tck/java/time/chrono/serial/TCKChronoLocalDateSerialization.java

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/*
 * Copyright (c) 2008-2012, 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.ObjectStreamConstants;
import java.time.chrono.ChronoLocalDate;
import java.time.chrono.HijrahChronology;
import java.time.chrono.HijrahDate;
import java.time.chrono.JapaneseDate;
import java.time.chrono.JapaneseEra;
import java.time.chrono.MinguoDate;
import java.time.chrono.ThaiBuddhistDate;

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



import tck.java.time.AbstractTCKTest;

/**
 * Test serialization of built-in chronologies.
 */
@Test
public class TCKChronoLocalDateSerialization extends AbstractTCKTest {

    static final int CHRONO_TYPE = 1;            // java.time.chrono.Ser.CHRONO_TYPE
    static final int JAPANESE_DATE_TYPE = 4;     // java.time.chrono.Ser.JAPANESE_DATE_TYPE
    static final int HIJRAH_DATE_TYPE = 6;       // java.time.chrono.Ser.HIJRAH_DATE_TYPE
    static final int MINGUO_DATE_TYPE = 7;       // java.time.chrono.Ser.MINGUO_DATE_TYPE
    static final int THAIBUDDHIST_DATE_TYPE = 8; // java.time.chrono.Ser.THAIBUDDHIST_DATE_TYPE

    //-----------------------------------------------------------------------
    // Regular data factory for names and descriptions of available calendars
    //-----------------------------------------------------------------------
    @DataProvider(name = "calendars")
    Object[][] data_of_calendars() {
        return new Object[][]{
            {JapaneseDate.of(JapaneseEra.HEISEI, 25, 01, 05), JAPANESE_DATE_TYPE},
            {MinguoDate.of(102, 01, 05),                      MINGUO_DATE_TYPE},
            {ThaiBuddhistDate.of(2556, 01, 05),               THAIBUDDHIST_DATE_TYPE},
        };
    }


    //-----------------------------------------------------------------------
    // Test Serialization of Calendars
    //-----------------------------------------------------------------------
    @Test( dataProvider="calendars")
    public void test_ChronoSerialization(ChronoLocalDate date, int dateType) throws Exception {
        assertSerializable(date);
    }

    //-----------------------------------------------------------------------
    // Test that serialization produces exact sequence of bytes
    //-----------------------------------------------------------------------
    @Test(dataProvider="calendars")
    private void test_serialization_format(ChronoLocalDate date, int dateType) throws Exception {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        try (DataOutputStream dos = new DataOutputStream(baos) ) {
            dos.writeByte(dateType);
            dos.writeInt(date.get(YEAR));
            dos.writeByte(date.get(MONTH_OF_YEAR));
            dos.writeByte(date.get(DAY_OF_MONTH));
        }
        byte[] bytes = baos.toByteArray();
        assertSerializedBySer(date, bytes);
    }

    //-----------------------------------------------------------------------
    // Test HijrajDate serialization is a type, Chronology, year, month, day
    //-----------------------------------------------------------------------
    @Test()
    public void test_hijrahSerialization_format() throws Exception {
        HijrahChronology chrono = HijrahChronology.INSTANCE;
        HijrahDate date = HijrahDate.of(1433, 10, 29);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        // Expect the type of the HijrahDate in the stream
        byte[] hijrahDateBytes = new byte[] {HIJRAH_DATE_TYPE};

        // Literal reference to Hijrah-Umalqura Chronology
        byte[] hijrahChronoBytes = new byte[] {
            115, 113, 0, 126, 0, 0,                        /* p w \u0001 \u0006 s q \u0000 ~ \u0000 \u0000 */
            119, 18, 1, 0, 15, 72, 105, 106, 114, 97,      /* w \u0012 \u0001 \u0000 \u000f H i j r a */
            104, 45, 117, 109, 97, 108, 113, 117, 114, 97, /* h - u m a l q u r a */
            120,                                           /*  \u001d x */
        };

        // Build the sequence that represents the data in the stream
        baos = new ByteArrayOutputStream();
        try (DataOutputStream dos = new DataOutputStream(baos) ) {
            dos.writeByte(ObjectStreamConstants.TC_BLOCKDATA);
            dos.writeByte(6);   // 6 bytes follow
            dos.writeInt(date.get(YEAR));
            dos.writeByte(date.get(MONTH_OF_YEAR));
            dos.writeByte(date.get(DAY_OF_MONTH));
            dos.writeByte(ObjectStreamConstants.TC_ENDBLOCKDATA);
        }
        byte[] dateBytes = baos.toByteArray();

        assertSerializedBySer(date, hijrahDateBytes, hijrahChronoBytes, dateBytes);
    }


    //-----------------------------------------------------------------------
    // Regular data factory for names and descriptions of available calendars
    //-----------------------------------------------------------------------
    @DataProvider(name = "invalidSerialformClasses")
    Object[][] invalid_serial_classes() {
        return new Object[][]{
            {JapaneseEra.class},
            {JapaneseDate.class},
            {MinguoDate.class},
            {ThaiBuddhistDate.class},
            {HijrahDate.class},
        };
    }

    @Test(dataProvider="invalidSerialformClasses")
    public void test_invalid_serialform(Class<?> clazz) throws Exception {
        assertNotSerializable(clazz);
    }

}