1 /*
2 * Copyright (c) 2011, 2017, 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.javafx.scene.control;
27
28 import static org.junit.Assert.assertEquals;
29 import static org.junit.Assert.assertTrue;
30
31 import java.lang.ref.Reference;
32 import java.lang.ref.ReferenceQueue;
33 import java.lang.ref.WeakReference;
34 import java.util.ArrayList;
35 import javafx.geometry.Pos;
36 import javafx.scene.control.Alert;
37 import javafx.scene.control.ProgressIndicator;
38 import javafx.scene.Scene;
39 import javafx.stage.Stage;
40 import javafx.scene.layout.HBox;
41 import javafx.scene.layout.StackPane;
42 import javafx.scene.layout.VBox;
43 import com.sun.javafx.tk.Toolkit;
44
45 import org.junit.Before;
46 import org.junit.Test;
47
48 /**
49 */
50 public class ProgressIndicatorTest {
51 Toolkit tk;
52
53 @Before public void setup() {
54 tk = Toolkit.getToolkit();
55 }
56
57 @Test public void progressIndicatorHeightTest() {
58 ProgressIndicator pi = new ProgressIndicator(0.5);
59
60 HBox hb = new HBox();
61 hb.setAlignment(Pos.CENTER);
62 hb.getChildren().addAll(pi);
63
64 Scene scene = new Scene(hb, 400, 400);
65 Stage stage = new Stage();
66 stage.setScene(scene);
67 stage.show();
68 tk.firePulse();
69
70 // Test the ProgressIndicator height is non zero and
71 // does not occupy entire height of the scene.
72 int x = Double.compare(0.0, pi.getHeight());
73 assertTrue(x != 0);
74
75 x = Double.compare(400.0, pi.getHeight());
76 assertTrue(x != 0);
77 }
78
79 @Test public void progressIndicatorWidthTest() {
80 ProgressIndicator pi = new ProgressIndicator(0.5);
81
82 VBox vb = new VBox();
83 vb.setAlignment(Pos.CENTER);
84 vb.getChildren().addAll(pi);
85
86 Scene scene = new Scene(vb, 400, 400);
87 Stage stage = new Stage();
88 stage.setScene(scene);
89 stage.show();
90
91 tk.firePulse();
92
93 // Test the ProgressIndicator width is non zero and
94 // does not occupy entire width of the scene.
95 int x = Double.compare(0.0, pi.getWidth());
96 assertTrue(x != 0);
97
98 x = Double.compare(400.0, pi.getWidth());
99 assertTrue(x != 0);
100 }
101
102 final static int TOTAL_PROGRESS_INDICATORS = 10;
103 private ArrayList<WeakReference<ProgressIndicator>> weakRefArr =
104 new ArrayList(TOTAL_PROGRESS_INDICATORS);
105
106 @Test public void memoryLeakTest_JDK_8189265_stage() {
107 testProgressIndicatorObjectsInStage();
108
109 attemptGC(10);
110
111 assertEquals(TOTAL_PROGRESS_INDICATORS, getCleanedUpObjectCount());
112
113 weakRefArr.clear();
114 }
115
116 @Test public void memoryLeakTest_JDK_8189265_alert() {
117 testProgressIndicatorObjectsInAlert();
118
119 attemptGC(10);
120
121 assertEquals(TOTAL_PROGRESS_INDICATORS, getCleanedUpObjectCount());
122
123 weakRefArr.clear();
124 }
125
126 private void testProgressIndicatorObjectsInStage() {
127 ProgressIndicator pi[] = new ProgressIndicator[TOTAL_PROGRESS_INDICATORS];
128 HBox hb = new HBox();
129
130 for (int i = 0; i < TOTAL_PROGRESS_INDICATORS; i++) {
131 pi[i] = new ProgressIndicator();
132 weakRefArr.add(i, new WeakReference<ProgressIndicator>(pi[i]));
133 hb.getChildren().add(pi[i]);
134 }
135
136 Stage stage = new Stage();
137 Scene scene = new Scene(hb);
138 stage.setScene(scene);
139 stage.show();
140
141 tk.firePulse();
142
143 stage.close();
144 tk.firePulse();
145 }
146
147 private void testProgressIndicatorObjectsInAlert() {
148 ProgressIndicator pi[] = new ProgressIndicator[TOTAL_PROGRESS_INDICATORS];
149 StackPane root = new StackPane();
150
151 for (int i = 0; i < TOTAL_PROGRESS_INDICATORS; i++) {
152 pi[i] = new ProgressIndicator();
153 weakRefArr.add(i, new WeakReference<ProgressIndicator>(pi[i]));
154 root.getChildren().add(pi[i]);
155 }
156
157 Alert dialog = new Alert(Alert.AlertType.INFORMATION);
158 dialog.getDialogPane().setContent(root);
159 dialog.show();
160 tk.firePulse();
161
162 dialog.close();
163 tk.firePulse();
164 }
165
166 private void attemptGC(int n) {
167 // Attempt gc n times
168 for (int i = 0; i < n; i++) {
169 System.gc();
170 System.runFinalization();
171 try {
172 Thread.sleep(500);
173 } catch (InterruptedException e) {
174 System.err.println("InterruptedException occurred during Thread.sleep()");
175 }
176 }
177 }
178
179 private int getCleanedUpObjectCount() {
180 int count = 0;
181 for (int i = 0; i < TOTAL_PROGRESS_INDICATORS; i++) {
182 if (weakRefArr.get(i).get() == null) {
183 count++;
184 }
185 }
186 return count;
187 }
188 }