| /* |
| * Copyright (c) 2013, 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.*; |
| import javax.swing.*; |
| import java.awt.event.*; |
| |
| /** |
| * @test |
| * @key headful |
| * @bug 7161568 |
| * @author Alexander Scherbatiy |
| * @summary Tests that navigating tabs in the JTAbbedPane does not throw NPE |
| * @run main bug7161568 |
| */ |
| public class bug7161568 { |
| |
| private static final int N = 50; |
| private static JTabbedPane tabbedPane; |
| |
| public static void main(String[] args) throws Exception { |
| UIManager.put("TabbedPane.selectionFollowsFocus", Boolean.FALSE); |
| |
| Robot robot = new Robot(); |
| robot.setAutoDelay(50); |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| |
| @Override |
| public void run() { |
| createAndShowUI(); |
| } |
| }); |
| |
| robot.waitForIdle(); |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| |
| @Override |
| public void run() { |
| tabbedPane.requestFocus(); |
| } |
| }); |
| |
| robot.waitForIdle(); |
| |
| for (int i = 0; i < N; i++) { |
| robot.keyPress(KeyEvent.VK_LEFT); |
| robot.keyRelease(KeyEvent.VK_LEFT); |
| robot.waitForIdle(); |
| } |
| } |
| |
| static void createAndShowUI() { |
| JFrame frame = new JFrame("Test"); |
| frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
| frame.setSize(100, 100); |
| |
| tabbedPane = new JTabbedPane(); |
| |
| for (int i = 0; i < N; i++) { |
| tabbedPane.addTab("Tab: " + i, new JLabel("Test")); |
| } |
| |
| tabbedPane.setSelectedIndex(0); |
| |
| frame.getContentPane().add(tabbedPane); |
| frame.setVisible(true); |
| } |
| } |