Java tutorial
/** * (c) 2009-2014 Peter Wullinger * * $Id$ * * Use, modification and restribution of this file are covered by the * terms of the Artistic License 2.0. * * You should have received a copy of the license terms in a file named * "LICENSE" together with this software package. * * Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT * HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES. THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR * A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE * EXTENT PERMITTED BY YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO * COPYRIGHT HOLDER OR CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT * OF THE USE OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE. **/ package de.dhke.projects.cutil.collections.aspect; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.List; import java.util.Map; import java.util.Set; import org.apache.commons.collections15.MultiMap; import org.apache.commons.collections15.keyvalue.DefaultMapEntry; import org.apache.commons.collections15.multimap.MultiHashMap; import org.junit.After; import org.junit.AfterClass; import static org.junit.Assert.*; import org.junit.Before; import org.junit.BeforeClass; import org.junit.Test; /** * * @author Peter Wullinger <java@dhke.de> */ public class AspectMultiMapEntrySetTest { private MultiMap<String, String> _baseMap; private AspectMultiMap<String, String, MultiMap<String, String>> _aspectMap; private AspectCollectionHistoryListener<Map.Entry<String, String>, MultiMap<String, String>> _listener; private Set<Map.Entry<String, Collection<String>>> _entrySet; public AspectMultiMapEntrySetTest() { } @BeforeClass public static void setUpClass() throws Exception { } @AfterClass public static void tearDownClass() throws Exception { } @Before public void setUp() { _baseMap = new MultiHashMap<>(); _baseMap.put("1", "a"); _baseMap.put("1", "A"); _baseMap.put("2", "b"); _baseMap.put("2", "B"); _baseMap.put("3", "c"); _baseMap.put("3", "C"); _aspectMap = AspectMultiMap.decorate(_baseMap, this); _listener = new AspectCollectionHistoryListener<>(); _aspectMap.getListeners().add(_listener); _entrySet = _aspectMap.entrySet(); } @After public void tearDown() { _entrySet = null; _listener = null; _aspectMap = null; _baseMap = null; } /** * Test of size method, of class AspectMultiMapEntrySet. */ @Test public void testSize() { assertEquals(3, _entrySet.size()); assertNotNull(_baseMap.remove("2")); assertEquals(2, _entrySet.size()); assertNotNull(_baseMap.remove("1", "a")); assertEquals(2, _entrySet.size()); } /** * Test of isEmpty method, of class AspectMultiMapEntrySet. */ @Test public void testIsEmpty() { assertFalse(_entrySet.isEmpty()); _baseMap.clear(); assertTrue(_entrySet.isEmpty()); } /** * Test of contains method, of class AspectMultiMapEntrySet. */ @Test public void testContains() { assertTrue( _entrySet.contains(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("a", "A")))); assertTrue( _entrySet.contains(new DefaultMapEntry<String, Collection<String>>("2", Arrays.asList("b", "B")))); assertTrue( _entrySet.contains(new DefaultMapEntry<String, Collection<String>>("3", Arrays.asList("c", "C")))); assertFalse(_entrySet.contains(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("a")))); assertFalse( _entrySet.contains(new DefaultMapEntry<String, Collection<String>>("2", Arrays.asList("a", "A")))); } /** * Test of iterator method, of class AspectMultiMapEntrySet. */ @Test public void testIterator() { } /** * Test of iterator method, of class AspectMultiMapEntrySet. */ @Test public void testIterator_remove() { } /** * Test of iterator method, of class AspectMultiMapEntrySet. */ @Test public void testIterator_remove_veto() { } /** * Test of toArray method, of class AspectMultiMapEntrySet. */ @Test public void testToArray_0args() { assertArrayEquals(_baseMap.entrySet().toArray(), _entrySet.toArray()); } /** * Test of toArray method, of class AspectMultiMapEntrySet. */ @Test public void testToArray_GenericType() { assertArrayEquals(_baseMap.entrySet().toArray(new Map.Entry[0]), _entrySet.toArray(new Map.Entry[_entrySet.size()])); } /** * Test of add method, of class AspectMultiMapEntrySet. */ @Test(expected = UnsupportedOperationException.class) public void