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Java example source code file (TCKYear.java)

This example Java source code file (TCKYear.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

centuries, dataprovider, datetimeformatter, decades, list, localdate, millennia, object, override, temporalunit, test, test_2008, util, year, years

The TCKYear.java Java example source code

/*
 * Copyright (c) 2012, 2013, 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.
 */

/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file:
 *
 * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 *  * Neither the name of JSR-310 nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package tck.java.time;

import static java.time.temporal.ChronoField.ERA;
import static java.time.temporal.ChronoField.YEAR;
import static java.time.temporal.ChronoField.YEAR_OF_ERA;
import static java.time.temporal.ChronoUnit.CENTURIES;
import static java.time.temporal.ChronoUnit.DAYS;
import static java.time.temporal.ChronoUnit.DECADES;
import static java.time.temporal.ChronoUnit.MILLENNIA;
import static java.time.temporal.ChronoUnit.MONTHS;
import static java.time.temporal.ChronoUnit.YEARS;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.time.Clock;
import java.time.DateTimeException;
import java.time.Duration;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalTime;
import java.time.Month;
import java.time.MonthDay;
import java.time.OffsetDateTime;
import java.time.Period;
import java.time.Year;
import java.time.YearMonth;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.chrono.IsoChronology;
import java.time.chrono.IsoEra;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.time.temporal.ChronoField;
import java.time.temporal.ChronoUnit;
import java.time.temporal.JulianFields;
import java.time.temporal.Temporal;
import java.time.temporal.TemporalAccessor;
import java.time.temporal.TemporalAmount;
import java.time.temporal.TemporalField;
import java.time.temporal.TemporalQueries;
import java.time.temporal.TemporalQuery;
import java.time.temporal.TemporalUnit;
import java.time.temporal.UnsupportedTemporalTypeException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

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

/**
 * Test Year.
 */
@Test
public class TCKYear extends AbstractDateTimeTest {

    private static final Year TEST_2008 = Year.of(2008);

    @BeforeMethod
    public void setUp() {
    }

    //-----------------------------------------------------------------------
    @Override
    protected List<TemporalAccessor> samples() {
        TemporalAccessor[] array = {TEST_2008, };
        return Arrays.asList(array);
    }

    @Override
    protected List<TemporalField> validFields() {
        TemporalField[] array = {
            YEAR_OF_ERA,
            YEAR,
            ERA,
        };
        return Arrays.asList(array);
    }

    @Override
    protected List<TemporalField> invalidFields() {
        List<TemporalField> list = new ArrayList<>(Arrays.asList(ChronoField.values()));
        list.removeAll(validFields());
        list.add(JulianFields.JULIAN_DAY);
        list.add(JulianFields.MODIFIED_JULIAN_DAY);
        list.add(JulianFields.RATA_DIE);
        return list;
    }

    //-----------------------------------------------------------------------
    // now()
    //-----------------------------------------------------------------------
    @Test
    public void now() {
        Year expected = Year.now(Clock.systemDefaultZone());
        Year test = Year.now();
        for (int i = 0; i < 100; i++) {
            if (expected.equals(test)) {
                return;
            }
            expected = Year.now(Clock.systemDefaultZone());
            test = Year.now();
        }
        assertEquals(test, expected);
    }

    //-----------------------------------------------------------------------
    // now(ZoneId)
    //-----------------------------------------------------------------------
    @Test(expectedExceptions=NullPointerException.class)
    public void now_ZoneId_nullZoneId() {
        Year.now((ZoneId) null);
    }

    @Test
    public void now_ZoneId() {
        ZoneId zone = ZoneId.of("UTC+01:02:03");
        Year expected = Year.now(Clock.system(zone));
        Year test = Year.now(zone);
        for (int i = 0; i < 100; i++) {
            if (expected.equals(test)) {
                return;
            }
            expected = Year.now(Clock.system(zone));
            test = Year.now(zone);
        }
        assertEquals(test, expected);
    }

    //-----------------------------------------------------------------------
    // now(Clock)
    //-----------------------------------------------------------------------
    @Test
    public void now_Clock() {
        Instant instant = OffsetDateTime.of(LocalDate.of(2010, 12, 31), LocalTime.of(0, 0), ZoneOffset.UTC).toInstant();
        Clock clock = Clock.fixed(instant, ZoneOffset.UTC);
        Year test = Year.now(clock);
        assertEquals(test.getValue(), 2010);
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void now_Clock_nullClock() {
        Year.now((Clock) null);
    }

    //-----------------------------------------------------------------------
    @Test
    public void test_factory_int_singleton() {
        for (int i = -4; i <= 2104; i++) {
            Year test = Year.of(i);
            assertEquals(test.getValue(), i);
            assertEquals(Year.of(i), test);
        }
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_factory_int_tooLow() {
        Year.of(Year.MIN_VALUE - 1);
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_factory_int_tooHigh() {
        Year.of(Year.MAX_VALUE + 1);
    }

    //-----------------------------------------------------------------------
    @Test
    public void test_from_TemporalAccessor() {
        assertEquals(Year.from(LocalDate.of(2007, 7, 15)), Year.of(2007));
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_from_TemporalAccessor_invalid_noDerive() {
        Year.from(LocalTime.of(12, 30));
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void test_from_TemporalAccessor_null() {
        Year.from((TemporalAccessor) null);
    }

