TCKEraSerialization.java

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 * Copyright (c) 2011-2012, Stephen Colebourne & Michael Nascimento Santos
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package tck.java.time.chrono.serial;


import static java.time.temporal.ChronoField.DAY_OF_MONTH;
import static java.time.temporal.ChronoField.MONTH_OF_YEAR;
import static java.time.temporal.ChronoField.YEAR;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.time.chrono.ChronoLocalDate;
import java.time.chrono.Era;
import java.time.chrono.HijrahEra;
import java.time.chrono.IsoEra;
import java.time.chrono.JapaneseEra;
import java.time.chrono.MinguoEra;
import java.time.chrono.ThaiBuddhistEra;

import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import tck.java.time.AbstractTCKTest;

/**
 * Tests the built-in Eras are serializable.
 * Note that the serialized form of IsoEra, MinguoEra, ThaiBuddhistEra,
 * and HijrahEra are defined and provided by Enum.
 * The serialized form of these types are not tested, only that they are
 * serializable.
 */
@Test
public class TCKEraSerialization extends AbstractTCKTest {

    static final int JAPANESE_ERA_TYPE = 5;     // java.time.chrono.Ser.JAPANESE_ERA


    //-----------------------------------------------------------------------
    // Regular data factory for the available Eras
    //-----------------------------------------------------------------------
    @DataProvider(name = "Eras")
    Era[][] data_of_calendars() {
        return new Era[][] {
                    {HijrahEra.AH},
                    {IsoEra.BCE},
                    {IsoEra.CE},
                    {MinguoEra.BEFORE_ROC},
                    {MinguoEra.ROC},
                    {ThaiBuddhistEra.BEFORE_BE},
                    {ThaiBuddhistEra.BE},
        };
    }

    @Test(dataProvider="Eras")
    public void test_eraSerialization(Era era) throws IOException, ClassNotFoundException {
        assertSerializableSame(era);
    }

    //-----------------------------------------------------------------------
    // Test JapaneseEra serialization produces exact sequence of bytes
    //-----------------------------------------------------------------------
    @Test
    private void test_JapaneseErasSerialization() throws Exception {
        for (JapaneseEra era : JapaneseEra.values()) {
            assertSerializableSame(era);

            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            try (DataOutputStream dos = new DataOutputStream(baos) ) {
                dos.writeByte(JAPANESE_ERA_TYPE);
                dos.writeByte(era.getValue());
            }
            byte[] bytes = baos.toByteArray();
            assertSerializedBySer(era, bytes);
        }
    }

}