testAdd() { Collection<Map.Entry<String, Collection<String>>> addList = new ArrayList<>(); addList.add(new DefaultMapEntry<String, Collection<String>>("_", Arrays.asList("a", "A"))); addList.add(new DefaultMapEntry<String, Collection<String>>("@", Arrays.asList("b", "B"))); _entrySet.addAll(addList); } /** * Test of remove method, of class AspectMultiMapEntrySet. */ @Test public void testRemove() { assertFalse(_entrySet.remove(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("a")))); assertFalse(_entrySet.remove(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("A")))); assertTrue(_entrySet.remove(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("a", "A")))); assertFalse(_aspectMap.containsValue("1", "a")); assertFalse(_aspectMap.containsValue("1", "A")); assertEquals(2, _listener.beforeRemoveEvents.size()); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("1", "a"), _listener.beforeRemoveEvents)); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("1", "A"), _listener.beforeRemoveEvents)); assertEquals(2, _listener.afterRemoveEvents.size()); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("1", "a"), _listener.afterRemoveEvents)); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("1", "A"), _listener.afterRemoveEvents)); } /** * Test of remove method, of class AspectMultiMapEntrySet. */ @Test public void testRemove_veto() { _listener.vetoRemove = true; assertFalse(_entrySet.remove(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("a")))); assertFalse(_entrySet.remove(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("A")))); try { _entrySet.remove(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("a", "A"))); fail("Remove veto not raised"); } catch (AssertionError ex) { /* ignore */ } assertTrue(_aspectMap.containsValue("1", "a")); assertTrue(_aspectMap.containsValue("1", "A")); assertTrue(_listener.beforeRemoveEvents.isEmpty()); assertTrue(_listener.afterRemoveEvents.isEmpty()); } /** * Test of containsAll method, of class AspectMultiMapEntrySet. */ @Test public void testContainsAll() { List<Map.Entry<String, Collection<String>>> targetList = new ArrayList<>(); assertTrue(_entrySet.containsAll(targetList)); targetList.add(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("a", "A"))); assertTrue(_entrySet.containsAll(targetList)); targetList.add(new DefaultMapEntry<String, Collection<String>>("2", Arrays.asList("b", "B"))); assertTrue(_entrySet.containsAll(targetList)); targetList.add(new DefaultMapEntry<String, Collection<String>>("3", Arrays.asList("c", "C"))); assertTrue(_entrySet.containsAll(targetList)); targetList.add(new DefaultMapEntry<String, Collection<String>>("4", Arrays.asList("d", "D"))); assertFalse(_entrySet.containsAll(targetList)); targetList.remove(0); assertFalse(_entrySet.containsAll(targetList)); } /** * Test of addAll method, of class AspectMultiMapEntrySet. */ @Test(expected = UnsupportedOperationException.class) public void testAddAll() { List<Map.Entry<String, Collection<String>>> targetList = new ArrayList<>(); targetList.add(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("a", "A"))); targetList.add(new DefaultMapEntry<String, Collection<String>>("2", Arrays.asList("b", "B"))); _entrySet.addAll(targetList); } /** * Test of retainAll method, of class AspectMultiMapEntrySet. */ @Test public void testRetainAll() { List<Map.Entry<String, Collection<String>>> targetList = new ArrayList<>(); targetList.add(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("a", "A"))); targetList.add(new DefaultMapEntry<String, Collection<String>>("2", Arrays.asList("b", "B"))); targetList.add(new DefaultMapEntry<String, Collection<String>>("3", Arrays.asList("c", "C"))); targetList.add(new DefaultMapEntry<String, Collection<String>>("4", Arrays.asList("d", "D"))); assertFalse(_entrySet.retainAll(targetList)); /* remove "2" -> "b", "B" from target list */ targetList.remove(1); assertTrue(_entrySet.retainAll(targetList)); assertFalse(_aspectMap.containsValue("2", "b")); assertFalse(_aspectMap.containsValue("2", "B")); assertEquals(2, _listener.beforeRemoveEvents.size()); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("2", "b"), _listener.beforeRemoveEvents)); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("2", "B"), _listener.beforeRemoveEvents)); assertEquals(2, _listener.afterRemoveEvents.size()); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("2", "b"), _listener.afterRemoveEvents)); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("2", "B"), _listener.afterRemoveEvents)); } /** * Test