    //-----------------------------------------------------------------------
    // parse()
    //-----------------------------------------------------------------------
    @DataProvider(name="goodParseData")
    Object[][] provider_goodParseData() {
        return new Object[][] {
                {"0000", Year.of(0)},
                {"9999", Year.of(9999)},
                {"2000", Year.of(2000)},

                {"+12345678", Year.of(12345678)},
                {"+123456", Year.of(123456)},
                {"-1234", Year.of(-1234)},
                {"-12345678", Year.of(-12345678)},

                {"+" + Year.MAX_VALUE, Year.of(Year.MAX_VALUE)},
                {"" + Year.MIN_VALUE, Year.of(Year.MIN_VALUE)},
        };
    }

    @Test(dataProvider="goodParseData")
    public void factory_parse_success(String text, Year expected) {
        Year year = Year.parse(text);
        assertEquals(year, expected);
    }

    @DataProvider(name="badParseData")
    Object[][] provider_badParseData() {
        return new Object[][] {
                {"", 0},
                {"-00", 1},
                {"--01-0", 1},
                {"A01", 0},
                {"200", 0},
                {"2009/12", 4},

                {"-0000-10", 0},
                {"-12345678901-10", 11},
                {"+1-10", 1},
                {"+12-10", 1},
                {"+123-10", 1},
                {"+1234-10", 0},
                {"12345-10", 0},
                {"+12345678901-10", 11},
        };
    }

    @Test(dataProvider="badParseData", expectedExceptions=DateTimeParseException.class)
    public void factory_parse_fail(String text, int pos) {
        try {
            Year.parse(text);
            fail(String.format("Parse should have failed for %s at position %d", text, pos));
        } catch (DateTimeParseException ex) {
            assertEquals(ex.getParsedString(), text);
            assertEquals(ex.getErrorIndex(), pos);
            throw ex;
        }
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void factory_parse_nullText() {
        Year.parse(null);
    }

    //-----------------------------------------------------------------------
    // parse(DateTimeFormatter)
    //-----------------------------------------------------------------------
    @Test
    public void factory_parse_formatter() {
        DateTimeFormatter f = DateTimeFormatter.ofPattern("y");
        Year test = Year.parse("2010", f);
        assertEquals(test, Year.of(2010));
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void factory_parse_formatter_nullText() {
        DateTimeFormatter f = DateTimeFormatter.ofPattern("y");
        Year.parse((String) null, f);
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void factory_parse_formatter_nullFormatter() {
        Year.parse("ANY", null);
    }

    //-----------------------------------------------------------------------
    // isSupported(TemporalField)
    //-----------------------------------------------------------------------
    @Test
    public void test_isSupported_TemporalField() {
        assertEquals(TEST_2008.isSupported((TemporalField) null), false);
        assertEquals(TEST_2008.isSupported(ChronoField.NANO_OF_SECOND), false);
        assertEquals(TEST_2008.isSupported(ChronoField.NANO_OF_DAY), false);
        assertEquals(TEST_2008.isSupported(ChronoField.MICRO_OF_SECOND), false);
        assertEquals(TEST_2008.isSupported(ChronoField.MICRO_OF_DAY), false);
        assertEquals(TEST_2008.isSupported(ChronoField.MILLI_OF_SECOND), false);
        assertEquals(TEST_2008.isSupported(ChronoField.MILLI_OF_DAY), false);
        assertEquals(TEST_2008.isSupported(ChronoField.SECOND_OF_MINUTE), false);
        assertEquals(TEST_2008.isSupported(ChronoField.SECOND_OF_DAY), false);
        assertEquals(TEST_2008.isSupported(ChronoField.MINUTE_OF_HOUR), false);
        assertEquals(TEST_2008.isSupported(ChronoField.MINUTE_OF_DAY), false);
        assertEquals(TEST_2008.isSupported(ChronoField.HOUR_OF_AMPM), false);
        assertEquals(TEST_2008.isSupported(ChronoField.CLOCK_HOUR_OF_AMPM), false);
        assertEquals(TEST_2008.isSupported(ChronoField.HOUR_OF_DAY), false);
        assertEquals(TEST_2008.isSupported(ChronoField.CLOCK_HOUR_OF_DAY), false);
        assertEquals(TEST_2008.isSupported(ChronoField.AMPM_OF_DAY), false);
        assertEquals(TEST_2008.isSupported(ChronoField.DAY_OF_WEEK), false);
        assertEquals(TEST_2008.isSupported(ChronoField.ALIGNED_DAY_OF_WEEK_IN_MONTH), false);
        assertEquals(TEST_2008.isSupported(ChronoField.ALIGNED_DAY_OF_WEEK_IN_YEAR), false);
        assertEquals(TEST_2008.isSupported(ChronoField.DAY_OF_MONTH), false);
        assertEquals(TEST_2008.isSupported(ChronoField.DAY_OF_YEAR), false);
        assertEquals(TEST_2008.isSupported(ChronoField.EPOCH_DAY), false);
        assertEquals(TEST_2008.isSupported(ChronoField.ALIGNED_WEEK_OF_MONTH), false);
        assertEquals(TEST_2008.isSupported(ChronoField.ALIGNED_WEEK_OF_YEAR), false);
        assertEquals(TEST_2008.isSupported(ChronoField.MONTH_OF_YEAR), false);
        assertEquals(TEST_2008.isSupported(ChronoField.PROLEPTIC_MONTH), false);
        assertEquals(TEST_2008.isSupported(ChronoField.YEAR), true);
        assertEquals(TEST_2008.isSupported(ChronoField.YEAR_OF_ERA), true);
        assertEquals(TEST_2008.isSupported(ChronoField.ERA), true);
        assertEquals(TEST_2008.isSupported(ChronoField.INSTANT_SECONDS), false);
        assertEquals(TEST_2008.isSupported(ChronoField.OFFSET_SECONDS), false);
    }

