/* * Copyright (c) 1999, 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 4166809 * @summary Make sure NPE is thrown when calling * Graphics.drawString(null, int, int) * @run main DrawNullStringTest */ import java.awt.image.BufferedImage; import java.awt.EventQueue; import java.awt.Graphics; public class DrawNullStringTest { static String s = null; static boolean passed = false; public static void main(String[] args) throws Exception { EventQueue.invokeAndWait(() -> { BufferedImage img = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB); Graphics g = (Graphics)(img.getGraphics()); try { g.drawString(s, 30, 30); } catch (NullPointerException npe) { System.out.println("NPE thrown - test passes"); passed = true; } if (passed == false) { throw new Error("No Exception was thrown - should be an NPE"); } }); } }// class DrawNullStringTest