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 javafx.scene;
27
28 import com.sun.javafx.FXUnit;
29 import com.sun.javafx.pgstub.StubToolkit;
30 import com.sun.javafx.sg.prism.NGGroup;
31 import com.sun.javafx.tk.Toolkit;
32 import javafx.scene.shape.Rectangle;
33 import javafx.stage.Stage;
34 import org.junit.Before;
35 import org.junit.Rule;
36 import org.junit.Test;
37
38 import static org.junit.Assert.*;
39
40 /**
41 * Tests to make sure the synchronization of children between a Parent and PGGroup
42 * works as expected.
43 */
44 public class Parent_structure_sync_Test {
45
46 @Rule
47 public FXUnit fx = new FXUnit();
48
49 private Rectangle r1, r2, r3, r4, r5;
50 private Parent parent;
51 private NGGroup peer;
52
53 @Before public void setup() {
54 parent = new Group();
55 r1 = new Rectangle(0, 0, 10, 10);
56 r2 = new Rectangle(0, 0, 10, 10);
57 r3 = new Rectangle(0, 0, 10, 10);
58 r4 = new Rectangle(0, 0, 10, 10);
59 r5 = new Rectangle(0, 0, 10, 10);
60 peer = parent.impl_getPeer();
61
62 Scene scene = new Scene(parent);
63 Stage stage = new Stage();
64 stage.setScene(scene);
65 stage.show();
66
67 sync();
68 }
69
70 private void sync() {
71 ((StubToolkit) Toolkit.getToolkit()).firePulse();
72 }
73
74 @Test public void emptyParentShouldHaveEmptyPGGroup() {
75 assertTrue(peer.getChildren().isEmpty());
76 }
77
78 @Test public void childAddedToEmptyParentShouldBeInPGGroup() {
79 parent.getChildren().add(r1);
80 sync();
81 assertEquals(1, peer.getChildren().size());
82 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
83 }
84
85 @Test public void childrenAddedToEmptyParentShouldAllBeInPGGroup() {
86 parent.getChildren().addAll(r1, r2, r3);
87 sync();
88 assertEquals(3, peer.getChildren().size());
89 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
90 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
91 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
92 }
93
94 @Test public void addingAChildToTheBack() {
95 parent.getChildren().addAll(r2, r3, r4);
96 sync();
97 parent.getChildren().add(0, r1);
98 sync();
99 assertEquals(4, peer.getChildren().size());
100 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
101 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
102 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
103 assertSame(r4.impl_getPeer(), peer.getChildren().get(3));
104 }
105
106 @Test public void addingAChildToTheFront() {
107 parent.getChildren().addAll(r1, r2, r3);
108 sync();
109 parent.getChildren().add(r4);
110 sync();
111 assertEquals(4, peer.getChildren().size());
112 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
113 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
114 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
115 assertSame(r4.impl_getPeer(), peer.getChildren().get(3));
116 }
117
118 @Test public void addingAChildToTheCenter() {
119 parent.getChildren().addAll(r1, r2, r4);
120 sync();
121 parent.getChildren().add(2, r3);
122 sync();
123 assertEquals(4, peer.getChildren().size());
124 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
125 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
126 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
127 assertSame(r4.impl_getPeer(), peer.getChildren().get(3));
128 }
129
130 @Test public void removingAChildFromTheFront() {
131 parent.getChildren().addAll(r1, r2, r3, r4);
132 sync();
133 parent.getChildren().remove(3);
134 sync();
135 assertEquals(3, peer.getChildren().size());
136 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
137 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
138 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
139 }
140
141 @Test public void removingAChildFromTheBack() {
142 parent.getChildren().addAll(r4, r1, r2, r3);
143 sync();
144 parent.getChildren().remove(0);
145 sync();
146 assertEquals(3, peer.getChildren().size());
147 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
148 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
149 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
150 }
151
152 @Test public void removingAChildFromTheCenter() {
153 parent.getChildren().addAll(r1, r2, r4, r3);
154 sync();
155 parent.getChildren().remove(2);
156 sync();
157 assertEquals(3, peer.getChildren().size());
158 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
159 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
160 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
161 }
162
163 @Test public void movingAChildFromTheBackToTheFront() {
164 parent.getChildren().addAll(r4, r1, r2, r3);
165 sync();
166 r4.toFront();
167 sync();
168 assertEquals(4, peer.getChildren().size());
169 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
170 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
171 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
172 assertSame(r4.impl_getPeer(), peer.getChildren().get(3));
173 }
174
175 @Test public void movingAChildFromTheBackToTheFrontAndAddingAChild() {
176 parent.getChildren().addAll(r4, r1, r2, r3);
177 sync();
178 r4.toFront();
179 parent.getChildren().add(r5);
180 sync();
181 assertEquals(5, peer.getChildren().size());
182 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
183 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