    //-----------------------------------------------------------------------
    // isSupported(TemporalUnit)
    //-----------------------------------------------------------------------
    @Test
    public void test_isSupported_TemporalUnit() {
        assertEquals(TEST_2008.isSupported((TemporalUnit) null), false);
        assertEquals(TEST_2008.isSupported(ChronoUnit.NANOS), false);
        assertEquals(TEST_2008.isSupported(ChronoUnit.MICROS), false);
        assertEquals(TEST_2008.isSupported(ChronoUnit.MILLIS), false);
        assertEquals(TEST_2008.isSupported(ChronoUnit.SECONDS), false);
        assertEquals(TEST_2008.isSupported(ChronoUnit.MINUTES), false);
        assertEquals(TEST_2008.isSupported(ChronoUnit.HOURS), false);
        assertEquals(TEST_2008.isSupported(ChronoUnit.HALF_DAYS), false);
        assertEquals(TEST_2008.isSupported(ChronoUnit.DAYS), false);
        assertEquals(TEST_2008.isSupported(ChronoUnit.WEEKS), false);
        assertEquals(TEST_2008.isSupported(ChronoUnit.MONTHS), false);
        assertEquals(TEST_2008.isSupported(ChronoUnit.YEARS), true);
        assertEquals(TEST_2008.isSupported(ChronoUnit.DECADES), true);
        assertEquals(TEST_2008.isSupported(ChronoUnit.CENTURIES), true);
        assertEquals(TEST_2008.isSupported(ChronoUnit.MILLENNIA), true);
        assertEquals(TEST_2008.isSupported(ChronoUnit.ERAS), true);
        assertEquals(TEST_2008.isSupported(ChronoUnit.FOREVER), false);
    }

    //-----------------------------------------------------------------------
    // get(TemporalField)
    //-----------------------------------------------------------------------
    @Test
    public void test_get_TemporalField() {
        assertEquals(TEST_2008.get(ChronoField.YEAR), 2008);
        assertEquals(TEST_2008.get(ChronoField.YEAR_OF_ERA), 2008);
        assertEquals(TEST_2008.get(ChronoField.ERA), 1);
    }

    @Test
    public void test_getLong_TemporalField() {
        assertEquals(TEST_2008.getLong(ChronoField.YEAR), 2008);
        assertEquals(TEST_2008.getLong(ChronoField.YEAR_OF_ERA), 2008);
        assertEquals(TEST_2008.getLong(ChronoField.ERA), 1);
    }

    //-----------------------------------------------------------------------
    // query(TemporalQuery)
    //-----------------------------------------------------------------------
    @DataProvider(name="query")
    Object[][] data_query() {
        return new Object[][] {
                {TEST_2008, TemporalQueries.chronology(), IsoChronology.INSTANCE},
                {TEST_2008, TemporalQueries.zoneId(), null},
                {TEST_2008, TemporalQueries.precision(), ChronoUnit.YEARS},
                {TEST_2008, TemporalQueries.zone(), null},
                {TEST_2008, TemporalQueries.offset(), null},
                {TEST_2008, TemporalQueries.localDate(), null},
                {TEST_2008, TemporalQueries.localTime(), null},
        };
    }

    @Test(dataProvider="query")
    public <T> void test_query(TemporalAccessor temporal, TemporalQuery query, T expected) {
        assertEquals(temporal.query(query), expected);
    }

    @Test(dataProvider="query")
    public <T> void test_queryFrom(TemporalAccessor temporal, TemporalQuery query, T expected) {
        assertEquals(query.queryFrom(temporal), expected);
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void test_query_null() {
        TEST_2008.query(null);
    }

    //-----------------------------------------------------------------------
    // isLeap()
    //-----------------------------------------------------------------------
    @Test
    public void test_isLeap() {
        assertEquals(Year.of(1999).isLeap(), false);
        assertEquals(Year.of(2000).isLeap(), true);
        assertEquals(Year.of(2001).isLeap(), false);

        assertEquals(Year.of(2007).isLeap(), false);
        assertEquals(Year.of(2008).isLeap(), true);
        assertEquals(Year.of(2009).isLeap(), false);
        assertEquals(Year.of(2010).isLeap(), false);
        assertEquals(Year.of(2011).isLeap(), false);
        assertEquals(Year.of(2012).isLeap(), true);

        assertEquals(Year.of(2095).isLeap(), false);
        assertEquals(Year.of(2096).isLeap(), true);
        assertEquals(Year.of(2097).isLeap(), false);
        assertEquals(Year.of(2098).isLeap(), false);
        assertEquals(Year.of(2099).isLeap(), false);
        assertEquals(Year.of(2100).isLeap(), false);
        assertEquals(Year.of(2101).isLeap(), false);
        assertEquals(Year.of(2102).isLeap(), false);
        assertEquals(Year.of(2103).isLeap(), false);
        assertEquals(Year.of(2104).isLeap(), true);
        assertEquals(Year.of(2105).isLeap(), false);

        assertEquals(Year.of(-500).isLeap(), false);
        assertEquals(Year.of(-400).isLeap(), true);
        assertEquals(Year.of(-300).isLeap(), false);
        assertEquals(Year.of(-200).isLeap(), false);
        assertEquals(Year.of(-100).isLeap(), false);
        assertEquals(Year.of(0).isLeap(), true);
        assertEquals(Year.of(100).isLeap(), false);
        assertEquals(Year.of(200).isLeap(), false);
        assertEquals(Year.of(300).isLeap(), false);
        assertEquals(Year.of(400).isLeap(), true);
        assertEquals(Year.of(500).isLeap(), false);
    }

