/*

 * Copyright (c) 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.

 */

/*

 * @test

 * @bug 7158800

 * @run shell/timeout=400 Test7158800.sh

 * @summary This test performs poorly if alternate hashing isn't used for

 * string table.

 * The timeout is handled by the shell file (which kills the process)

 */

import java.util.*;

import java.io.*;

public class InternTest {

    public static void main (String args[]) throws Exception {

        final String badStringsFilename = "badstrings.txt";

        if (args.length == 0 || (!args[0].equals("bad") && !args[0].equals("normal"))) {

            System.out.println("Usage:  java InternTest [normal|bad]");

            System.exit(1);

        }

        FileInputStream fstream = new FileInputStream(badStringsFilename);

        DataInputStream in = new DataInputStream(fstream);

        BufferedReader br = new BufferedReader(new InputStreamReader(in));

        String toIntern, toDiscard;

        int count = 0;

        long current = 0L;

        long last = System.currentTimeMillis();

        if (args[0].equals("bad")) {

            while ((toIntern = br.readLine()) != null) {

                toDiscard = new String((new Integer((int)(Math.random() * Integer.MAX_VALUE))).toString());

                toIntern.intern();

                count++;

                if (count % 10000 == 0 && count != 0) {

                    current = System.currentTimeMillis();

                    System.out.println(new Date(current) + ": interned " + count + " 0-hash strings - last 10000 took " + ((float)(current - last))/1000 + "s (" + ((float)(current - last))/10000000 + "s per String)");

                    last = current;

                }

            }

        }

        if (args[0].equals("normal")) {

            while ((toDiscard = br.readLine()) != null) { // do the same read from the file to try and make the test fair

                toIntern = new String((new Integer((int)(Math.random() * Integer.MAX_VALUE))).toString());

                toIntern.intern();

                count++;

                if (count % 10000 == 0 && count != 0) {

                    current = System.currentTimeMillis();

                    System.out.println(new Date(current) + ": interned " + count + " normal strings - last 10000 took " + ((float)(current - last))/1000 + "s (" + ((float)(current - last))/10000000 + "s per String)");

                    last = current;

                }

            }

        }

        in.close();

    }

}