/* * 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. */ /* @test @bug 8048887 @summary Tests SortingFTP for an exception caused by the tim-sort algo. @author anton.tarasov: area=awt.focus @run main JDK8048887 */ import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.SwingUtilities; import java.awt.Dimension; import java.awt.Color; import java.awt.GridBagLayout; import java.awt.GridBagConstraints; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.util.concurrent.CountDownLatch; import java.util.concurrent.TimeUnit; public class JDK8048887 { static volatile boolean passed = true; public static void main(String[] args) { JDK8048887 app = new JDK8048887(); app.start(); } public void start() { final CountDownLatch latch = new CountDownLatch(1); SwingUtilities.invokeLater(new Runnable(){ @Override public void run(){ // Catch the original exception which sounds like: // java.lang.IllegalArgumentException: Comparison method violates its general contract! Thread.currentThread().setUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() { public void uncaughtException(Thread t, Throwable e) { e.printStackTrace(); if (e instanceof IllegalArgumentException) { passed = false; latch.countDown(); } } }); TestDialog d = new TestDialog(); // It's expected that the dialog is focused on start. // The listener is called after the FTP completes processing and the bug is reproduced or not. d.addWindowFocusListener(new WindowAdapter() { public void windowGainedFocus(WindowEvent e) { latch.countDown(); } }); d.setVisible(true); } }); try { latch.await(5, TimeUnit.SECONDS); } catch (InterruptedException e) { e.printStackTrace(); } if (passed) System.out.println("Test passed."); else throw new RuntimeException("Test failed!"); } } class TestDialog extends JFrame { // The layout of the components reproduces the transitivity issue // with SortingFocusTraversalPolicy relying on the tim-sort algo. 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, 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, 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, 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, 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, 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, 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, 35, 80, 45, 55}; public TestDialog() { JPanel panel = new JPanel(new GridBagLayout()); GridBagConstraints gbc = new GridBagConstraints(); for (int i=0; i < Xs.length; i++) { gbc.gridx = Xs[i]; gbc.gridy = 100 - gbc.gridx; panel.add(new MyComponent(), gbc); } getRootPane().getContentPane().add(panel); pack(); } public static class MyComponent extends JPanel { private final static Dimension SIZE = new Dimension(1,1); public MyComponent() { setBackground(Color.BLACK); setOpaque(true); } @Override public Dimension getPreferredSize() { return SIZE; } } }