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/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.ss.usermodel;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import org.apache.poi.util.LocaleUtil;
import org.junit.Test;
public class TestDateUtil {
@Test
public void getJavaDate_InvalidValue() {
double dateValue = -1;
TimeZone tz = LocaleUtil.getUserTimeZone();
boolean use1904windowing = false;
boolean roundSeconds = false;
assertEquals(null, DateUtil.getJavaDate(dateValue));
assertEquals(null, DateUtil.getJavaDate(dateValue, tz));
assertEquals(null, DateUtil.getJavaDate(dateValue, use1904windowing));
assertEquals(null, DateUtil.getJavaDate(dateValue, use1904windowing, tz));
assertEquals(null, DateUtil.getJavaDate(dateValue, use1904windowing, tz, roundSeconds));
}
@Test
public void getJavaDate_ValidValue() {
double dateValue = 0;
TimeZone tz = LocaleUtil.getUserTimeZone();
boolean use1904windowing = false;
boolean roundSeconds = false;
Calendar calendar = LocaleUtil.getLocaleCalendar(1900, 0, 0);
Date date = calendar.getTime();
assertEquals(date, DateUtil.getJavaDate(dateValue));
assertEquals(date, DateUtil.getJavaDate(dateValue, tz));
assertEquals(date, DateUtil.getJavaDate(dateValue, use1904windowing));
assertEquals(date, DateUtil.getJavaDate(dateValue, use1904windowing, tz));
assertEquals(date, DateUtil.getJavaDate(dateValue, use1904windowing, tz, roundSeconds));
}
@Test
public void getJavaCalendar_InvalidValue() {
double dateValue = -1;
TimeZone tz = LocaleUtil.getUserTimeZone();
boolean use1904windowing = false;
boolean roundSeconds = false;
assertEquals(null, DateUtil.getJavaCalendar(dateValue));
assertEquals(null, DateUtil.getJavaCalendar(dateValue, use1904windowing));
assertEquals(null, DateUtil.getJavaCalendar(dateValue, use1904windowing, tz));
assertEquals(null, DateUtil.getJavaCalendar(dateValue, use1904windowing, tz, roundSeconds));
}
@Test
public void getJavaCalendar_ValidValue() {
double dateValue = 0;
TimeZone tz = LocaleUtil.getUserTimeZone();
boolean use1904windowing = false;
boolean roundSeconds = false;
Calendar expCal = LocaleUtil.getLocaleCalendar(1900, 0, 0);
Calendar[] actCal = {
DateUtil.getJavaCalendar(dateValue),
DateUtil.getJavaCalendar(dateValue, use1904windowing),
DateUtil.getJavaCalendar(dateValue, use1904windowing, tz),
DateUtil.getJavaCalendar(dateValue, use1904windowing, tz, roundSeconds)
};
assertEquals(expCal, actCal[0]);
assertEquals(expCal, actCal[1]);
assertEquals(expCal, actCal[2]);
assertEquals(expCal, actCal[3]);
}
@Test
public void isADateFormat() {
// Cell content 2016-12-8 as an example
// Cell show "12/8/2016"
assertTrue(DateUtil.isADateFormat(14, "m/d/yy"));
// Cell show "Thursday, December 8, 2016"
assertTrue(DateUtil.isADateFormat(182, "[$-F800]dddd\\,\\ mmmm\\ dd\\,\\ yyyy"));
// Cell show "12/8"
assertTrue(DateUtil.isADateFormat(183, "m/d;@"));
// Cell show "12/08/16"
assertTrue(DateUtil.isADateFormat(184, "mm/dd/yy;@"));
// Cell show "8-Dec-16"
assertTrue(DateUtil.isADateFormat(185, "[$-409]d\\-mmm\\-yy;@"));
// Cell show "D-16"
assertTrue(DateUtil.isADateFormat(186, "[$-409]mmmmm\\-yy;@"));
// Cell show "2016年12月8日"
assertTrue(DateUtil.isADateFormat(165, "yyyy\"\u5e74\"m\"\u6708\"d\"\u65e5\";@"));
// Cell show "2016年12月"
assertTrue(DateUtil.isADateFormat(164, "yyyy\"\u5e74\"m\"\u6708\";@"));
// Cell show "12月8日"
assertTrue(DateUtil.isADateFormat(168, "m\"\u6708\"d\"\u65e5\";@"));
// Cell show "十二月八日"
assertTrue(DateUtil.isADateFormat(181, "[DBNum1][$-404]m\"\u6708\"d\"\u65e5\";@"));
// Cell show "贰零壹陆年壹拾贰月捌日"
assertTrue(DateUtil.isADateFormat(177, "[DBNum2][$-804]yyyy\"\u5e74\"m\"\u6708\"d\"\u65e5\";@"));
// Cell show "２０１６年１２月８日"
assertTrue(DateUtil.isADateFormat(178, "[DBNum3][$-804]yyyy\"\u5e74\"m\"\u6708\"d\"\u65e5\";@"));
}
}
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