    //-----------------------------------------------------------------------
    // plus(Period)
    //-----------------------------------------------------------------------
    @DataProvider(name="plusValid")
    Object[][] data_plusValid() {
        return new Object[][] {
                {2012, Period.ofYears(0), 2012},
                {2012, Period.ofYears(1), 2013},
                {2012, Period.ofYears(2), 2014},
                {2012, Period.ofYears(-2), 2010},
        };
    }

    @Test(dataProvider="plusValid")
    public void test_plusValid(int year, TemporalAmount amount, int expected) {
        assertEquals(Year.of(year).plus(amount), Year.of(expected));
    }

    @DataProvider(name="plusInvalidUnit")
    Object[][] data_plusInvalidUnit() {
        return new Object[][] {
                {Period.of(0, 1, 0)},
                {Period.of(0, 0, 1)},
                {Period.of(0, 1, 1)},
                {Period.of(1, 1, 1)},
                {Duration.ofDays(1)},
                {Duration.ofHours(1)},
                {Duration.ofMinutes(1)},
                {Duration.ofSeconds(1)},
        };
    }

    @Test(dataProvider="plusInvalidUnit", expectedExceptions=UnsupportedTemporalTypeException.class)
    public void test_plusInvalidUnit(TemporalAmount amount) {
        TEST_2008.plus(amount);
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void test_plus_null() {
        TEST_2008.plus(null);
    }

    //-----------------------------------------------------------------------
    // plusYears()
    //-----------------------------------------------------------------------
    @Test
    public void test_plusYears() {
        assertEquals(Year.of(2007).plusYears(-1), Year.of(2006));
        assertEquals(Year.of(2007).plusYears(0), Year.of(2007));
        assertEquals(Year.of(2007).plusYears(1), Year.of(2008));
        assertEquals(Year.of(2007).plusYears(2), Year.of(2009));

        assertEquals(Year.of(Year.MAX_VALUE - 1).plusYears(1), Year.of(Year.MAX_VALUE));
        assertEquals(Year.of(Year.MAX_VALUE).plusYears(0), Year.of(Year.MAX_VALUE));

        assertEquals(Year.of(Year.MIN_VALUE + 1).plusYears(-1), Year.of(Year.MIN_VALUE));
        assertEquals(Year.of(Year.MIN_VALUE).plusYears(0), Year.of(Year.MIN_VALUE));
    }

    @Test
    public void test_plusYear_zero_equals() {
        Year base = Year.of(2007);
        assertEquals(base.plusYears(0), base);
    }

    @Test
    public void test_plusYears_big() {
        long years = 20L + Year.MAX_VALUE;
        assertEquals(Year.of(-40).plusYears(years), Year.of((int) (-40L + years)));
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_plusYears_max() {
        Year.of(Year.MAX_VALUE).plusYears(1);
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_plusYears_maxLots() {
        Year.of(Year.MAX_VALUE).plusYears(1000);
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_plusYears_min() {
        Year.of(Year.MIN_VALUE).plusYears(-1);
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_plusYears_minLots() {
        Year.of(Year.MIN_VALUE).plusYears(-1000);
    }

    //-----------------------------------------------------------------------
    // plus(long, TemporalUnit)
    //-----------------------------------------------------------------------
    @DataProvider(name="plus_long_TemporalUnit")
    Object[][] data_plus_long_TemporalUnit() {
        return new Object[][] {
            {Year.of(1), 1, ChronoUnit.YEARS, Year.of(2), null},
            {Year.of(1), -12, ChronoUnit.YEARS, Year.of(-11), null},
            {Year.of(1), 0, ChronoUnit.YEARS, Year.of(1), null},
            {Year.of(999999999), 0, ChronoUnit.YEARS, Year.of(999999999), null},
            {Year.of(-999999999), 0, ChronoUnit.YEARS, Year.of(-999999999), null},
            {Year.of(0), -999999999, ChronoUnit.YEARS, Year.of(-999999999), null},
            {Year.of(0), 999999999, ChronoUnit.YEARS, Year.of(999999999), null},

            {Year.of(-1), 1, ChronoUnit.ERAS, Year.of(2), null},
            {Year.of(5), 1, ChronoUnit.CENTURIES, Year.of(105), null},
            {Year.of(5), 1, ChronoUnit.DECADES, Year.of(15), null},

            {Year.of(999999999), 1, ChronoUnit.YEARS, null, DateTimeException.class},
            {Year.of(-999999999), -1, ChronoUnit.YEARS, null, DateTimeException.class},

            {Year.of(1), 0, ChronoUnit.DAYS, null, DateTimeException.class},
            {Year.of(1), 0, ChronoUnit.WEEKS, null, DateTimeException.class},
            {Year.of(1), 0, ChronoUnit.MONTHS, null, DateTimeException.class},
        };
    }

