/*

 * Copyright (c) 2007 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 6665028

 * @summary verify that the memory corruption doesn't happen. Note

 * that this test case fails without the fix in some different ways,

 * including timeout, due to the memory corruption.

 * @build Bug6665028

 * @run main/othervm/timeout=60 -Xmx16m Bug6665028

 */

import java.awt.font.TextAttribute;

import java.text.AttributedString;

import java.text.Bidi;

// test1() and test2() were derived from BidiEmbeddingTest.

public class Bug6665028 {

    private static boolean runrun = true;

    private static class Test extends Thread {

        public void run() {

            while (runrun) {

                test1();

                test2();

            }

        }

    }

    public static void main(String[] args) {

        Test[] tests = new Test[4];

        for (int i = 0; i < tests.length; i++) {

            Test t = new Test();

            tests[i] = t;

            t.start();

        }

        try {

            Thread.sleep(45000);

        } catch (InterruptedException e) {

        }

        runrun = false;

        for (int i = 0; i < tests.length; i++) {

            try {

                tests[i].join();

            } catch (InterruptedException e) {

            }

        }

    }

    static String target;

    static {

        String s = "A Bidi object provides information on the bidirectional reordering of the text used to create it. This is required, for example, to properly display Arabic or Hebrew text. ";

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < 1000; i++) {

            sb.append(s);

        }

        target = sb.toString();

    }

    static void test1() {

        String str = "If this text is >" + target + "< the test passed.";

        int start = str.indexOf(target);

        int limit = start + target.length();

        AttributedString astr = new AttributedString(str);

        astr.addAttribute(TextAttribute.BIDI_EMBEDDING,

                         new Integer(-1),

                         start,

                         limit);

        Bidi bidi = new Bidi(astr.getIterator());

        byte[] embs = new byte[str.length() + 3];

        for (int i = start + 1; i < limit + 1; ++i) {

            embs[i] = -1;

        }

        Bidi bidi2 = new Bidi(str.toCharArray(), 0, embs, 1, str.length(), Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT);

        if (bidi.getRunCount() != 3 || bidi2.getRunCount() != 3) {

            throw new Error("Bidi run count incorrect");

        }

    }

    static void test2() {

        String str = "If this text is >" + target + "< the test passed.";

        int length = str.length();

        int start = str.indexOf(target);

        int limit = start + target.length();

        AttributedString astr = new AttributedString(str);

        astr.addAttribute(TextAttribute.RUN_DIRECTION, TextAttribute.RUN_DIRECTION_RTL);

        astr.addAttribute(TextAttribute.BIDI_EMBEDDING,

                         new Integer(-3),

                         start,

                         limit);

        Bidi bidi = new Bidi(astr.getIterator());

        if (bidi.getRunCount() != 6) { // runs of spaces and angles at embedding bound,s and final period, each get level 1

            throw new Error("Bidi embedding processing failed");

        }

    }

}