334 lines
12 KiB
Java
334 lines
12 KiB
Java
/*
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* Copyright (c) 2003, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4359204 4928615 4743587 4956232 6459836 6549953
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* @run junit/othervm GregorianCutoverTest
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* @summary Unit tests related to the Gregorian cutover support.
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*/
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import java.util.Date;
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import java.util.Locale;
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import java.util.TimeZone;
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import static java.util.GregorianCalendar.*;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.BeforeAll;
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import static org.junit.jupiter.api.Assertions.fail;
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public class GregorianCutoverTest {
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// Change JVM default Locale and TimeZone
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@BeforeAll
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static void initAll() {
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Locale.setDefault(Locale.US);
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TimeZone.setDefault(TimeZone.getTimeZone("GMT"));
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}
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/**
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* 4359204: GregorianCalendar.get(cal.DAY_OF_YEAR) is inconsistent for year 1582
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*/
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@Test
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public void Test4359204() {
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Koyomi cal = new Koyomi();
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cal.set(1582, JANUARY, 1);
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checkContinuity(cal, DAY_OF_YEAR);
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checkContinuity(cal, WEEK_OF_YEAR);
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cal.set(1582, OCTOBER, 1);
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checkContinuity(cal, WEEK_OF_MONTH);
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// JCK tests the cutover date 1970-1-1 (Epoch)
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cal.setGregorianChange(new Date(0));
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cal.set(1969, JANUARY, 1);
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checkContinuity(cal, DAY_OF_YEAR);
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checkContinuity(cal, WEEK_OF_YEAR);
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cal.set(1969, DECEMBER, 1);
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checkContinuity(cal, WEEK_OF_MONTH);
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cal.set(1970, JANUARY, 1);
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checkContinuity(cal, DAY_OF_YEAR);
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checkContinuity(cal, WEEK_OF_YEAR);
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// Use large date (year >= 50000)
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@SuppressWarnings("deprecation")
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Date d = new Date(50000 - 1900, JANUARY, 20);
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cal.setGregorianChange(d);
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cal.set(49998, JANUARY, 1);
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checkContinuity(cal, DAY_OF_YEAR);
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checkContinuity(cal, WEEK_OF_YEAR);
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cal.set(49999, JANUARY, 1);
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checkContinuity(cal, DAY_OF_YEAR);
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checkContinuity(cal, WEEK_OF_YEAR);
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cal.set(50000, JANUARY, 20);
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checkContinuity(cal, DAY_OF_YEAR);
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checkContinuity(cal, WEEK_OF_YEAR);
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// Handling of "overlapping" dates may still be incorrect as
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// of 1.5. Also, there's no way to disambiguate "overlapping"
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// dates.
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// millis=-112033929600000: date=-1581-10-15T00:00:00.000Z
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cal.setGregorianChange(new Date(-112033929600000L));
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cal.set(ERA, AD);
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cal.set(-1581, JANUARY, 1);
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// The year should have 379 days.
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checkContinuity(cal, DAY_OF_YEAR);
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checkContinuity(cal, WEEK_OF_YEAR);
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System.out.println("Default cutover");
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cal = new Koyomi();
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cal.set(1582, OCTOBER, 1);
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System.out.println(" roll --DAY_OF_MONTH from 1582/10/01");
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cal.roll(DAY_OF_MONTH, -1);
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if (!cal.checkDate(1582, OCTOBER, 31)) {
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fail(cal.getMessage());
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}
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System.out.println(" roll DAY_OF_MONTH+10 from 1582/10/31");
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cal.roll(DAY_OF_MONTH, +10);
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if (!cal.checkDate(1582, OCTOBER, 20)) {
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fail(cal.getMessage());
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}
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System.out.println(" roll DAY_OF_MONTH-10 from 1582/10/20");
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cal.roll(DAY_OF_MONTH, -10);
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if (!cal.checkDate(1582, OCTOBER, 31)) {
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fail(cal.getMessage());
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}
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System.out.println(" roll back one day further");
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cal.roll(DAY_OF_MONTH, +1);
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if (!cal.checkDate(1582, OCTOBER, 1)) {
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fail(cal.getMessage());
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}
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// should handle the gap between 1969/12/22 (Julian) to 1970/1/5 (Gregorian)
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System.out.println("Cutover date is 1970/1/5");
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@SuppressWarnings("deprecation")
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Date d1 = new Date(1970 - 1900, JANUARY, 5);
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cal.setGregorianChange(d1);
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cal.set(ERA, AD);
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cal.set(YEAR, 1970);