    @Test(dataProvider="plus_long_TemporalUnit")
    public void test_plus_long_TemporalUnit(Year base, long amount, TemporalUnit unit, Year expectedYear, Class<?> expectedEx) {
        if (expectedEx == null) {
            assertEquals(base.plus(amount, unit), expectedYear);
        } else {
            try {
                base.plus(amount, unit);
                fail();
            } catch (Exception ex) {
                assertTrue(expectedEx.isInstance(ex));
            }
        }
    }

    //-----------------------------------------------------------------------
    // minus(Period)
    //-----------------------------------------------------------------------
    @DataProvider(name="minusValid")
    Object[][] data_minusValid() {
        return new Object[][] {
                {2012, Period.ofYears(0), 2012},
                {2012, Period.ofYears(1), 2011},
                {2012, Period.ofYears(2), 2010},
                {2012, Period.ofYears(-2), 2014},
        };
    }

    @Test(dataProvider="minusValid")
    public void test_minusValid(int year, TemporalAmount amount, int expected) {
        assertEquals(Year.of(year).minus(amount), Year.of(expected));
    }

    @DataProvider(name="minusInvalidUnit")
    Object[][] data_minusInvalidUnit() {
        return new Object[][] {
                {Period.of(0, 1, 0)},
                {Period.of(0, 0, 1)},
                {Period.of(0, 1, 1)},
                {Period.of(1, 1, 1)},
                {Duration.ofDays(1)},
                {Duration.ofHours(1)},
                {Duration.ofMinutes(1)},
                {Duration.ofSeconds(1)},
        };
    }

    @Test(dataProvider="minusInvalidUnit", expectedExceptions=UnsupportedTemporalTypeException.class)
    public void test_minusInvalidUnit(TemporalAmount amount) {
        TEST_2008.minus(amount);
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void test_minus_null() {
        TEST_2008.minus(null);
    }

    //-----------------------------------------------------------------------
    // minusYears()
    //-----------------------------------------------------------------------
    @Test
    public void test_minusYears() {
        assertEquals(Year.of(2007).minusYears(-1), Year.of(2008));
        assertEquals(Year.of(2007).minusYears(0), Year.of(2007));
        assertEquals(Year.of(2007).minusYears(1), Year.of(2006));
        assertEquals(Year.of(2007).minusYears(2), Year.of(2005));

        assertEquals(Year.of(Year.MAX_VALUE - 1).minusYears(-1), Year.of(Year.MAX_VALUE));
        assertEquals(Year.of(Year.MAX_VALUE).minusYears(0), Year.of(Year.MAX_VALUE));

        assertEquals(Year.of(Year.MIN_VALUE + 1).minusYears(1), Year.of(Year.MIN_VALUE));
        assertEquals(Year.of(Year.MIN_VALUE).minusYears(0), Year.of(Year.MIN_VALUE));
    }

    @Test
    public void test_minusYear_zero_equals() {
        Year base = Year.of(2007);
        assertEquals(base.minusYears(0), base);
    }

    @Test
    public void test_minusYears_big() {
        long years = 20L + Year.MAX_VALUE;
        assertEquals(Year.of(40).minusYears(years), Year.of((int) (40L - years)));
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_minusYears_max() {
        Year.of(Year.MAX_VALUE).minusYears(-1);
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_minusYears_maxLots() {
        Year.of(Year.MAX_VALUE).minusYears(-1000);
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_minusYears_min() {
        Year.of(Year.MIN_VALUE).minusYears(1);
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_minusYears_minLots() {
        Year.of(Year.MIN_VALUE).minusYears(1000);
    }

    //-----------------------------------------------------------------------
    // minus(long, TemporalUnit)
    //-----------------------------------------------------------------------
    @DataProvider(name="minus_long_TemporalUnit")
    Object[][] data_minus_long_TemporalUnit() {
        return new Object[][] {
            {Year.of(1), 1, ChronoUnit.YEARS, Year.of(0), null},
            {Year.of(1), -12, ChronoUnit.YEARS, Year.of(13), null},
            {Year.of(1), 0, ChronoUnit.YEARS, Year.of(1), null},
            {Year.of(999999999), 0, ChronoUnit.YEARS, Year.of(999999999), null},
            {Year.of(-999999999), 0, ChronoUnit.YEARS, Year.of(-999999999), null},
            {Year.of(0), -999999999, ChronoUnit.YEARS, Year.of(999999999), null},
            {Year.of(0), 999999999, ChronoUnit.YEARS, Year.of(-999999999), null},

            {Year.of(999999999), 1, ChronoUnit.ERAS, Year.of(-999999999 + 1), null},
            {Year.of(105), 1, ChronoUnit.CENTURIES, Year.of(5), null},
            {Year.of(15), 1, ChronoUnit.DECADES, Year.of(5), null},

            {Year.of(-999999999), 1, ChronoUnit.YEARS, null, DateTimeException.class},
            {Year.of(1), -999999999, ChronoUnit.YEARS, null, DateTimeException.class},

            {Year.of(1), 0, ChronoUnit.DAYS, null, DateTimeException.class},
            {Year.of(1), 0, ChronoUnit.WEEKS, null, DateTimeException.class},
            {Year.of(1), 0, ChronoUnit.MONTHS, null, DateTimeException.class},
        };
    }

