StackTrace_NPE_02.java revision 12651:6ef01bd40ce2 
1/*
2 * Copyright (c) 2009, 2012, 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.jtt.except;
24
25import org.junit.Test;
26
27import org.graalvm.compiler.jtt.JTTTest;
28
29/*
30 */
31public class StackTrace_NPE_02 extends JTTTest {
32
33    private static String[] trace = {"test1", "test"};
34
35    public static int test(int a) {
36        try {
37            if (a >= 0) {
38                return test1();
39            }
40        } catch (NullPointerException npe) {
41            String thisClass = StackTrace_NPE_02.class.getName();
42            StackTraceElement[] stackTrace = npe.getStackTrace();
43            for (int i = 0; i < stackTrace.length; i++) {
44                StackTraceElement e = stackTrace[i];
45                if (e.getClassName().equals(thisClass)) {
46                    for (int j = 0; j < trace.length; j++) {
47                        StackTraceElement f = stackTrace[i + j];
48                        if (!f.getClassName().equals(thisClass)) {
49                            return -2;
50                        }
51                        if (!f.getMethodName().equals(trace[j])) {
52                            return -3;
53                        }
54                    }
55                    return 0;
56                }
57            }
58        }
59        return -1;
60    }
61
62    @SuppressWarnings("all")
63    private static int test1() {
64        final Object o = null;
65        return o.hashCode();
66    }
67
68    @Test
69    public void run0() throws Throwable {
70        runTest("test", 0);
71    }
72
73    @Test
74    public void run1() throws Throwable {
75        runTest("test", 1);
76    }
77
78    @Test
79    public void run2() throws Throwable {
80        runTest("test", -2);
81    }
82
83    @Test
84    public void run3() throws Throwable {
85        runTest("test", 3);
86    }
87
88}
89