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 * 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.

 *

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import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

import java.util.logging.Level;

import java.util.logging.LogRecord;

import java.util.logging.SimpleFormatter;

/**

 * @test

 * @bug 8072645

 * @summary tests that LogRecord has nanos...

 * @run main LogRecordWithNanos

 * @author danielfuchs

 */

public class LogRecordWithNanos {

    static final int MILLIS_IN_SECOND = 1000;

    static final int NANOS_IN_MILLI = 1000_000;

    static final int NANOS_IN_SECOND = 1000_000_000;

    static final boolean verbose = false;

    static final class TestAssertException extends RuntimeException {

        TestAssertException(String msg) { super(msg); }

    }

    private static void assertEquals(long expected, long received, String msg) {

        if (expected != received) {

            throw new TestAssertException("Unexpected result for " + msg

                    + ".\n\texpected: " + expected

                    +  "\n\tactual:   " + received);

        } else if (verbose) {

            System.out.println("Got expected " + msg + ": " + received);

        }

    }

    /**

     * Serializes a log record, then deserializes it and check that both

     * records match.

     * @param record the log record to serialize & deserialize.

     * @throws IOException Unexpected.

     * @throws ClassNotFoundException  Unexpected.

     */

    public static void test(LogRecord record)

            throws IOException, ClassNotFoundException {

        // Format the given logRecord using the SimpleFormatter

        SimpleFormatter formatter = new SimpleFormatter();

        String str = formatter.format(record);

        // Serialize the given LogRecord

        final ByteArrayOutputStream baos = new ByteArrayOutputStream();

        final ObjectOutputStream oos = new ObjectOutputStream(baos);

        oos.writeObject(record);

        oos.flush();

        oos.close();

        // First checks that the log record can be deserialized

        final ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());

        final ObjectInputStream ois = new ObjectInputStream(bais);

        final LogRecord record2 = (LogRecord)ois.readObject();

        assertEquals(record.getMillis(), record2.getMillis(), "getMillis()");

        assertEquals(record.getInstant().getEpochSecond(),

                record2.getInstant().getEpochSecond(),

                "getInstant().getEpochSecond()");

        assertEquals(record.getInstant().getNano(),

                record2.getInstant().getNano(),

                "getInstant().getNano()");

        assertEquals(record.getInstant().toEpochMilli(),

                record2.getInstant().toEpochMilli(),

                "getInstant().toEpochMilli()");

        assertEquals(record.getMillis(),

                record.getInstant().toEpochMilli(),

                "getMillis()/getInstant().toEpochMilli()");

        assertEquals(record2.getMillis(),

                record2.getInstant().toEpochMilli(),

                "getMillis()/getInstant().toEpochMilli()");

        assertEquals((record.getMillis()%MILLIS_IN_SECOND)*NANOS_IN_MILLI

                + (record.getInstant().getNano() % NANOS_IN_MILLI),

                record.getInstant().getNano(),

                "record.getMillis()%1000)*1000_000"

                + " + record.getInstant().getNano()%1000_000 / getInstant().getNano()");

        assertEquals((record2.getMillis()%MILLIS_IN_SECOND)*NANOS_IN_MILLI

                + (record2.getInstant().getNano() % NANOS_IN_MILLI),

                record2.getInstant().getNano(),

                "record2.getMillis()%1000)*1000_000"

                + " + record2.getInstant().getNano()%1000_000 / getInstant().getNano()");

        // Format the deserialized LogRecord using the SimpleFormatter, and

        // check that the string representation obtained matches the string

        // representation of the original LogRecord

        String str2 = formatter.format(record2);

        if (!str.equals(str2))

            throw new RuntimeException("Unexpected values in deserialized object:"

                + "\n\tExpected:  " + str

                + "\n\tRetrieved: "+str);

    }

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

        int count=0;

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

            LogRecord record = new LogRecord(Level.INFO, "Java Version: {0}");

            record.setLoggerName("test");

            record.setParameters(new Object[] {System.getProperty("java.version")});

            if (record.getInstant().getNano() % 1000_000 != 0) {

                count++;

            }

            test(record);

        }

        if (count == 0) {

            throw new RuntimeException("Expected at least one record to have nanos");

        }

        System.out.println(count + "/1000 records had nano adjustment.");

    }

}