001/*
002 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.jtt.except;
024
025import org.junit.*;
026
027import com.oracle.graal.jtt.*;
028
029/*
030 */
031public class StackTrace_NPE_03 extends JTTTest {
032
033    private static String[] trace = {"test2", "test1", "test"};
034
035    public static int test(int a) {
036        try {
037            if (a >= 0) {
038                return test1();
039            }
040        } catch (NullPointerException npe) {
041            String thisClass = StackTrace_NPE_03.class.getName();
042            StackTraceElement[] stackTrace = npe.getStackTrace();
043            for (int i = 0; i < stackTrace.length; i++) {
044                StackTraceElement e = stackTrace[i];
045                if (e.getClassName().equals(thisClass)) {
046                    for (int j = 0; j < trace.length; j++) {
047                        StackTraceElement f = stackTrace[i + j];
048                        if (!f.getClassName().equals(thisClass)) {
049                            return -2;
050                        }
051                        if (!f.getMethodName().equals(trace[j])) {
052                            return -3;
053                        }
054                    }
055                    return 0;
056                }
057            }
058        }
059        return -1;
060    }
061
062    private static int test1() {
063        return test2();
064    }
065
066    private static int test2() {
067        throw new NullPointerException();
068    }
069
070    @Test
071    public void run0() throws Throwable {
072        runTest("test", 0);
073    }
074
075    @Test
076    public void run1() throws Throwable {
077        runTest("test", 1);
078    }
079
080    @Test
081    public void run2() throws Throwable {
082        runTest("test", -2);
083    }
084
085    @Test
086    public void run3() throws Throwable {
087        runTest("test", 3);
088    }
089
090}