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 * Copyright (c) 2018, 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
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 * questions.
 */
/*
 * @test
 * @bug 8177552
 * @modules jdk.localedata
 * @summary Checks the serialization feature of CompactNumberFormat
 */

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.math.RoundingMode;
import java.text.CompactNumberFormat;
import java.text.NumberFormat;
import java.util.Locale;

public class SerializationTest {

    public static void main(String[] args) {

        NumberFormat format1 = NumberFormat.getCompactNumberInstance(
                new Locale("hi"), NumberFormat.Style.SHORT);
        format1.setMinimumFractionDigits(2);
        format1.setMinimumIntegerDigits(5);

        CompactNumberFormat format2 = (CompactNumberFormat) NumberFormat
                .getCompactNumberInstance(Locale.US, NumberFormat.Style.LONG);
        format2.setRoundingMode(RoundingMode.HALF_UP);
        format2.setGroupingSize(3);

        NumberFormat format3 = NumberFormat.getCompactNumberInstance(
                Locale.JAPAN, NumberFormat.Style.SHORT);
        format3.setMaximumFractionDigits(30);
        format3.setMaximumIntegerDigits(30);

        NumberFormat format4 = NumberFormat.getCompactNumberInstance(
                Locale.FRANCE, NumberFormat.Style.LONG);
        format4.setParseIntegerOnly(true);
        format4.setGroupingUsed(true);

        // setting minimum integer digits beyond the allowed range
        NumberFormat format5 = NumberFormat.getCompactNumberInstance(
                Locale.GERMANY, NumberFormat.Style.SHORT);
        format5.setMinimumIntegerDigits(320);

        // setting minimum fraction digits beyond the allowed range
        NumberFormat format6 = NumberFormat.getCompactNumberInstance(
                Locale.KOREA, NumberFormat.Style.SHORT);
        format6.setMinimumFractionDigits(350);

        try {
            // serialize
            serialize("cdf.ser", format1, format2, format3, format4, format5, format6);
            // deserialize
            deserialize("cdf.ser", format1, format2, format3, format4, format5, format6);

        } catch (IOException ex) {
            throw new RuntimeException("[FAILED: Exception occured while"
                    + " serializing/deserializing]", ex);
        } catch (ClassNotFoundException ex) {
            throw new RuntimeException("[FAILED: Exception occured while"
                    + " deserializing the object]", ex);
        }

    }

    private static void serialize(String fileName, NumberFormat... formats)
            throws IOException {
        try (ObjectOutputStream os = new ObjectOutputStream(
                new FileOutputStream(fileName))) {
            for (NumberFormat fmt : formats) {
                os.writeObject(fmt);
            }
        }
    }

    private static void deserialize(String fileName, NumberFormat... formats)
            throws IOException, ClassNotFoundException {
        try (ObjectInputStream os = new ObjectInputStream(
                new FileInputStream(fileName))) {
            for (NumberFormat fmt : formats) {
                NumberFormat obj = (NumberFormat) os.readObject();
                if (!fmt.equals(obj)) {
                    throw new RuntimeException("serialized and deserialized"
                            + " objects do not match");
                }

                long number = 123456789789L;
                String expected = fmt.format(number);
                String actual = obj.format(number);
                if (!expected.equals(actual)) {
                    throw new RuntimeException("serialized and deserialized"
                            + " objects are expected to return similar formatted"
                            + " output for number: " + number + ", Expected: "
                            + expected + ", Actual: " + actual);
                }
            }
        }
    }
}