/*

 * Copyright (c) 2007, 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.

 */

/**

 *

 *

 * Check the consistency between the regression tests and the currency data in the JRE

 */

import java.io.*;

import java.lang.reflect.*;

import java.security.*;

class CheckDataVersion {

    static final String datafile = "tablea1.txt";

    static final String FILEVERSIONKEY = "FILEVERSION=";

    static final String DATAVERSIONKEY = "DATAVERSION=";

    static String fileVersion;

    static String dataVersion;

    static boolean checked = false;

    static void check() {

        if (!checked) {

            try {

                FileReader fr = new FileReader(new File(System.getProperty("test.src", "."), datafile));

                BufferedReader in = new BufferedReader(fr);

                String line;

                while ((line = in.readLine()) != null) {

                    if (line.startsWith(FILEVERSIONKEY)) {

                        fileVersion = line.substring(FILEVERSIONKEY.length());

                    }

                    if (line.startsWith(DATAVERSIONKEY)) {

                        dataVersion = line.substring(DATAVERSIONKEY.length());

                    }

                    if (fileVersion != null && dataVersion != null) {

                        break;

                    }

                }

            } catch (IOException ioe) {

                throw new RuntimeException(ioe);

            }

            AccessController.doPrivileged(new PrivilegedAction<Object>() {

                public Object run() {

                    try {

                        String sep = File.separator;

                        DataInputStream dis = new DataInputStream(new FileInputStream(System.getProperty("java.home")+sep+"lib"+sep+"currency.data"));

                        int magic = dis.readInt();

                        if (magic != 0x43757244) {

                            throw new RuntimeException("The magic number in the JRE's currency data is incorrect.  Expected: 0x43757244, Got: 0x"+magic);

                        }

                        int fileVerNumber = dis.readInt();

                        int dataVerNumber = dis.readInt();

                        if (Integer.parseInt(fileVersion) != fileVerNumber ||

                            Integer.parseInt(dataVersion) != dataVerNumber) {

                            throw new RuntimeException("Test data and JRE's currency data are inconsistent.  test: (file: "+fileVersion+" data: "+dataVersion+"), JRE: (file: "+fileVerNumber+" data: "+dataVerNumber+")");

                        }

System.out.println("test: (file: "+fileVersion+" data: "+dataVersion+"), JRE: (file: "+fileVerNumber+" data: "+dataVerNumber+")");

                    } catch (IOException ioe) {

                        throw new RuntimeException(ioe);

                    }

                    return null;

                }

            });

            checked = true;

        }

    }

}