/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ import java.awt.BorderLayout; import java.awt.Toolkit; import java.awt.Robot; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JTabbedPane; import javax.swing.SwingUtilities; import javax.swing.plaf.metal.MetalLookAndFeel; /** * @test * @key headful * @bug 8017284 * @author Alexander Scherbatiy * @summary Aqua LaF: memory leak when HTML is used for JTabbedPane tab titles * @run main/othervm/timeout=60 -Xmx128m bug8017284 */ public class bug8017284 { private static final int TAB_COUNT = 100; private static final int ITERATIONS = 100; private static JFrame frame; private static JTabbedPane tabbedPane; public static void main(String[] args) throws Exception { Robot robot = new Robot(); SwingUtilities.invokeAndWait(() -> { frame = new JFrame(); frame.setSize(500, 500); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); tabbedPane = new JTabbedPane(); for (int i = 0; i < TAB_COUNT; i++) { tabbedPane.add("Header " + i, new JLabel("Content: " + i)); } frame.getContentPane().setLayout(new BorderLayout()); frame.getContentPane().add(tabbedPane, BorderLayout.CENTER); frame.setVisible(true); }); robot.waitForIdle(); SwingUtilities.invokeAndWait(() -> { for (int j = 0; j < ITERATIONS; j++) { for (int i = 0; i < TAB_COUNT; i++) { tabbedPane.setTitleAt(i, getHtmlText(j * TAB_COUNT + i)); } } }); robot.waitForIdle(); SwingUtilities.invokeAndWait(() -> frame.dispose()); } private static String getHtmlText(int i) { return "<html><b><i>" + i + "</b></i>"; } }