/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 * ident        "%Z%%M% %I%     %E% SMI"
 */

import org.opensolaris.os.dtrace.*;

/**
 * Regression for 6506495 -DJAVA_DTRACE_MAX_CONSUMERS=N for any N < 8
 * is treated as if it were 8.
 */
public class TestMaxConsumers {
    static final String MAX_CONSUMERS_PROPERTY_NAME =
            "JAVA_DTRACE_MAX_CONSUMERS";

    static Integer
    getIntegerProperty(String name)
    {
        Integer value = null;
        String property = System.getProperty(name);
        if (property != null && property.length() != 0) {
            try {
                value = Integer.parseInt(property);
            } catch (NumberFormatException e) {
                e.printStackTrace();
            }
        }
        return value;
    }

    public static void
    main(String[] args)
    {
        Integer property = getIntegerProperty(MAX_CONSUMERS_PROPERTY_NAME);
        int max = (property == null ? 0 : property);
        int n = (property == null ? 11 : (max < 1 ? 1 : max));

        Consumer[] consumers = new Consumer[n];
        try {
            for (int i = 0; i < n; ++i) {
                consumers[i] = new LocalConsumer();
                consumers[i].open();
            }
            for (int i = 0; i < n; ++i) {
                consumers[i].close();
            }
            for (int i = 0; i < n; ++i) {
                consumers[i] = new LocalConsumer();
                consumers[i].open();
            }
        } catch (Exception e) {
            e.printStackTrace();
            System.exit(1);
        }

        try {
            Consumer consumer = new LocalConsumer();
            consumer.open();
            if (max > 0) {
                System.out.println("Error: " + (max + 1) + " > " +
                        MAX_CONSUMERS_PROPERTY_NAME);
            } else {
                System.out.println("Success");
            }
            consumer.close();
        } catch (Exception e) {
            System.out.println("Success");
        } finally {
            for (int i = 0; i < n; ++i) {
                consumers[i].close();
            }
        }
    }
}