1 /*
2 * Copyright (c) 2016, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 @test
26 @bug 8048887 8164937
27 @summary Tests SortingFTP for an exception caused by the tim-sort algo.
28 @author anton.tarasov: area=awt.focus
29 @run main JDK8048887
30 */
31
32 import javax.swing.JFrame;
33 import javax.swing.JPanel;
34 import javax.swing.SwingUtilities;
35 import java.awt.Dimension;
36 import java.awt.Color;
37 import java.awt.GridBagLayout;
38 import java.awt.GridBagConstraints;
39 import java.awt.event.WindowAdapter;
40 import java.awt.event.WindowEvent;
41 import java.util.concurrent.CountDownLatch;
42 import java.util.concurrent.TimeUnit;
43
44 public class JDK8048887 {
45
46 static volatile boolean passed = true;
47
48 public static void main(String[] args) {
49 JDK8048887 app = new JDK8048887();
50 app.start();
51 }
52
53 public void start() {
54 final CountDownLatch latch = new CountDownLatch(1);
55
56 SwingUtilities.invokeLater(() -> {
57 // Catch the original exception which sounds like:
58 // java.lang.IllegalArgumentException: Comparison method violates its general contract!
59 Thread.currentThread().setUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
60 public void uncaughtException(Thread t, Throwable e) {
61 e.printStackTrace();
62 if (e instanceof IllegalArgumentException) {
63 passed = false;
64 latch.countDown();
65 }
66 }
67 });
68
69 TestDialog d = new TestDialog();
70 // It's expected that the dialog is focused on start.
71 // The listener is called after the FTP completes processing and the bug is reproduced or not.
72 d.addWindowFocusListener(new WindowAdapter() {
73 public void windowGainedFocus(WindowEvent e) {
74 latch.countDown();
75 }
76 });
77 d.setVisible(true);
78 });
79
80 try {
81 latch.await(5, TimeUnit.SECONDS);
82 } catch (InterruptedException e) {
83 e.printStackTrace();
84 }
85
86 if (passed)
87 System.out.println("Test passed.");
88 else
89 throw new RuntimeException("Test failed!");
90 }
91 }
92
93 class TestDialog extends JFrame {
94
95 // The layout of the components reproduces the transitivity issue
96 // with SortingFocusTraversalPolicy relying on the tim-sort algo.
97
98 private static int[] Xs = new int[] {71, 23, 62, 4, 79, 39, 34, 9, 84, 58, 30, 34, 38, 15, 69, 10, 44, 95, 70, 54,
99 44, 62, 77, 64, 70, 83, 31, 48, 96, 54, 40, 3, 60, 58, 3, 20, 94, 54, 26, 19, 48, 47, 12, 70, 86, 43, 71, 97, 19,
100 69, 90, 22, 43, 76, 10, 60, 29, 49, 9, 9, 15, 73, 85, 80, 81, 35, 87, 43, 17, 57, 38, 44, 29, 86, 96, 15, 57, 26,
101 27, 78, 26, 87, 43, 6, 4, 16, 57, 99, 32, 86, 96, 5, 50, 69, 12, 4, 36, 84, 71, 60, 22, 46, 11, 44, 87, 3, 23, 14,
102 43, 25, 32, 44, 11, 18, 77, 2, 51, 87, 88, 53, 69, 37, 14, 10, 25, 73, 39, 33, 91, 51, 96, 9, 74, 66, 70, 42, 72,
103 7, 82, 40, 91, 33, 83, 54, 33, 50, 83, 1, 81, 32, 66, 11, 75, 56, 53, 45, 1, 69, 46, 31, 79, 58, 12, 20, 92, 49,
104 50, 90, 33, 8, 43, 93, 72, 78, 9, 56, 84, 60, 30, 39, 33, 88, 84, 56, 49, 47, 4, 90, 57, 6, 23, 96, 37, 88, 22, 79,
105 35, 80, 45, 55};
106
107 public TestDialog() {
108 JPanel panel = new JPanel(new GridBagLayout());
109 GridBagConstraints gbc = new GridBagConstraints();
110 for (int i=0; i < Xs.length; i++) {
111 gbc.gridx = Xs[i];
112 gbc.gridy = 100 - gbc.gridx;
113 panel.add(new MyComponent(), gbc);
114 }
115 getRootPane().getContentPane().add(panel);
116 pack();
117 }
118
119 public static class MyComponent extends JPanel {
120 private final static Dimension SIZE = new Dimension(1,1);
121
122 public MyComponent() {
123 setBackground(Color.BLACK);
124 setOpaque(true);
125 }
126
127 @Override
128 public Dimension getPreferredSize() {
129 return SIZE;
130 }
131 }
132 }