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/*
* Copyright (c) 2010, 2019, 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.
*/
/*
* @test
* @bug 4267450
* @summary Unit test for week date support
*/
import java.text.*;
import java.util.*;
import static java.util.GregorianCalendar.*;
public class WeekDateTest {
static SimpleDateFormat ymdFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.US);
static SimpleDateFormat ywdFormat = new SimpleDateFormat("YYYY-'W'ww-u", Locale.US);
static {
ymdFormat.setCalendar(newCalendar());
ywdFormat.setCalendar(newCalendar());
}
// Round-trip Data
static final String[][] roundTripData = {
{ "2005-01-01", "2004-W53-6" },
{ "2005-01-02", "2004-W53-7" },
{ "2005-12-31", "2005-W52-6" },
{ "2007-01-01", "2007-W01-1" },
{ "2007-12-30", "2007-W52-7" },
{ "2007-12-31", "2008-W01-1" },
{ "2008-01-01", "2008-W01-2" },
{ "2008-12-29", "2009-W01-1" },
{ "2008-12-31", "2009-W01-3" },
{ "2009-01-01", "2009-W01-4" },
{ "2009-12-31", "2009-W53-4" },
{ "2010-01-03", "2009-W53-7" },
{ "2009-12-31", "2009-W53-4" },
{ "2010-01-01", "2009-W53-5" },
{ "2010-01-02", "2009-W53-6" },
{ "2010-01-03", "2009-W53-7" },
{ "2008-12-28", "2008-W52-7" },
{ "2008-12-29", "2009-W01-1" },
{ "2008-12-30", "2009-W01-2" },
{ "2008-12-31", "2009-W01-3" },
{ "2009-01-01", "2009-W01-4" },
{ "2009-01-01", "2009-W01-4" },
};
// Data for leniency test
static final String[][] leniencyData = {
{ "2008-12-28", "2009-W01-0" },
{ "2010-01-04", "2009-W53-8" },
{ "2008-12-29", "2008-W53-1" },
};
static final String[] invalidData = {
"2010-W00-1",
"2010-W55-1",
"2010-W03-0",
"2010-W04-8",
"2010-W04-19"
};
public static void main(String[] args) throws Exception {
formatTest(roundTripData);
parseTest(roundTripData);
parseTest(leniencyData);
nonLenientTest(invalidData);
noWeekDateSupport();
}
private static void formatTest(String[][] data) throws Exception {
for (String[] dates : data) {
String regularDate = dates[0];
String weekDate = dates[1];
Date date = null;
date = ymdFormat.parse(regularDate);
String s = ywdFormat.format(date);
if (!s.equals(weekDate)) {
throw new RuntimeException("format: got="+s+", expecetd="+weekDate);
}
}
}
private static void parseTest(String[][] data) throws Exception {
for (String[] dates : data) {
String regularDate = dates[0];
String weekDate = dates[1];
Date date1 = null, date2 = null;
date1 = ymdFormat.parse(regularDate);
date2 = ywdFormat.parse(weekDate);
if (!date1.equals(date2)) {
System.err.println(regularDate + ": date1 = " + date1);
System.err.println(weekDate + ": date2 = " + date2);
throw new RuntimeException("parse: date1 != date2");
}
}
}
// Non-lenient mode test
private static void nonLenientTest(String[] data) {
ywdFormat.setLenient(false);
for (String date : data) {
try {
Date d = ywdFormat.parse(date);
throw new RuntimeException("No ParseException thrown with " + date);
} catch (ParseException e) {
// OK
}
}
ywdFormat.setLenient(true);
}
private static void noWeekDateSupport() throws Exception {
// Tests with Japanese Imperial Calendar that doesn't support week dates.
Calendar jcal = Calendar.getInstance(TimeZone.getTimeZone("GMT"),
new Locale("ja", "JP", "JP"));
String format = "2-W01-2"; // 2019-12-31 == R1-12-31
int expectedYear = 2019;
// Check the current era, Heisei or Reiwa
if (System.currentTimeMillis() < 1556668800000L) {
format = "21-W01-3"; // 2008-12-31 == H20-12-31
expectedYear = 2008;
}
jcal.setFirstDayOfWeek(MONDAY);
jcal.setMinimalDaysInFirstWeek(4);
SimpleDateFormat sdf = new SimpleDateFormat("Y-'W'ww-u");
sdf.setCalendar(jcal);
Date d = sdf.parse(format);
GregorianCalendar gcal = newCalendar();
gcal.setTime(d);
if (gcal.get(YEAR) != expectedYear
|| gcal.get(MONTH) != DECEMBER
|| gcal.get(DAY_OF_MONTH) != 31) {
String s = String.format("noWeekDateSupport: got %04d-%02d-%02d, expected %4d-12-31%n",
gcal.get(YEAR),
gcal.get(MONTH)+1,
gcal.get(DAY_OF_MONTH),
expectedYear);
throw new RuntimeException(s);
}
}
private static GregorianCalendar newCalendar() {
// Use GMT to avoid any surprises related DST transitions.
GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
// Setup the ISO 8601 compatible parameters
cal.setFirstDayOfWeek(MONDAY);
cal.setMinimalDaysInFirstWeek(4);
return cal;
}
}
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