/* * Copyright (c) 2015, 2020, 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.Component; import java.awt.Container; import java.awt.EventQueue; import java.awt.FlowLayout; import java.util.ArrayList; import java.util.List; import java.util.concurrent.TimeUnit; import javax.swing.JButton; import javax.swing.JCheckBox; import javax.swing.JCheckBoxMenuItem; import javax.swing.JComboBox; import javax.swing.JComponent; import javax.swing.JDesktopPane; import javax.swing.JEditorPane; import javax.swing.JFormattedTextField; import javax.swing.JFrame; import javax.swing.JInternalFrame; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JPanel; import javax.swing.JPasswordField; import javax.swing.JProgressBar; import javax.swing.JRadioButton; import javax.swing.JRadioButtonMenuItem; import javax.swing.JScrollBar; import javax.swing.JScrollPane; import javax.swing.JSeparator; import javax.swing.JSlider; import javax.swing.JSpinner; import javax.swing.JSplitPane; import javax.swing.JTabbedPane; import javax.swing.JTable; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.JTextPane; import javax.swing.JToggleButton; import javax.swing.JToolBar; import javax.swing.JToolTip; import javax.swing.JTree; import javax.swing.JViewport; import javax.swing.SwingUtilities; import javax.swing.UIManager.LookAndFeelInfo; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.process.ProcessTools; import static javax.swing.UIManager.getInstalledLookAndFeels; /** * @test * @key headful * @bug 8134947 8253977 8240709 * @library /test/lib * @run main/timeout=450/othervm UnninstallUIMemoryLeaks */ public final class UnninstallUIMemoryLeaks { private static JFrame frame; public static void main(String[] args) throws Exception { if (args.length == 0) { long end = System.nanoTime() + TimeUnit.SECONDS.toNanos(400); // run one task per look and feel List tasks = new ArrayList<>(); for (LookAndFeelInfo laf : getInstalledLookAndFeels()) { String name = laf.getName(); tasks.add(runProcess(laf)); } for (Process p : tasks) { if (!p.waitFor(end - System.nanoTime(), TimeUnit.NANOSECONDS)) { p.destroyForcibly(); } } for (Process task : tasks) { new OutputAnalyzer(task).shouldHaveExitValue(0) .stderrShouldBeEmpty(); } return; } try { createGUI(); long end = System.nanoTime() + TimeUnit.SECONDS.toNanos(350); SwingUtilities.invokeAndWait(() -> { while (end > System.nanoTime()) { SwingUtilities.updateComponentTreeUI(frame); } checkListenersCount(frame); }); } finally { if (frame != null) {EventQueue.invokeAndWait(frame::dispose);} } } private static void createGUI() throws Exception { EventQueue.invokeAndWait(() -> { frame = new JFrame(); //TODO we sometimes generate unnecessary repaint events frame.setIgnoreRepaint(true); frame.setLayout(new FlowLayout()); frame.add(new JButton("JButton")); frame.add(new JCheckBox("JCheckBox")); frame.add(new JComboBox<>()); frame.add(new JEditorPane()); frame.add(new JFormattedTextField("JFormattedTextField")); frame.add(new JLabel("label")); frame.add(new JPanel()); frame.add(new JPasswordField("JPasswordField")); frame.add(new JProgressBar()); frame.add(new JRadioButton("JRadioButton")); frame.add(new JScrollBar()); frame.add(new JScrollPane()); frame.add(new JSeparator()); frame.add(new JSlider()); frame.add(new JSpinner()); frame.add(new JSplitPane()); frame.add(new JTabbedPane()); frame.add(new JTable()); frame.add(new JTextArea("JTextArea")); frame.add(new JTextField("JTextField")); frame.add(new JTextPane()); frame.add(new JToggleButton()); frame.add(new JToolBar()); frame.add(new JToolTip()); frame.add(new JTree()); frame.add(new JViewport()); final JMenuBar bar = new JMenuBar(); final JMenu menu1 = new JMenu("menu1"); final JMenu menu2 = new JMenu("menu2"); menu1.add(new JMenuItem("menuitem")); menu2.add(new JCheckBoxMenuItem("JCheckBoxMenuItem")); menu2.add(new JRadioButtonMenuItem("JRadioButtonMenuItem")); bar.add(menu1); bar.add(menu2); frame.setJMenuBar(bar); final String[] data = {"one", "two", "three", "four"}; final JList list = new JList<>(data); frame.add(list); final JDesktopPane pane = new JDesktopPane(); final JInternalFrame internalFrame = new JInternalFrame(); internalFrame.setBounds(10, 10, 130, 130); internalFrame.setVisible(true); pane.add(internalFrame); pane.setSize(150, 150); frame.add(pane); frame.pack(); frame.setSize(600, 600); frame.setLocationRelativeTo(null); // Commented to prevent a reference from RepaintManager // frame.setVisible(true); }); } private static void checkListenersCount(Component comp) { test(comp.getComponentListeners()); test(comp.getFocusListeners()); test(comp.getHierarchyListeners()); test(comp.getHierarchyBoundsListeners()); test(comp.getKeyListeners()); test(comp.getMouseListeners()); test(comp.getMouseMotionListeners()); test(comp.getMouseWheelListeners()); test(comp.getInputMethodListeners()); test(comp.getPropertyChangeListeners()); if (comp instanceof JComponent) { test(((JComponent) comp).getAncestorListeners()); test(((JComponent) comp).getVetoableChangeListeners()); } if (comp instanceof JMenuItem) { test(((JMenuItem) comp).getMenuKeyListeners()); test(((JMenuItem) comp).getMenuDragMouseListeners()); } if (comp instanceof JMenu) { test(((JMenu) comp).getMenuListeners()); } if(comp instanceof Container) { for(Component child: ((Container)comp).getComponents()){ checkListenersCount(child); } } } /** * Checks the count of specific listeners, assumes that the proper * implementation does not use more than 20 listeners. */ private static void test(Object[] listeners) { int length = listeners.length; if (length > 20) { throw new RuntimeException("The count of listeners is: " + length); } } private static Process runProcess(LookAndFeelInfo laf) throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( "-Dswing.defaultlaf=" + laf.getClassName(), "-mx9m", "-XX:+HeapDumpOnOutOfMemoryError", UnninstallUIMemoryLeaks.class.getSimpleName(), "mark"); return ProcessTools.startProcess(laf.getName(), pb); } }