/* * Copyright (c) 2014, 2020, 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. */ import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import org.w3c.dom.DOMImplementation; import org.w3c.dom.Document; import org.w3c.dom.ls.DOMImplementationLS; import org.w3c.dom.ls.LSSerializer; /* * @test * @bug 8035437 * @summary Verifies that java.lang.AbstractMethodError is not thrown when * serializing improper version of DocumentImpl class as reported in XERCESJ-1007. * Test preconditions and steps: * - Compiles test version of org.w3c.dom.Node and org.w3c.dom.Document * - Compiles DocumentImpl overriding java.xml module with Node and Document * - Runs AbstractMethodErrorTest overriding java.xml only with DocumentImpl class * Hence, the interfaces compiled in the first step need to be removed * from the test folder in order to reproduce the bug scenario. At the time of writing, * the clean command was not able to resolve paths generated by compile/module * @library /test/lib * @compile --patch-module java.xml=${test.src} org/w3c/dom/Document.java * org/w3c/dom/Node.java com/sun/org/apache/xerces/internal/dom/DocumentImpl.java * @clean org.w3c.dom.* * @run main/othervm --patch-module java.xml=${test.class.path} AbstractMethodErrorTest */ public class AbstractMethodErrorTest { public static void main(String[] args) throws Exception { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = factory.newDocumentBuilder(); Document document = builder.newDocument(); DOMImplementation impl = document.getImplementation(); DOMImplementationLS implLS = (DOMImplementationLS) impl.getFeature("LS", "3.0"); LSSerializer dsi = implLS.createLSSerializer(); // We should have here incorrect document without getXmlVersion() method String result = dsi.writeToString(document); System.out.println("Result:" + result); } }