bug8017284.java revision 15235:fe58d505fffd 
1/*
2 * Copyright (c) 2014, 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 */
23import java.awt.BorderLayout;
24import java.awt.Toolkit;
25import java.awt.Robot;
26import javax.swing.JFrame;
27import javax.swing.JLabel;
28import javax.swing.JTabbedPane;
29import javax.swing.SwingUtilities;
30import javax.swing.plaf.metal.MetalLookAndFeel;
31
32/**
33 * @test
34 * @key headful
35 * @bug 8017284
36 * @author Alexander Scherbatiy
37 * @summary  Aqua LaF: memory leak when HTML is used for JTabbedPane tab titles
38 * @run main/othervm/timeout=60 -Xmx128m bug8017284
39 */
40public class bug8017284 {
41
42    private static final int TAB_COUNT = 100;
43    private static final int ITERATIONS = 100;
44    private static JFrame frame;
45    private static JTabbedPane tabbedPane;
46
47    public static void main(String[] args) throws Exception {
48
49        Robot robot = new Robot();
50        SwingUtilities.invokeAndWait(() -> {
51            frame = new JFrame();
52            frame.setSize(500, 500);
53            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
54
55            tabbedPane = new JTabbedPane();
56
57            for (int i = 0; i < TAB_COUNT; i++) {
58                tabbedPane.add("Header " + i, new JLabel("Content: " + i));
59            }
60
61            frame.getContentPane().setLayout(new BorderLayout());
62            frame.getContentPane().add(tabbedPane, BorderLayout.CENTER);
63            frame.setVisible(true);
64        });
65
66        robot.waitForIdle();
67
68        SwingUtilities.invokeAndWait(() -> {
69            for (int j = 0; j < ITERATIONS; j++) {
70                for (int i = 0; i < TAB_COUNT; i++) {
71                    tabbedPane.setTitleAt(i, getHtmlText(j * TAB_COUNT + i));
72                }
73            }
74        });
75        robot.waitForIdle();
76
77        SwingUtilities.invokeAndWait(() -> frame.dispose());
78    }
79
80    private static String getHtmlText(int i) {
81        return "<html><b><i>" + i + "</b></i>";
82    }
83}
84