1 /*
2 * Copyright (c) 2011, 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 com.sun.javafx.event;
27
28 import javafx.event.EventDispatchChain;
29 import org.junit.Assert;
30 import org.junit.Test;
31
32 import com.sun.javafx.event.StubBasicEventDispatcher.ConsumeEvent;
33
34 public final class CompositeEventDispatcherTest {
35 @Test
36 public void eventDispatchTest() {
37 final TestCompositeEventDispatcher compositeDispatcher =
38 new TestCompositeEventDispatcher();
39
40 final EventCountingDispatcher terminalDispatcher =
41 new EventCountingDispatcher();
42 final EventDispatchChain eventDispatchChain =
43 StubEventDispatchChain.EMPTY_CHAIN
44 .append(compositeDispatcher)
45 .append(terminalDispatcher);
46
47 Assert.assertNotNull(eventDispatchChain.dispatchEvent(
48 new EmptyEvent()));
49 verifyEventCounters(compositeDispatcher, 1, 1, 1, 1, 1, 1);
50 Assert.assertEquals(1, terminalDispatcher.getCapturingEventCount());
51
52 compositeDispatcher.getFirstChildDispatcher().setConsumeNextEvent(
53 ConsumeEvent.CAPTURING);
54 Assert.assertNull(eventDispatchChain.dispatchEvent(new EmptyEvent()));
55 verifyEventCounters(compositeDispatcher, 2, 1, 1, 1, 1, 1);
56 Assert.assertEquals(1, terminalDispatcher.getCapturingEventCount());
57
58 compositeDispatcher.getSecondChildDispatcher().setConsumeNextEvent(
59 ConsumeEvent.CAPTURING);
60 Assert.assertNull(eventDispatchChain.dispatchEvent(new EmptyEvent()));
61 verifyEventCounters(compositeDispatcher, 3, 2, 1, 1, 1, 1);
62 Assert.assertEquals(1, terminalDispatcher.getCapturingEventCount());
63
64 compositeDispatcher.getThirdChildDispatcher().setConsumeNextEvent(
65 ConsumeEvent.CAPTURING);
66 Assert.assertNull(eventDispatchChain.dispatchEvent(new EmptyEvent()));
67 verifyEventCounters(compositeDispatcher, 4, 3, 2, 1, 1, 1);
68 Assert.assertEquals(1, terminalDispatcher.getCapturingEventCount());
69
70 compositeDispatcher.getThirdChildDispatcher().setConsumeNextEvent(
71 ConsumeEvent.BUBBLING);
72 Assert.assertNull(eventDispatchChain.dispatchEvent(new EmptyEvent()));
73 verifyEventCounters(compositeDispatcher, 5, 4, 3, 1, 1, 2);
74 Assert.assertEquals(2, terminalDispatcher.getCapturingEventCount());
75
76 compositeDispatcher.getSecondChildDispatcher().setConsumeNextEvent(
77 ConsumeEvent.BUBBLING);
78 Assert.assertNull(eventDispatchChain.dispatchEvent(new EmptyEvent()));
79 verifyEventCounters(compositeDispatcher, 6, 5, 4, 1, 2, 3);
80 Assert.assertEquals(3, terminalDispatcher.getCapturingEventCount());
81
82 compositeDispatcher.getFirstChildDispatcher().setConsumeNextEvent(
83 ConsumeEvent.BUBBLING);
84 Assert.assertNull(eventDispatchChain.dispatchEvent(new EmptyEvent()));
85 verifyEventCounters(compositeDispatcher, 7, 6, 5, 2, 3, 4);
86 Assert.assertEquals(4, terminalDispatcher.getCapturingEventCount());
87 }
88
89 private void verifyEventCounters(
90 final TestCompositeEventDispatcher compositeDispatcher,
91 final int expectedChild1CapturingEventCount,
92 final int expectedChild2CapturingEventCount,
93 final int expectedChild3CapturingEventCount,
94 final int expectedChild1BubblingEventCount,
95 final int expectedChild2BubblingEventCount,
96 final int expectedChild3BubblingEventCount) {
97 Assert.assertEquals(expectedChild1CapturingEventCount,
98 compositeDispatcher.getFirstChildDispatcher()
99 .getCapturingEventCount());
100 Assert.assertEquals(expectedChild2CapturingEventCount,
101 compositeDispatcher.getSecondChildDispatcher()
102 .getCapturingEventCount());
103 Assert.assertEquals(expectedChild3CapturingEventCount,
104 compositeDispatcher.getThirdChildDispatcher()
105 .getCapturingEventCount());
106 Assert.assertEquals(expectedChild1BubblingEventCount,
107 compositeDispatcher.getFirstChildDispatcher()
108 .getBubblingEventCount());
109 Assert.assertEquals(expectedChild2BubblingEventCount,
110 compositeDispatcher.getSecondChildDispatcher()
111 .getBubblingEventCount());
112 Assert.assertEquals(expectedChild3BubblingEventCount,
113 compositeDispatcher.getThirdChildDispatcher()
114 .getBubblingEventCount());
115 }
116 }