view graal/com.oracle.max.graal.jtt/src/com/oracle/graal/jtt/threads/ThreadLocal03.java @ 5060:4ed4295ce15f

Update import statements.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 08 Mar 2012 19:11:12 +0100
parents ed559a528128
children
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/*
 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.graal.jtt.threads;

import org.junit.*;

/*
 */
public class ThreadLocal03 {

    static final ThreadLocal<Integer> local = new ThreadLocal<>();

    public static int test(int i) {
        int sum = 0;
        for (int j = 0; j < i; j++) {
            TThread t = new TThread();
            t.input = 10 + j;
            t.run();
            try {
                t.join();
            } catch (InterruptedException e) {
                return -1;
            }
            sum += t.output;
        }
        return sum;
    }

    private static class TThread extends Thread {

        int input;
        int output;

        @Override
        public void run() {
            local.set(input + 5);
            output = local.get();
        }
    }

    @Test
    public void run0() throws Throwable {
        Assert.assertEquals(0, test(0));
    }

    @Test
    public void run1() throws Throwable {
        Assert.assertEquals(15, test(1));
    }

    @Test
    public void run2() throws Throwable {
        Assert.assertEquals(31, test(2));
    }

    @Test
    public void run3() throws Throwable {
        Assert.assertEquals(48, test(3));
    }

}