1 /* 2 * Copyright (c) 2009, 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 */ 23 24 /* @test 25 * @bug 6794831 26 * @summary Infinite loop while painting ticks on Slider with maximum=MAX_INT 27 * @author Pavel Porvatov 28 @run main bug6794831 29 */ 30 31 import javax.swing.*; 32 import javax.swing.plaf.basic.BasicSliderUI; 33 import java.awt.image.BufferedImage; 34 import java.lang.reflect.InvocationTargetException; 35 import java.util.concurrent.CountDownLatch; 36 import java.util.concurrent.TimeUnit; 37 38 public class bug6794831 { 39 private final CountDownLatch countDownLatch = new CountDownLatch(1); 40 41 public static void main(String args[]) 42 throws InterruptedException, InvocationTargetException { 43 new bug6794831().run(); 44 } 45 46 private void run() throws InterruptedException, InvocationTargetException { 47 SwingUtilities.invokeAndWait(new Runnable() { 48 public void run() { 49 for (UIManager.LookAndFeelInfo lookAndFeelInfo : UIManager.getInstalledLookAndFeels()) { 50 try { 51 UIManager.setLookAndFeel(lookAndFeelInfo.getClassName()); 52 } catch (Exception e) { 53 fail(e.getMessage()); 54 } 55 56 BufferedImage image = new BufferedImage(300, 200, BufferedImage.TYPE_INT_ARGB); 57 58 // Test 1 59 JSlider slider = new JSlider(0, Integer.MAX_VALUE - 1, 0); 60 61 slider.setMajorTickSpacing((Integer.MAX_VALUE - 1) / 4); 62 slider.setPaintTicks(true); 63 64 ((BasicSliderUI) slider.getUI()).paintTicks(image.getGraphics()); 65 66 // Test 2 67 slider = new JSlider(0, Integer.MAX_VALUE - 1, 0); 68 69 slider.setMinorTickSpacing((Integer.MAX_VALUE - 1) / 4); 70 slider.setPaintTicks(true); 71 72 ((BasicSliderUI) slider.getUI()).paintTicks(image.getGraphics()); 73 74 // Test 3 75 slider = new JSlider(0, Integer.MAX_VALUE - 1, 0); 76 77 slider.setOrientation(JSlider.VERTICAL); 78 slider.setMajorTickSpacing((Integer.MAX_VALUE - 1) / 4); 79 slider.setPaintTicks(true); 80 81 ((BasicSliderUI) slider.getUI()).paintTicks(image.getGraphics()); 82 83 // Test 4 84 slider = new JSlider(0, Integer.MAX_VALUE - 1, 0); 85 86 slider.setOrientation(JSlider.VERTICAL); 87 slider.setMinorTickSpacing((Integer.MAX_VALUE - 1) / 4); 88 slider.setPaintTicks(true); 89 90 ((BasicSliderUI) slider.getUI()).paintTicks(image.getGraphics()); 91 92 countDownLatch.countDown(); 93 } 94 } 95 }); 96 97 if (countDownLatch.await(3000, TimeUnit.MILLISECONDS)) { 98 System.out.println("bug6794831 passed"); 99 } else { 100 fail("bug6794831 failed"); 101 } 102 } 103 104 private static void fail(String msg) { 105 throw new RuntimeException(msg); 106 } 107 }