    @Test(dataProvider="minus_long_TemporalUnit")
    public void test_minus_long_TemporalUnit(Year base, long amount, TemporalUnit unit, Year expectedYear, Class<?> expectedEx) {
        if (expectedEx == null) {
            assertEquals(base.minus(amount, unit), expectedYear);
        } else {
            try {
                Year result = base.minus(amount, unit);
                fail();
            } catch (Exception ex) {
                assertTrue(expectedEx.isInstance(ex));
            }
        }
    }

    //-----------------------------------------------------------------------
    // adjustInto()
    //-----------------------------------------------------------------------
    @Test
    public void test_adjustDate() {
        LocalDate base = LocalDate.of(2007, 2, 12);
        for (int i = -4; i <= 2104; i++) {
            Temporal result = Year.of(i).adjustInto(base);
            assertEquals(result, LocalDate.of(i, 2, 12));
        }
    }

    @Test
    public void test_adjustDate_resolve() {
        Year test = Year.of(2011);
        assertEquals(test.adjustInto(LocalDate.of(2012, 2, 29)), LocalDate.of(2011, 2, 28));
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void test_adjustDate_nullLocalDate() {
        Year test = Year.of(1);
        test.adjustInto((LocalDate) null);
    }

    //-----------------------------------------------------------------------
    // with(TemporalAdjuster)
    //-----------------------------------------------------------------------
    @Test
    public void test_with_TemporalAdjuster() {
        Year base = Year.of(-10);
        for (int i = -4; i <= 2104; i++) {
            Temporal result = base.with(Year.of(i));
            assertEquals(result, Year.of(i));
        }
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_with_BadTemporalAdjuster() {
        Year test = Year.of(1);
        test.with(LocalTime.of(18, 1, 2));
    }

    //-----------------------------------------------------------------------
    // with(TemporalField, long)
    //-----------------------------------------------------------------------
    @Test
    public void test_with() {
        Year base = Year.of(5);
        Year result = base.with(ChronoField.ERA, 0);
        assertEquals(result, base.with(IsoEra.of(0)));

        int prolepticYear = IsoChronology.INSTANCE.prolepticYear(IsoEra.of(0), 5);
        assertEquals(result.get(ChronoField.ERA), 0);
        assertEquals(result.get(ChronoField.YEAR), prolepticYear);
        assertEquals(result.get(ChronoField.YEAR_OF_ERA), 5);

        result = base.with(ChronoField.YEAR, 10);
        assertEquals(result.get(ChronoField.ERA), base.get(ChronoField.ERA));
        assertEquals(result.get(ChronoField.YEAR), 10);
        assertEquals(result.get(ChronoField.YEAR_OF_ERA), 10);

        result = base.with(ChronoField.YEAR_OF_ERA, 20);
        assertEquals(result.get(ChronoField.ERA), base.get(ChronoField.ERA));
        assertEquals(result.get(ChronoField.YEAR), 20);
        assertEquals(result.get(ChronoField.YEAR_OF_ERA), 20);
    }

    //-----------------------------------------------------------------------
    // length()
    //-----------------------------------------------------------------------
    @Test
    public void test_length() {
        assertEquals(Year.of(1999).length(), 365);
        assertEquals(Year.of(2000).length(), 366);
        assertEquals(Year.of(2001).length(), 365);

        assertEquals(Year.of(2007).length(), 365);
        assertEquals(Year.of(2008).length(), 366);
        assertEquals(Year.of(2009).length(), 365);
        assertEquals(Year.of(2010).length(), 365);
        assertEquals(Year.of(2011).length(), 365);
        assertEquals(Year.of(2012).length(), 366);

        assertEquals(Year.of(2095).length(), 365);
        assertEquals(Year.of(2096).length(), 366);
        assertEquals(Year.of(2097).length(), 365);
        assertEquals(Year.of(2098).length(), 365);
        assertEquals(Year.of(2099).length(), 365);
        assertEquals(Year.of(2100).length(), 365);
        assertEquals(Year.of(2101).length(), 365);
        assertEquals(Year.of(2102).length(), 365);
        assertEquals(Year.of(2103).length(), 365);
        assertEquals(Year.of(2104).length(), 366);
        assertEquals(Year.of(2105).length(), 365);

        assertEquals(Year.of(-500).length(), 365);
        assertEquals(Year.of(-400).length(), 366);
        assertEquals(Year.of(-300).length(), 365);
        assertEquals(Year.of(-200).length(), 365);
        assertEquals(Year.of(-100).length(), 365);
        assertEquals(Year.of(0).length(), 366);
        assertEquals(Year.of(100).length(), 365);
        assertEquals(Year.of(200).length(), 365);
        assertEquals(Year.of(300).length(), 365);
        assertEquals(Year.of(400).length(), 366);
        assertEquals(Year.of(500).length(), 365);
    }

    //-----------------------------------------------------------------------
    // isValidMonthDay(MonthDay)
    //-----------------------------------------------------------------------
    @DataProvider(name="isValidMonthDay")
    Object[][] data_isValidMonthDay() {
        return new Object[][] {
                {Year.of(2007), MonthDay.of(6, 30), true},
                {Year.of(2008), MonthDay.of(2, 28), true},
                {Year.of(2008), MonthDay.of(2, 29), true},
                {Year.of(2009), MonthDay.of(2, 28), true},
                {Year.of(2009), MonthDay.of(2, 29), false},
                {Year.of(2009), null, false},
        };
    }

