1 /*
2 * Copyright (c) 2015, 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.application;
27
28 import com.sun.javafx.application.PlatformImplShim;
29 import java.util.concurrent.CountDownLatch;
30 import java.util.concurrent.TimeUnit;
31 import java.util.concurrent.atomic.AtomicBoolean;
32 import javafx.application.Platform;
33 import javafx.scene.Group;
34 import javafx.scene.Scene;
35 import javafx.scene.paint.Color;
36 import javafx.stage.Stage;
37 import junit.framework.AssertionFailedError;
38 import test.util.Util;
39
40 import static org.junit.Assert.*;
41 import static test.util.Util.TIMEOUT;
42
43 /**
44 * Test program for Platform startup.
45 * Each of the tests must be run in a separate JVM which is why each
46 * is in its own subclass.
47 */
48 public class PlatformStartupCommon {
49
50 // Sleep time showing/hiding window in milliseconds
51 private static final int SLEEP_TIME = 1000;
52
53 // Used to start the toolkit before running any test
54 private final CountDownLatch startupLatch = new CountDownLatch(1);
55
56 private Stage mainStage;
57
58 private void createMainStage() {
59 mainStage = new Stage();
60 mainStage.setTitle("Primary stage");
61 Group root = new Group();
62 Scene scene = new Scene(root);
63 scene.setFill(Color.LIGHTYELLOW);
64 mainStage.setScene(scene);
65 mainStage.setX(0);
66 mainStage.setY(0);
67 mainStage.setWidth(210);
68 mainStage.setHeight(180);
69 }
70
71 private void doTestCommon(final boolean implicitExit) {
72 final Throwable[] testError = new Throwable[1];
73 final Thread testThread = Thread.currentThread();
74
75 // Start the Toolkit
76 assertFalse(Platform.isFxApplicationThread());
77 assertEquals(1, startupLatch.getCount());
78 Platform.setImplicitExit(implicitExit);
79 Platform.startup(() -> {
80 try {
81 assertTrue(Platform.isFxApplicationThread());
82 startupLatch.countDown();
83 assertEquals(0, startupLatch.getCount());
84 } catch (Throwable th) {
85 testError[0] = th;
86 testThread.interrupt();
87 }
88 });
89 assertFalse(Platform.isFxApplicationThread());
90
91 try {
92 if (!startupLatch.await(TIMEOUT, TimeUnit.MILLISECONDS)) {
93 throw new AssertionFailedError("Timeout waiting for Toolkit to start");
94 }
95
96 final CountDownLatch rDone = new CountDownLatch(1);
97 // Test that we can do a runLater that throws exception
98 Platform.runLater(() -> {
99 try {
100 throw new RuntimeException("this exception is expected");
101 } finally {
102 rDone.countDown();
103 }
104 });
105 if (!rDone.await(TIMEOUT, TimeUnit.MILLISECONDS)) {
106 throw new AssertionFailedError("Timeout waiting for runLater with Exception");
107 }
108
109 // Create and show main stage
110 Util.runAndWait(() -> {
111 createMainStage();
112 mainStage.show();
113 });
114
115 // Hide the primary stage after a short delay
116 Thread.sleep(SLEEP_TIME);
117 Util.runAndWait(mainStage::hide);
118
119 // Test exit behavior after another short delay
120 Thread.sleep(SLEEP_TIME);
121
122 final CountDownLatch exitLatch = PlatformImplShim.test_getPlatformExitLatch();
123
124 if (implicitExit) {
125 // Verify that that the runtime has exited
126 assertEquals(0, exitLatch.getCount());
127
128 // Verify that that a runLater is a no-op
129 final AtomicBoolean isAlive = new AtomicBoolean(false);
130 Platform.runLater(() -> isAlive.set(true));
131 Thread.sleep(SLEEP_TIME);
132 assertFalse(isAlive.get());
133 } else {
134 // Verify that the FX runtime has not exited
135 assertEquals(1, exitLatch.getCount());
136
137 // Make sure Toolkit is still alive and running
138 AtomicBoolean isAlive = new AtomicBoolean(false);
139 Util.runAndWait(() -> isAlive.set(true));
140 assertTrue(isAlive.get());
141
142 // Shutdown the FX runtime and wait for toolkit to exit
143 Platform.exit();
144
145 if (!exitLatch.await(TIMEOUT, TimeUnit.MILLISECONDS)) {
146 throw new AssertionFailedError("Timeout waiting for Platform to exit");
147 }
148 }
149 } catch (InterruptedException ex) {
150 if (testError[0] != null) {
151 Util.throwError(testError[0]);
152 } else {
153 fail("Unexpected exception: " + ex);
154 }
155 }
156 }
157
158 // ========================== TEST CASES ==========================
159
160 protected void doTestStartupExplicitExit() {
161 doTestCommon(false);
162 }
163
164 protected void doTestStartupImplicitExit() {
165 doTestCommon(true);
166 }
167
168 }