1 /* 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package test.com.sun.javafx.event; 27 28 import com.sun.javafx.event.CompositeEventHandler; 29 import com.sun.javafx.event.CompositeEventHandlerShim; 30 import test.com.sun.javafx.event.EventCountingHandler; 31 import test.com.sun.javafx.event.EmptyEvent; 32 import javafx.event.Event; 33 import javafx.event.WeakEventHandler; 34 import javafx.event.WeakEventHandlerUtil; 35 import org.junit.Assert; 36 37 import org.junit.Before; 38 import org.junit.Test; 39 40 public class CompositeEventHandlerTest { 41 private CompositeEventHandler<Event> compositeEventHandler; 42 43 @Before 44 public void setUp() { 45 compositeEventHandler = new CompositeEventHandler<Event>(); 46 } 47 48 @Test 49 public void weakEventHandlerTest() { 50 final EventCountingHandler<Event> eventCountingHandler = 51 new EventCountingHandler<Event>(); 52 final WeakEventHandler<Event> weakEventHandler = 53 new WeakEventHandler<Event>(eventCountingHandler); 54 55 compositeEventHandler.addEventHandler(weakEventHandler); 56 57 Assert.assertTrue( 58 CompositeEventHandlerShim.containsHandler(compositeEventHandler, weakEventHandler)); 59 compositeEventHandler.dispatchCapturingEvent(new EmptyEvent()); 60 Assert.assertEquals(0, eventCountingHandler.getEventCount()); 61 compositeEventHandler.dispatchBubblingEvent(new EmptyEvent()); 62 Assert.assertEquals(1, eventCountingHandler.getEventCount()); 63 64 WeakEventHandlerUtil.clear(weakEventHandler); 65 66 Assert.assertFalse( 67 CompositeEventHandlerShim.containsHandler(compositeEventHandler, weakEventHandler)); 68 compositeEventHandler.dispatchCapturingEvent(new EmptyEvent()); 69 Assert.assertEquals(1, eventCountingHandler.getEventCount()); 70 compositeEventHandler.dispatchBubblingEvent(new EmptyEvent()); 71 Assert.assertEquals(1, eventCountingHandler.getEventCount()); 72 } 73 74 @Test 75 public void weakEventFilterTest() { 76 final EventCountingHandler<Event> eventCountingFilter = 77 new EventCountingHandler<Event>(); 78 final WeakEventHandler<Event> weakEventFilter = 79 new WeakEventHandler<Event>(eventCountingFilter); 80 81 compositeEventHandler.addEventFilter(weakEventFilter); 82 83 Assert.assertTrue( 84 CompositeEventHandlerShim.containsFilter(compositeEventHandler, weakEventFilter)); 85 compositeEventHandler.dispatchCapturingEvent(new EmptyEvent()); 86 Assert.assertEquals(1, eventCountingFilter.getEventCount()); 87 compositeEventHandler.dispatchBubblingEvent(new EmptyEvent()); 88 Assert.assertEquals(1, eventCountingFilter.getEventCount()); 89 90 WeakEventHandlerUtil.clear(weakEventFilter); 91 92 Assert.assertFalse( 93 CompositeEventHandlerShim.containsFilter(compositeEventHandler, weakEventFilter)); 94 compositeEventHandler.dispatchCapturingEvent(new EmptyEvent()); 95 Assert.assertEquals(1, eventCountingFilter.getEventCount()); 96 compositeEventHandler.dispatchBubblingEvent(new EmptyEvent()); 97 Assert.assertEquals(1, eventCountingFilter.getEventCount()); 98 } 99 }