    @Test(dataProvider="isValidMonthDay")
    public void test_isValidMonthDay(Year year, MonthDay monthDay, boolean expected) {
        assertEquals(year.isValidMonthDay(monthDay), expected);
    }

    //-----------------------------------------------------------------------
    // until(Temporal, TemporalUnit)
    //-----------------------------------------------------------------------
    @DataProvider(name="periodUntilUnit")
    Object[][] data_periodUntilUnit() {
        return new Object[][] {
                {Year.of(2000), Year.of(-1), YEARS, -2001},
                {Year.of(2000), Year.of(0), YEARS, -2000},
                {Year.of(2000), Year.of(1), YEARS, -1999},
                {Year.of(2000), Year.of(1998), YEARS, -2},
                {Year.of(2000), Year.of(1999), YEARS, -1},
                {Year.of(2000), Year.of(2000), YEARS, 0},
                {Year.of(2000), Year.of(2001), YEARS, 1},
                {Year.of(2000), Year.of(2002), YEARS, 2},
                {Year.of(2000), Year.of(2246), YEARS, 246},

                {Year.of(2000), Year.of(-1), DECADES, -200},
                {Year.of(2000), Year.of(0), DECADES, -200},
                {Year.of(2000), Year.of(1), DECADES, -199},
                {Year.of(2000), Year.of(1989), DECADES, -1},
                {Year.of(2000), Year.of(1990), DECADES, -1},
                {Year.of(2000), Year.of(1991), DECADES, 0},
                {Year.of(2000), Year.of(2000), DECADES, 0},
                {Year.of(2000), Year.of(2009), DECADES, 0},
                {Year.of(2000), Year.of(2010), DECADES, 1},
                {Year.of(2000), Year.of(2011), DECADES, 1},

                {Year.of(2000), Year.of(-1), CENTURIES, -20},
                {Year.of(2000), Year.of(0), CENTURIES, -20},
                {Year.of(2000), Year.of(1), CENTURIES, -19},
                {Year.of(2000), Year.of(1899), CENTURIES, -1},
                {Year.of(2000), Year.of(1900), CENTURIES, -1},
                {Year.of(2000), Year.of(1901), CENTURIES, 0},
                {Year.of(2000), Year.of(2000), CENTURIES, 0},
                {Year.of(2000), Year.of(2099), CENTURIES, 0},
                {Year.of(2000), Year.of(2100), CENTURIES, 1},
                {Year.of(2000), Year.of(2101), CENTURIES, 1},

                {Year.of(2000), Year.of(-1), MILLENNIA, -2},
                {Year.of(2000), Year.of(0), MILLENNIA, -2},
                {Year.of(2000), Year.of(1), MILLENNIA, -1},
                {Year.of(2000), Year.of(999), MILLENNIA, -1},
                {Year.of(2000), Year.of(1000), MILLENNIA, -1},
                {Year.of(2000), Year.of(1001), MILLENNIA, 0},
                {Year.of(2000), Year.of(2000), MILLENNIA, 0},
                {Year.of(2000), Year.of(2999), MILLENNIA, 0},
                {Year.of(2000), Year.of(3000), MILLENNIA, 1},
                {Year.of(2000), Year.of(3001), MILLENNIA, 1},
        };
    }

    @Test(dataProvider="periodUntilUnit")
    public void test_until_TemporalUnit(Year year1, Year year2, TemporalUnit unit, long expected) {
        long amount = year1.until(year2, unit);
        assertEquals(amount, expected);
    }

    @Test(dataProvider="periodUntilUnit")
    public void test_until_TemporalUnit_negated(Year year1, Year year2, TemporalUnit unit, long expected) {
        long amount = year2.until(year1, unit);
        assertEquals(amount, -expected);
    }

    @Test(dataProvider="periodUntilUnit")
    public void test_until_TemporalUnit_between(Year year1, Year year2, TemporalUnit unit, long expected) {
        long amount = unit.between(year1, year2);
        assertEquals(amount, expected);
    }

    @Test
    public void test_until_convertedType() {
        Year start = Year.of(2010);
        YearMonth end = start.plusYears(2).atMonth(Month.APRIL);
        assertEquals(start.until(end, YEARS), 2);
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_until_invalidType() {
        Year start = Year.of(2010);
        start.until(LocalTime.of(11, 30), YEARS);
    }

    @Test(expectedExceptions = UnsupportedTemporalTypeException.class)
    public void test_until_TemporalUnit_unsupportedUnit() {
        TEST_2008.until(TEST_2008, MONTHS);
    }

    @Test(expectedExceptions = NullPointerException.class)
    public void test_until_TemporalUnit_nullEnd() {
        TEST_2008.until(null, DAYS);
    }

    @Test(expectedExceptions = NullPointerException.class)
    public void test_until_TemporalUnit_nullUnit() {
        TEST_2008.until(TEST_2008, null);
    }

    //-----------------------------------------------------------------------
    // format(DateTimeFormatter)
    //-----------------------------------------------------------------------
    @Test
    public void test_format_formatter() {
        DateTimeFormatter f = DateTimeFormatter.ofPattern("y");
        String t = Year.of(2010).format(f);
        assertEquals(t, "2010");
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void test_format_formatter_null() {
        Year.of(2010).format(null);
    }

