/* * Copyright (c) 2002, 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 4546535 @summary java.awt.Container.remove(int) throws unexpected NPE */ import java.awt.Canvas; import java.awt.Panel; public class RemoveByIndexExceptionTest { public static void main(String[] args) throws Exception { Panel p = new Panel(); p.add(new Canvas()); p.remove(0); int[] bad = {-1, 0, 1}; for (int i = 0; i < bad.length; i++) { try { System.out.println("Removing " + bad[i]); p.remove(bad[i]); System.out.println("No exception"); } catch (ArrayIndexOutOfBoundsException e) { e.printStackTrace(); System.out.println("This is correct exception - " + e); } catch (NullPointerException e) { e.printStackTrace(); throw new RuntimeException("Test Failed: NPE was thrown."); } } System.out.println("Test Passed."); } }