184 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
185 assertSame(r4.impl_getPeer(), peer.getChildren().get(3));
186 assertSame(r5.impl_getPeer(), peer.getChildren().get(4));
187 }
188
189 @Test public void movingAChildFromTheBackToTheFrontAndRemovingAChild() {
190 parent.getChildren().addAll(r3, r1, r4, r2);
191 sync();
192 r3.toFront();
193 parent.getChildren().remove(1);
194 sync();
195 assertEquals(3, peer.getChildren().size());
196 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
197 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
198 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
199 }
200
201 @Test public void movingAChildFromTheBackToTheFrontAndThenRemovingTheChild() {
202 parent.getChildren().addAll(r4, r1, r2, r3);
203 sync();
204 r4.toFront();
205 parent.getChildren().remove(3);
206 sync();
207 assertEquals(3, peer.getChildren().size());
208 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
209 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
210 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
211 }
212
213 @Test public void movingAChildFromTheCenterToTheFront() {
214 parent.getChildren().addAll(r1, r2, r4, r3);
215 sync();
216 r4.toFront();
217 sync();
218 assertEquals(4, peer.getChildren().size());
219 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
220 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
221 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
222 assertSame(r4.impl_getPeer(), peer.getChildren().get(3));
223 }
224
225 @Test public void movingAChildFromTheCenterToTheBack() {
226 parent.getChildren().addAll(r2, r3, r1, r4);
227 sync();
228 r1.toBack();
229 sync();
230 assertEquals(4, peer.getChildren().size());
231 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
232 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
233 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
234 assertSame(r4.impl_getPeer(), peer.getChildren().get(3));
235 }
236
237 @Test public void movingAChildFromTheCenterToTheFrontAndAddingAChild() {
238 parent.getChildren().addAll(r1, r2, r4, r3);
239 sync();
240 r4.toFront();
241 parent.getChildren().add(r5);
242 sync();
243 assertEquals(5, peer.getChildren().size());
244 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
245 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
246 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
247 assertSame(r4.impl_getPeer(), peer.getChildren().get(3));
248 assertSame(r5.impl_getPeer(), peer.getChildren().get(4));
249 }
250
251 @Test public void movingAChildFromTheCenterToTheFrontAndRemovingAChild() {
252 parent.getChildren().addAll(r1, r2, r3, r4);
253 sync();
254 r3.toFront();
255 parent.getChildren().remove(2);
256 sync();
257 assertEquals(3, peer.getChildren().size());
258 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
259 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
260 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
261 }
262
263 @Test public void movingAChildFromTheCenterToTheFrontAndThenRemovingTheChild() {
264 parent.getChildren().addAll(r1, r2, r4, r3);
265 sync();
266 r4.toFront();
267 parent.getChildren().remove(3);
268 sync();
269 assertEquals(3, peer.getChildren().size());
270 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
271 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
272 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
273 }
274
275 @Test public void movingAChildFromTheFrontToTheBack() {
276 parent.getChildren().addAll(r2, r3, r4, r1);
277 sync();
278 r1.toBack();
279 sync();
280 assertEquals(4, peer.getChildren().size());
281 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
282 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
283 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
284 assertSame(r4.impl_getPeer(), peer.getChildren().get(3));
285 }
286
287 @Test public void movingAChildFromTheFrontToTheBackAndAddingAChild() {
288 parent.getChildren().addAll(r2, r3, r4, r1);
289 sync();
290 r1.toBack();
291 parent.getChildren().add(r5);
292 sync();
293 assertEquals(5, peer.getChildren().size());
294 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
295 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
296 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
297 assertSame(r4.impl_getPeer(), peer.getChildren().get(3));
298 assertSame(r5.impl_getPeer(), peer.getChildren().get(4));
299 }
300
301 @Test public void movingAChildFromTheFrontToTheBackAndRemovingAChild() {
302 parent.getChildren().addAll(r2, r3, r4, r1);
303 sync();
304 r1.toBack();
305 parent.getChildren().remove(3);
306 sync();
307 assertEquals(3, peer.getChildren().size());
308 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
309 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
310 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
311 }
312
313 @Test public void movingAChildFromTheFrontToTheBackAndThenRemovingTheChild() {
314 parent.getChildren().addAll(r1, r2, r3, r4);
315 sync();
316 r4.toBack();
317 parent.getChildren().remove(0);
318 sync();
319 assertEquals(3, peer.getChildren().size());
320 assertSame(r1.impl_getPeer(), peer.getChildren().get(0));
321 assertSame(r2.impl_getPeer(), peer.getChildren().get(1));
322 assertSame(r3.impl_getPeer(), peer.getChildren().get(2));
323 }
324 }