/*

 * Copyright (c) 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/*

 * @test

 * @bug 6843181

 * @summary Confirm that NumericShaper is thread-safe.

 * @run main/timeout=300/othervm MTTest

 */

import java.awt.font.NumericShaper;

import java.util.Arrays;

import java.util.EnumSet;

import static java.awt.font.NumericShaper.*;

public class MTTest {

    static volatile boolean runrun = true;

    static volatile boolean err = false;

    final static String text = "-123 (English) 456.00 (Arabic) \u0641\u0642\u0643 -789 (Thai) \u0e01\u0e33 01.23";

    static char[] t1, t2;

    static NumericShaper ns1, ns2, ns3, ns4;

    public static void main(String[] args) {

        System.out.println("   original: " + text);

        ns1 = getContextualShaper(EnumSet.of(Range.ARABIC), Range.ARABIC);

        t1 = text.toCharArray();

        ns1.shape(t1, 0, t1.length);

        System.out.println("expected t1: " + String.valueOf(t1));

        ns2 = getContextualShaper(EnumSet.of(Range.THAI), Range.THAI);

        t2 = text.toCharArray();

        ns2.shape(t2, 0, t2.length);

        System.out.println("expected t2: " + String.valueOf(t2));

        ns3 = getContextualShaper(ARABIC, ARABIC);

        ns4 = getContextualShaper(THAI, THAI);

        Thread th1 = new Thread(new Work(ns1, t1));

        Thread th2 = new Thread(new Work(ns2, t2));

        Thread th3 = new Thread(new Work(ns1, t1));

        Thread th4 = new Thread(new Work(ns2, t2));

        Thread th5 = new Thread(new Work(ns3, t1));

        Thread th6 = new Thread(new Work(ns4, t2));

        Thread th7 = new Thread(new Work(ns3, t1));

        Thread th8 = new Thread(new Work(ns4, t2));

        th1.start();

        th2.start();

        th3.start();

        th4.start();

        th5.start();

        th6.start();

        th7.start();

        th8.start();

        try {

            for (int i = 0; runrun && i < 180; i++) {

                Thread.sleep(1000); // 1 seconds

            }

            runrun = false;

            th1.join();

            th2.join();

            th3.join();

            th4.join();

            th5.join();

            th6.join();

            th7.join();

            th8.join();

        }

        catch (InterruptedException e) {

        }

        if (err) {

            throw new RuntimeException("Thread-safe test failed.");

        }

    }

    private static class Work implements Runnable {

        NumericShaper ns;

        char[] expectedText;

        Work(NumericShaper ns, char[] expectedText) {

            this.ns = ns;

            this.expectedText = expectedText;

        }

        public void run() {

            int count = 0;

            while (runrun) {

                char[] t = text.toCharArray();

                try {

                    count++;

                    ns.shape(t, 0, t.length);

                } catch (Exception e) {

                    System.err.println("Error: Unexpected exception: " + e);

                    runrun = false;

                    err = true;

                    return;

                }

                if (!Arrays.equals(t, expectedText)) {

                    System.err.println("Error: shape() returned unexpected value: ");

                    System.err.println("count = " + count);

                    System.err.println("   expected: " + String.valueOf(expectedText));

                    System.err.println("        got: " + String.valueOf(t));

                    runrun = false;

                    err = true;

                    return;

                }

            }

        }

    }

}