/* * Copyright (c) 2003, 2023, 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 4908468 @summary Linux Empty Choice throws NPE @key headful @run main EmptyChoiceTest */ import java.awt.BorderLayout; import java.awt.Choice; import java.awt.EventQueue; import java.awt.Frame; import java.awt.Graphics; import java.awt.Image; import java.lang.reflect.InvocationTargetException; public class EmptyChoiceTest { Frame frame; Choice choice = null; public static void main(String[] args) throws InterruptedException, InvocationTargetException { EventQueue.invokeAndWait(() -> { EmptyChoiceTest emptyChoiceTest = new EmptyChoiceTest(); emptyChoiceTest.init(); emptyChoiceTest.test(); }); } public void init() { frame = new Frame(); frame.setLayout(new BorderLayout()); choice = new Choice(); frame.add(choice, BorderLayout.NORTH); frame.setSize(200, 200); frame.setLocationRelativeTo(null); frame.setVisible(true); frame.validate(); } public void test () { try { int iWidth = choice.getWidth(); int iHeight = choice.getHeight(); Image componentImage = choice.createImage(iWidth, iHeight); Graphics graphics = componentImage.getGraphics(); graphics.setClip(0, 0, iWidth, iHeight); choice.printAll(graphics); System.out.println("PrintAll successful!"); } catch (NullPointerException exp) { throw new RuntimeException("Test failed. " + "Empty Choice printAll throws NullPointerException"); } catch (Exception exc){ throw new RuntimeException("Test failed.", exc); } finally { frame.dispose(); } } }