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System.out.println(" Set DAY_OF_YEAR to the 28th day of 1970");
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cal.set(DAY_OF_YEAR, 28);
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if (!cal.checkDate(1970, FEBRUARY, 1)) {
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fail(cal.getMessage());
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}
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if (!cal.checkFieldValue(WEEK_OF_YEAR, 5)) {
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fail(cal.getMessage());
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}
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System.out.println(" 1969/12/22 should be the 356th day of the year.");
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cal.set(1969, DECEMBER, 22);
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if (!cal.checkFieldValue(DAY_OF_YEAR, 356)) {
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fail(cal.getMessage());
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}
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System.out.println(" Set DAY_OF_YEAR to autual maximum.");
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int actualMaxDayOfYear = cal.getActualMaximum(DAY_OF_YEAR);
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if (actualMaxDayOfYear != 356) {
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fail("actual maximum of DAY_OF_YEAR: got " + actualMaxDayOfYear + ", expected 356");
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}
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cal.set(DAY_OF_YEAR, actualMaxDayOfYear);
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if (!cal.checkDate(1969, DECEMBER, 22)) {
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fail(cal.getMessage());
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}
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cal.set(1969, DECEMBER, 22);
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cal.roll(DAY_OF_YEAR, +1);
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System.out.println(" Set to 1969/12/22 and roll DAY_OF_YEAR++");
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if (!cal.checkDate(1969, JANUARY, 1)) {
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fail(cal.getMessage());
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}
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System.out.println(" 1970/1/5 should be the first day of the year.");
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cal.set(1970, JANUARY, 5);
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if (!cal.checkFieldValue(DAY_OF_YEAR, 1)) {
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fail(cal.getMessage());
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}
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System.out.println(" roll --DAY_OF_MONTH from 1970/1/5");
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cal.roll(DAY_OF_MONTH, -1);
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if (!cal.checkDate(1970, JANUARY, 31)) {
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fail(cal.getMessage());
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}
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System.out.println(" roll back one day of month");
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cal.roll(DAY_OF_MONTH, +1);
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if (!cal.checkDate(1970, JANUARY, 5)) {
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fail(cal.getMessage());
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}
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// Test "missing" dates in non-lenient.
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cal = new Koyomi(); // new instance for the default cutover
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cal.setLenient(false);
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try {
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// the next day of 1582/10/4 (Julian) is 1582/10/15 (Gregorian)
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System.out.println("1582/10/10 doesn't exit with the default cutover.");
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cal.set(1582, OCTOBER, 10);
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cal.getTime();
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fail(" Didn't throw IllegalArgumentException in non-lenient.");
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} catch (IllegalArgumentException e) {
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}
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}
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private void checkContinuity(Koyomi cal, int field) {
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cal.getTime();
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System.out.println(Koyomi.getFieldName(field) + " starting on " + cal.toDateString());
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int max = cal.getActualMaximum(field);
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for (int i = 1; i <= max; i++) {
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System.out.println(i + " " + cal.toDateString());
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if (!cal.checkFieldValue(field, i)) {
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fail(" " + cal.toDateString() + ":\t" + cal.getMessage());
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}
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cal.add(field, +1);
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}
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}
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/**
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* 4928615: GregorianCalendar returns wrong dates after setGregorianChange
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*/
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@Test
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public void Test4928615() {
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Koyomi cal = new Koyomi();
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System.out.println("Today is 2003/10/1 Gregorian.");
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@SuppressWarnings("deprecation")
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Date x = new Date(2003 - 1900, 10 - 1, 1);
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cal.setTime(x);
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System.out.println(" Changing the cutover date to yesterday...");
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cal.setGregorianChange(new Date(x.getTime() - (24 * 3600 * 1000)));
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if (!cal.checkDate(2003, OCTOBER, 1)) {
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fail(" " + cal.getMessage());
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}
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System.out.println(" Changing the cutover date to tomorrow...");
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cal.setGregorianChange(new Date(x.getTime() + (24 * 3600 * 1000)));
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if (!cal.checkDate(2003, SEPTEMBER, 18)) {
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fail(" " + cal.getMessage());
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}
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}
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/**
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* 4743587: GregorianCalendar.getLeastMaximum() returns wrong values
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*/
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@Test
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public void Test4743587() {
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Koyomi cal = new Koyomi();
