| /* |
| * Copyright (c) 2009, 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 6794836 |
| * @summary BasicSliderUI throws NullPointerExc when JSlider maximum is Integer.MAX_VALUE |
| * @author Pavel Porvatov |
| * @run main bug6794836 |
| */ |
| |
| import javax.swing.*; |
| import javax.swing.plaf.basic.BasicSliderUI; |
| import java.lang.reflect.Method; |
| import java.util.Hashtable; |
| |
| public class bug6794836 { |
| public static void main(String[] args) throws Exception { |
| new bug6794836().run(); |
| } |
| |
| public void run() throws Exception { |
| JSlider slider = new JSlider(0, Integer.MAX_VALUE); |
| |
| slider.setPaintLabels(true); |
| |
| JLabel minLabel = new JLabel("Min"); |
| JLabel maxLabel = new JLabel("Max"); |
| |
| Hashtable<Integer, JLabel> labelTable = new Hashtable<Integer, JLabel>(); |
| |
| labelTable.put(Integer.MIN_VALUE, minLabel); |
| labelTable.put(Integer.MAX_VALUE, maxLabel); |
| |
| slider.setLabelTable(labelTable); |
| |
| BasicSliderUI ui = (BasicSliderUI) slider.getUI(); |
| |
| if (invokeMethod("getHighestValueLabel", ui) != maxLabel) { |
| fail("invalid getHighestValueLabel result"); |
| } |
| |
| if (invokeMethod("getLowestValueLabel", ui) != minLabel) { |
| fail("invalid getLowestValueLabel result"); |
| } |
| |
| System.out.println("The bug6794836 test passed"); |
| } |
| |
| private static Object invokeMethod(String name, BasicSliderUI ui) throws Exception { |
| Method method = BasicSliderUI.class.getDeclaredMethod(name, null); |
| |
| method.setAccessible(true); |
| |
| return method.invoke(ui, null); |
| } |
| |
| private static void fail(String s) { |
| throw new RuntimeException("Test failed: " + s); |
| } |
| } |