    //-----------------------------------------------------------------------
    // atMonth(Month)
    //-----------------------------------------------------------------------
    @Test
    public void test_atMonth() {
        Year test = Year.of(2008);
        assertEquals(test.atMonth(Month.JUNE), YearMonth.of(2008, 6));
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void test_atMonth_nullMonth() {
        Year test = Year.of(2008);
        test.atMonth((Month) null);
    }

    //-----------------------------------------------------------------------
    // atMonth(int)
    //-----------------------------------------------------------------------
    @Test
    public void test_atMonth_int() {
        Year test = Year.of(2008);
        assertEquals(test.atMonth(6), YearMonth.of(2008, 6));
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_atMonth_int_invalidMonth() {
        Year test = Year.of(2008);
        test.atMonth(13);
    }

    //-----------------------------------------------------------------------
    // atMonthDay(MonthDay)
    //-----------------------------------------------------------------------
    @DataProvider(name="atMonthDay")
    Object[][] data_atMonthDay() {
        return new Object[][] {
                {Year.of(2008), MonthDay.of(6, 30), LocalDate.of(2008, 6, 30)},
                {Year.of(2008), MonthDay.of(2, 29), LocalDate.of(2008, 2, 29)},
                {Year.of(2009), MonthDay.of(2, 29), LocalDate.of(2009, 2, 28)},
        };
    }

    @Test(dataProvider="atMonthDay")
    public void test_atMonthDay(Year year, MonthDay monthDay, LocalDate expected) {
        assertEquals(year.atMonthDay(monthDay), expected);
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void test_atMonthDay_nullMonthDay() {
        Year test = Year.of(2008);
        test.atMonthDay((MonthDay) null);
    }

    //-----------------------------------------------------------------------
    // atDay(int)
    //-----------------------------------------------------------------------
    @Test
    public void test_atDay_notLeapYear() {
        Year test = Year.of(2007);
        LocalDate expected = LocalDate.of(2007, 1, 1);
        for (int i = 1; i <= 365; i++) {
            assertEquals(test.atDay(i), expected);
            expected = expected.plusDays(1);
        }
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_atDay_notLeapYear_day366() {
        Year test = Year.of(2007);
        test.atDay(366);
    }

    @Test
    public void test_atDay_leapYear() {
        Year test = Year.of(2008);
        LocalDate expected = LocalDate.of(2008, 1, 1);
        for (int i = 1; i <= 366; i++) {
            assertEquals(test.atDay(i), expected);
            expected = expected.plusDays(1);
        }
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_atDay_day0() {
        Year test = Year.of(2007);
        test.atDay(0);
    }

    @Test(expectedExceptions=DateTimeException.class)
    public void test_atDay_day367() {
        Year test = Year.of(2007);
        test.atDay(367);
    }

    //-----------------------------------------------------------------------
    // compareTo()
    //-----------------------------------------------------------------------
    @Test
    public void test_compareTo() {
        for (int i = -4; i <= 2104; i++) {
            Year a = Year.of(i);
            for (int j = -4; j <= 2104; j++) {
                Year b = Year.of(j);
                if (i < j) {
                    assertEquals(a.compareTo(b) < 0, true);
                    assertEquals(b.compareTo(a) > 0, true);
                    assertEquals(a.isAfter(b), false);
                    assertEquals(a.isBefore(b), true);
                    assertEquals(b.isAfter(a), true);
                    assertEquals(b.isBefore(a), false);
                } else if (i > j) {
                    assertEquals(a.compareTo(b) > 0, true);
                    assertEquals(b.compareTo(a) < 0, true);
                    assertEquals(a.isAfter(b), true);
                    assertEquals(a.isBefore(b), false);
                    assertEquals(b.isAfter(a), false);
                    assertEquals(b.isBefore(a), true);
                } else {
                    assertEquals(a.compareTo(b), 0);
                    assertEquals(b.compareTo(a), 0);
                    assertEquals(a.isAfter(b), false);
                    assertEquals(a.isBefore(b), false);
                    assertEquals(b.isAfter(a), false);
                    assertEquals(b.isBefore(a), false);
                }
            }
        }
    }

    @Test(expectedExceptions=NullPointerException.class)
    public void test_compareTo_nullYear() {
        Year doy = null;
        Year test = Year.of(1);
        test.compareTo(doy);
    }

    //-----------------------------------------------------------------------
    // equals() / hashCode()
    //-----------------------------------------------------------------------
    @Test
    public void test_equals() {
        for (int i = -4; i <= 2104; i++) {
            Year a = Year.of(i);
            for (int j = -4; j <= 2104; j++) {
                Year b = Year.of(j);
                assertEquals(a.equals(b), i == j);
                assertEquals(a.hashCode() == b.hashCode(), i == j);
            }
        }
    }

    @Test
    public void test_equals_same() {
        Year test = Year.of(2011);
        assertEquals(test.equals(test), true);
    }

    @Test
    public void test_equals_nullYear() {
        Year doy = null;
        Year test = Year.of(1);
        assertEquals(test.equals(doy), false);
    }

    @Test
    public void test_equals_incorrectType() {
        Year test = Year.of(1);
        assertEquals(test.equals("Incorrect type"), false);
    }

    //-----------------------------------------------------------------------
    // toString()
    //-----------------------------------------------------------------------
    @Test
    public void test_toString() {
        for (int i = -4; i <= 2104; i++) {
            Year a = Year.of(i);
            assertEquals(a.toString(), "" + i);
        }
    }

}

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