1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.replacements.test;
  24 
  25 import org.junit.Test;
  26 
  27 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
  28 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;
  29 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;
  30 
  31 import jdk.vm.ci.meta.ResolvedJavaMethod;
  32 
  33 public class NullBytecodeExceptionTest extends BytecodeExceptionTest {
  34 
  35     private static class Exceptions {
  36 
  37         private static Object obj = null;
  38 
  39         public static void throwNull() {
  40             obj.toString();
  41         }
  42     }
  43 
  44     @Override
  45     protected void registerPlugin(InvocationPlugins plugins) {
  46         plugins.register(new InvocationPlugin() {
  47             @Override
  48             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
  49                 return throwBytecodeException(b, NullPointerException.class);
  50             }
  51         }, Exceptions.class, "throwNull");
  52     }
  53 
  54     public static void nullSnippet() {
  55         Exceptions.throwNull();
  56     }
  57 
  58     @Test
  59     public void testNullPointerException() {
  60         test("nullSnippet");
  61     }
  62 }