size()); |
| assertTrue(newSet.containsAll(toSet)); |
| } |
| |
| @Test |
| public void testOccurrences() { |
| Collection ordered = new TreeSet(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| assertEquals(0, wrapper.occurrences(new Integer(6))); |
| for (int i = 1; i < 6; ++i) { |
| assertEquals(1, wrapper.occurrences(new Integer(i))); |
| } |
| ordered = new ArrayList(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| wrapper = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| assertEquals(0, wrapper.occurrences(new Integer(6))); |
| for (int i = 1; i < 6; ++i) { |
| assertEquals(1, wrapper.occurrences(new Integer(i))); |
| } |
| } |
| |
| @Test |
| public void testLimitIterator() { |
| Collection ordered = new TreeSet(); |
| for (int i = 1; i < 11; ++i) { |
| ordered.add(new Integer(i)); |
| } |
| ResultsCollectionWrapper wrapper = |
| new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), ordered, 5); |
| Iterator itr = wrapper.iterator(); |
| assertEquals(5, wrapper.size()); |
| while (itr.hasNext()) { |
| itr.next(); |
| itr.remove(); |
| } |
| assertEquals(0, wrapper.size()); |
| assertFalse(wrapper.iterator().hasNext()); |
| try { |
| wrapper.iterator().next(); |
| fail("Should have failed as the wrapper size is 0"); |
| } catch (NoSuchElementException nsee) { |
| // Ok |
| } |
| assertTrue(wrapper.isEmpty()); |
| |
| } |
| } |