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.threads;
024
025import org.junit.*;
026
027import com.oracle.graal.jtt.*;
028
029/*
030 */
031public class ThreadLocal03 extends JTTTest {
032
033    static final ThreadLocal<Integer> local = new ThreadLocal<>();
034
035    public static int test(int i) {
036        int sum = 0;
037        for (int j = 0; j < i; j++) {
038            TThread t = new TThread();
039            t.input = 10 + j;
040            t.run();
041            try {
042                t.join();
043            } catch (InterruptedException e) {
044                return -1;
045            }
046            sum += t.output;
047        }
048        return sum;
049    }
050
051    private static class TThread extends Thread {
052
053        int input;
054        int output;
055
056        @Override
057        public void run() {
058            local.set(input + 5);
059            output = local.get();
060        }
061    }
062
063    @Test
064    public void run0() throws Throwable {
065        runTest("test", 0);
066    }
067
068    @Test
069    public void run1() throws Throwable {
070        runTest("test", 1);
071    }
072
073    @Test
074    public void run2() throws Throwable {
075        runTest("test", 2);
076    }
077
078    @Test
079    public void run3() throws Throwable {
080        runTest("test", 3);
081    }
082
083}