xref: /openjdk10/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/threads/ThreadLocal03.java

/*
 * 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 org.graalvm.compiler.jtt.threads;

import org.junit.Test;

import org.graalvm.compiler.jtt.JTTTest;

/*
 */
public class ThreadLocal03 extends JTTTest {

    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 {
        runTest("test", 0);
    }

    @Test
    public void run1() throws Throwable {
        runTest("test", 1);
    }

    @Test
    public void run2() throws Throwable {
        runTest("test", 2);
    }

    @Test
    public void run3() throws Throwable {
        runTest("test", 3);
    }

}