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test cases for the DateTools class
git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@150484 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Daniel Naber
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c7fbb991c3
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package org.apache.lucene.document;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Date;
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import junit.framework.TestCase;
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/**
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* Copyright 2004 The Apache Software Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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public class TestDateTools extends TestCase {
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public void testStringToDate() throws ParseException {
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Date d = null;
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d = DateTools.stringToDate("2004");
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assertEquals("2004-01-01 00:00:00:000", isoFormat(d));
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d = DateTools.stringToDate("20040705");
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assertEquals("2004-07-05 00:00:00:000", isoFormat(d));
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d = DateTools.stringToDate("200407050910");
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assertEquals("2004-07-05 09:10:00:000", isoFormat(d));
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d = DateTools.stringToDate("20040705091055990");
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assertEquals("2004-07-05 09:10:55:990", isoFormat(d));
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try {
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d = DateTools.stringToDate("97"); // no date
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fail();
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} catch(ParseException e) { /* expected excpetion */ }
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try {
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d = DateTools.stringToDate("200401011235009999"); // no date
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fail();
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} catch(ParseException e) { /* expected excpetion */ }
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try {
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d = DateTools.stringToDate("aaaa"); // no date
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fail();
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} catch(ParseException e) { /* expected excpetion */ }
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}
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public void testStringtotime() throws ParseException {
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long time = DateTools.stringToTime("197001010100");
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assertEquals(0, time);
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time = DateTools.stringToTime("197001010102");
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assertEquals(120000, time);
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}
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public void testDateAndTimetoString() throws ParseException {
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Calendar cal = Calendar.getInstance();
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cal.set(2004, 1, 3, // year=2004, month=february(!), day=3
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22, 8, 56); // hour, minute, second
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cal.set(Calendar.MILLISECOND, 333);
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String dateString;
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dateString = DateTools.dateToString(cal.getTime(), DateTools.Resolution.YEAR);
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assertEquals("2004", dateString);
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assertEquals("2004-01-01 00:00:00:000", isoFormat(DateTools.stringToDate(dateString)));
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dateString = DateTools.dateToString(cal.getTime(), DateTools.Resolution.MONTH);
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assertEquals("200402", dateString);
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assertEquals("2004-02-01 00:00:00:000", isoFormat(DateTools.stringToDate(dateString)));
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dateString = DateTools.dateToString(cal.getTime(), DateTools.Resolution.DAY);
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assertEquals("20040203", dateString);
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assertEquals("2004-02-03 00:00:00:000", isoFormat(DateTools.stringToDate(dateString)));
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dateString = DateTools.dateToString(cal.getTime(), DateTools.Resolution.HOUR);
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assertEquals("2004020322", dateString);
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assertEquals("2004-02-03 22:00:00:000", isoFormat(DateTools.stringToDate(dateString)));
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dateString = DateTools.dateToString(cal.getTime(), DateTools.Resolution.MINUTE);
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assertEquals("200402032208", dateString);
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assertEquals("2004-02-03 22:08:00:000", isoFormat(DateTools.stringToDate(dateString)));
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dateString = DateTools.dateToString(cal.getTime(), DateTools.Resolution.SECOND);
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assertEquals("20040203220856", dateString);
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assertEquals("2004-02-03 22:08:56:000", isoFormat(DateTools.stringToDate(dateString)));
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dateString = DateTools.dateToString(cal.getTime(), DateTools.Resolution.MILLISECOND);
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assertEquals("20040203220856333", dateString);
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assertEquals("2004-02-03 22:08:56:333", isoFormat(DateTools.stringToDate(dateString)));
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// date before 1970:
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cal.set(1961, 2, 5, // year=1961, month=march(!), day=5
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23, 9, 51); // hour, minute, second
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cal.set(Calendar.MILLISECOND, 444);
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dateString = DateTools.dateToString(cal.getTime(), DateTools.Resolution.MILLISECOND);
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assertEquals("19610305230951444", dateString);
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assertEquals("1961-03-05 23:09:51:444", isoFormat(DateTools.stringToDate(dateString)));
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dateString = DateTools.dateToString(cal.getTime(), DateTools.Resolution.HOUR);
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assertEquals("1961030523", dateString);
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assertEquals("1961-03-05 23:00:00:000", isoFormat(DateTools.stringToDate(dateString)));
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// timeToString:
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dateString = DateTools.timeToString(0, DateTools.Resolution.MILLISECOND);
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assertEquals("19700101010000000", dateString);
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dateString = DateTools.timeToString(123000, DateTools.Resolution.MILLISECOND);
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assertEquals("19700101010203000", dateString);
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}
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public void testRound() {
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Calendar cal = Calendar.getInstance();
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cal.set(2004, 1, 3, // year=2004, month=february(!), day=3
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22, 8, 56); // hour, minute, second
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cal.set(Calendar.MILLISECOND, 333);
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Date date = cal.getTime();
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assertEquals("2004-02-03 22:08:56:333", isoFormat(date));
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Date dateYear = DateTools.round(date, DateTools.Resolution.YEAR);
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assertEquals("2004-01-01 00:00:00:000", isoFormat(dateYear));
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Date dateMonth = DateTools.round(date, DateTools.Resolution.MONTH);
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assertEquals("2004-02-01 00:00:00:000", isoFormat(dateMonth));
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Date dateDay = DateTools.round(date, DateTools.Resolution.DAY);
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assertEquals("2004-02-03 00:00:00:000", isoFormat(dateDay));
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Date dateHour = DateTools.round(date, DateTools.Resolution.HOUR);
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assertEquals("2004-02-03 22:00:00:000", isoFormat(dateHour));
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Date dateMinute = DateTools.round(date, DateTools.Resolution.MINUTE);
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assertEquals("2004-02-03 22:08:00:000", isoFormat(dateMinute));
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Date dateSecond = DateTools.round(date, DateTools.Resolution.SECOND);
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assertEquals("2004-02-03 22:08:56:000", isoFormat(dateSecond));
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Date dateMillisecond = DateTools.round(date, DateTools.Resolution.MILLISECOND);
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assertEquals("2004-02-03 22:08:56:333", isoFormat(dateMillisecond));
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// long parameter:
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long dateYearLong = DateTools.round(date.getTime(), DateTools.Resolution.YEAR);
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assertEquals("2004-01-01 00:00:00:000", isoFormat(new Date(dateYearLong)));
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long dateMillisecondLong = DateTools.round(date.getTime(), DateTools.Resolution.MILLISECOND);
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assertEquals("2004-02-03 22:08:56:333", isoFormat(new Date(dateMillisecondLong)));
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}
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private String isoFormat(Date date) {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:SSS");
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return sdf.format(date);
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}
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}
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