NullBytecodeExceptionTest.java revision 12651:6ef01bd40ce2 
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 */
23package org.graalvm.compiler.replacements.test;
24
25import org.junit.Test;
26
27import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
28import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;
29import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;
30
31import jdk.vm.ci.meta.ResolvedJavaMethod;
32
33public 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}
63