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Koyomi cal2 = (Koyomi) cal.clone();
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System.out.println("getLeastMaximum should handle cutover year.\n"
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+ " default cutover date");
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if (!cal.checkLeastMaximum(DAY_OF_YEAR, 365 - 10)) {
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fail(" " + cal.getMessage());
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}
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if (!cal.checkLeastMaximum(WEEK_OF_YEAR, 52 - ((10 + 6) / 7))) {
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fail(" " + cal.getMessage());
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}
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// Corrected for 4956232
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if (!cal.checkLeastMaximum(DAY_OF_MONTH, 28)) {
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fail(" " + cal.getMessage());
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}
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if (!cal.checkLeastMaximum(WEEK_OF_MONTH, 3)) {
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fail(" " + cal.getMessage());
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}
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if (!cal.checkLeastMaximum(DAY_OF_WEEK_IN_MONTH, 3)) {
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fail(" " + cal.getMessage());
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}
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// make sure that getLeastMaximum calls didn't affect the date
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if (!cal.equals(cal2)) {
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fail(" getLeastMaximum calls modified the object.");
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}
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if (!cal.checkGreatestMinimum(DAY_OF_MONTH, 1)) {
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fail(" " + cal.getMessage());
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}
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System.out.println(" changing the date to 1582/10/20 for actual min/max tests");
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cal.set(1582, OCTOBER, 20);
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if (!cal.checkActualMinimum(DAY_OF_MONTH, 1)) {
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fail(" " + cal.getMessage());
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}
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if (!cal.checkActualMaximum(DAY_OF_MONTH, 31)) {
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fail(" " + cal.getMessage());
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}
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cal = new Koyomi();
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System.out.println("Change the cutover date to 1970/1/5.");
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@SuppressWarnings("deprecation")
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Date d = new Date(1970 - 1900, 0, 5);
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cal.setGregorianChange(d);
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if (!cal.checkLeastMaximum(DAY_OF_YEAR, 356)) {
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fail(" " + cal.getMessage());
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}
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if (!cal.checkLeastMaximum(DAY_OF_MONTH, 22)) {
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fail(" " + cal.getMessage());
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}
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if (!cal.checkGreatestMinimum(DAY_OF_MONTH, 5)) {
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fail(" " + cal.getMessage());
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}
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cal.set(1970, JANUARY, 10);
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if (!cal.checkActualMinimum(DAY_OF_MONTH, 5)) {
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fail(" " + cal.getMessage());
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}
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if (!cal.checkActualMaximum(DAY_OF_MONTH, 31)) {
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fail(" " + cal.getMessage());
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}
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}
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/**
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* 6459836: (cal) GregorianCalendar set method provides wrong result
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*/
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@Test
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public void Test6459836() {
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int hour = 13865672;
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Koyomi gc1 = new Koyomi();
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gc1.clear();
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gc1.set(1, JANUARY, 1, 0, 0, 0);
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gc1.set(HOUR_OF_DAY, hour);
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if (!gc1.checkDate(1582, OCTOBER, 4)) {
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fail("test case 1: " + gc1.getMessage());
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}
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gc1.clear();
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gc1.set(1, JANUARY, 1, 0, 0, 0);
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gc1.set(HOUR_OF_DAY, hour + 24);
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if (!gc1.checkDate(1582, OCTOBER, 15)) {
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fail("test case 2: " + gc1.getMessage());
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}
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}
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/**
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* 6549953 (cal) WEEK_OF_YEAR and DAY_OF_YEAR calculation problems around Gregorian cutover
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*/
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@Test
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public void Test6549953() {
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Koyomi cal = new Koyomi();
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cal.set(YEAR, 1582);
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cal.set(WEEK_OF_YEAR, 42);
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cal.set(DAY_OF_WEEK, FRIDAY);
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cal.checkFieldValue(WEEK_OF_YEAR, 42);
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cal.checkFieldValue(DAY_OF_WEEK, FRIDAY);
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if (!cal.checkDate(1582, OCTOBER, 29)) {
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fail(cal.getMessage());
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}
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cal.clear();
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cal.set(1582, OCTOBER, 1);
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cal.set(DAY_OF_YEAR, 292);
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if (!cal.checkDate(1582, OCTOBER, 29)) {
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fail(cal.getMessage());
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}
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}
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}
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