of retainAll method, of class AspectMultiMapEntrySet. */ @Test public void testRetainAll_veto() { _listener.vetoRemove = true; List<Map.Entry<String, Collection<String>>> targetList = new ArrayList<>(); targetList.add(new DefaultMapEntry<String, Collection<String>>("1", Arrays.asList("a", "A"))); targetList.add(new DefaultMapEntry<String, Collection<String>>("2", Arrays.asList("b", "B"))); targetList.add(new DefaultMapEntry<String, Collection<String>>("3", Arrays.asList("c", "C"))); targetList.add(new DefaultMapEntry<String, Collection<String>>("4", Arrays.asList("d", "D"))); assertFalse(_entrySet.retainAll(targetList)); /* remove "2" -> "b", "B" from target list */ targetList.remove(1); try { _entrySet.retainAll(targetList); fail("Remove veto not raised"); } catch (AssertionError ex) { /* ignore */ } assertTrue(_aspectMap.containsValue("2", "b")); assertTrue(_aspectMap.containsValue("2", "B")); assertTrue(_listener.beforeRemoveEvents.isEmpty()); assertTrue(_listener.afterRemoveEvents.isEmpty()); } /** * Test of removeAll method, of class AspectMultiMapEntrySet. */ @Test public void testRemoveAll() { List<Map.Entry<String, Collection<String>>> targetList = new ArrayList<>(); assertFalse(_entrySet.removeAll(targetList)); targetList.add(new DefaultMapEntry<String, Collection<String>>("4", Arrays.asList("d", "D"))); assertFalse(_entrySet.removeAll(targetList)); targetList.add(new DefaultMapEntry<String, Collection<String>>("2", Arrays.asList("b", "B"))); assertTrue(_entrySet.removeAll(targetList)); assertFalse(_aspectMap.containsValue("2", "b")); assertFalse(_aspectMap.containsValue("2", "B")); assertEquals(2, _listener.beforeRemoveEvents.size()); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("2", "b"), _listener.beforeRemoveEvents)); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("2", "B"), _listener.beforeRemoveEvents)); assertEquals(2, _listener.afterRemoveEvents.size()); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("2", "b"), _listener.afterRemoveEvents)); assertTrue(TestHelper.eventListContains(new DefaultMapEntry<>("2", "B"), _listener.afterRemoveEvents)); } /** * Test of removeAll method, of class AspectMultiMapEntrySet. */ @Test public void testRemoveAll_veto() { _listener.vetoRemove = true; List<Map.Entry<String, Collection<String>>> targetList = new ArrayList<>(); assertFalse(_entrySet.removeAll(targetList)); targetList.add(new DefaultMapEntry<String, Collection<String>>("4", Arrays.asList("d", "D"))); assertFalse(_entrySet.removeAll(targetList)); targetList.add(new DefaultMapEntry<String, Collection<String>>("2", Arrays.asList("b", "B"))); try { _entrySet.removeAll(targetList); fail("Remove veto not raised"); } catch (AssertionError ex) { /* ignore */ } assertTrue(_aspectMap.containsValue("2", "b")); assertTrue(_aspectMap.containsValue("2", "B")); assertTrue(_listener.beforeRemoveEvents.isEmpty()); assertTrue(_listener.afterRemoveEvents.isEmpty()); } /** * Test of clear method, of class AspectMultiMapEntrySet. */ @Test public void testClear() { assertFalse(_entrySet.isEmpty()); _entrySet.clear(); assertTrue(_entrySet.isEmpty()); assertEquals(1, _listener.beforeClearEvents.size()); assertEquals(1, _listener.afterClearEvents.size()); /* second clear does nothing */ _entrySet.clear(); assertEquals(1, _listener.beforeClearEvents.size()); assertEquals(1, _listener.afterClearEvents.size()); } /** * Test of clear method, of class AspectMultiMapEntrySet. */ @Test public void testClear_veto() { _listener.vetoClear = true; assertFalse(_entrySet.isEmpty()); try { _entrySet.clear(); fail("Clear veto not raised"); } catch (AssertionError ex) { /* ignore */ } assertFalse(_entrySet.isEmpty()); assertFalse(_aspectMap.isEmpty()); assertTrue(_listener.beforeClearEvents.isEmpty()); assertTrue(_listener.afterClearEvents.isEmpty()); _baseMap.clear(); /* clear on empty set does nothing */ _entrySet.clear(); assertTrue(_listener.beforeClearEvents.isEmpty()); assertTrue(_listener.afterClearEvents.isEmpty()); } }