| /* |
| * Copyright (c) 2015, 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 7040592 |
| * @summary Test that the assertion in State.forceStackTop does not fail at compile time. |
| * @modules java.xml |
| */ |
| |
| import java.lang.reflect.Field; |
| import java.util.ArrayList; |
| import org.w3c.dom.Element; |
| |
| public class CoerceNullToMoreSpecificTypeTest { |
| abstract class NodeImpl { |
| } |
| |
| NodeImpl ownerNode; |
| |
| public Element getElement() { |
| return (Element) (isOwned() ? ownerNode : null); |
| } |
| |
| boolean isOwned() { |
| return true; |
| } |
| |
| static void processArrays(boolean expectNulls, Object [] nulla, Object [][] nullaa) { |
| if (expectNulls) { |
| if (nulla != null || nullaa != null) { |
| throw new AssertionError("Null actual, but not null formal"); |
| } |
| } else { |
| if (nulla.length != 123 || nullaa.length != 321) |
| throw new AssertionError("Wrong arrays received"); |
| } |
| } |
| |
| public static void main(String[] args) { |
| ArrayList<Class<?>> typeList = new ArrayList<>(); |
| Field rf = null; |
| typeList.add((rf != null) ? rf.getType() : null); |
| processArrays(true, null, null); |
| processArrays(false, new Object[123], new Object[321][]); |
| } |
| } |