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DateTimeTest.java
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DateTimeTest.java
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/**
* Copyright (c) 2012, Ben Fortuna
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* o Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of Ben Fortuna nor the names of any other 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 net.fortuna.ical4j.model;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import net.fortuna.ical4j.util.CompatibilityHints;
import net.fortuna.ical4j.util.TimeZones;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
/**
* $Id$
* <p/>
* Created on 30/06/2005
*
* @author Ben Fortuna
*/
public class DateTimeTest extends TestCase {
private Logger log = LoggerFactory.getLogger(DateTimeTest.class);
private static TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
private DateTime dateTime;
private String expectedToString;
private String badlyFormated;
// static {
// TimeZone.setDefault(TimeZone.getTimeZone("Europe/Paris"));
// }
/**
* @param testMethod
*/
public DateTimeTest(String testMethod) {
super(testMethod);
}
/**
* Default constructor.
*/
public DateTimeTest(DateTime dateTime, String expectedToString) {
super("testToString");
this.dateTime = dateTime;
this.expectedToString = expectedToString;
}
public DateTimeTest(String badlyFormated, String expectedToString) {
super("testRelaxed");
this.badlyFormated = badlyFormated;
this.expectedToString = expectedToString;
}
/* (non-Javadoc)
* @see junit.framework.TestCase#setUp()
*/
@Override
protected void setUp() throws Exception {
super.setUp();
// ensure relaxing parsing is disabled for these tests..
CompatibilityHints.setHintEnabled(CompatibilityHints.KEY_RELAXED_PARSING, false);
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
CompatibilityHints.clearHintEnabled(CompatibilityHints.KEY_RELAXED_PARSING);
}
/**
*
*/
public void testToString() {
assertNotNull("Null input date", dateTime);
assertEquals("Incorrect string representation", expectedToString, dateTime.toString());
}
/*
* Class under test for void DateTime(String)
*/
public void testDateTimeString() throws Exception {
try {
new DateTime("20050630");
fail("Should throw ParseException");
} catch (ParseException pe) {
log.info("Exception occurred: " + pe.getMessage());
}
try {
new DateTime("20000402T020000",
registry.getTimeZone("America/Los_Angeles"));
fail("Should throw ParseException");
} catch (ParseException pe) {
log.info("Exception occurred: " + pe.getMessage());
}
}
public void testRelaxed() throws Exception {
try {
new DateTime(badlyFormated);
fail("expected ParseException");
} catch (ParseException pe) {
}
try {
CompatibilityHints.setHintEnabled(CompatibilityHints.KEY_RELAXED_PARSING, true);
DateTime dt = new DateTime(badlyFormated);
assertEquals(this.expectedToString, dt.toString());
} catch (ParseException pe) {
fail("exception not expected with relaxed parsing is used");
}
}
/**
* Test equality of DateTime instances created using different constructors.
*
* @throws ParseException
*/
public void testDateTimeEquals() throws ParseException {
// change default tz to non-UTC timezone.
java.util.TimeZone originalTzDefault = java.util.TimeZone.getDefault();
java.util.TimeZone.setDefault(java.util.TimeZone.getTimeZone("Australia/Melbourne"));
DateTime date1 = new DateTime("20050101T093000");
Calendar calendar = Calendar.getInstance(); //TimeZone.getTimeZone("Etc/UTC"));
calendar.clear();
calendar.set(2005, 0, 1, 9, 30, 00);
calendar.set(Calendar.MILLISECOND, 1);
DateTime date2 = new DateTime(calendar.getTime());
assertEquals(date1.hashCode(), date2.hashCode());
assertEquals(date1.toString(), date2.toString());
assertEquals(date1, date2);
java.util.TimeZone.setDefault(originalTzDefault);
}
/**
* Test that equality of two DateTime instances created using different constructors
* implies equality of hashCode.
*
* @throws ParseException
*/
public void testDateTimeHashCode() throws ParseException {
TimeZone tz1 = TimeZoneRegistryFactory.getInstance().createRegistry().getTimeZone("Europe/Paris");
TimeZone tz2 = (TimeZone) tz1.clone();
DateTime date1 = new DateTime("20050101T093000", tz1);
DateTime date2 = new DateTime("20050101T093000", tz2);
// verify that if equals() == true, hashCode must match also
// was not the case previously as hashCode() was taking the TimeZone object
// into consideration when equals() was not.
assertEquals(date1, date2);
assertEquals(date1.hashCode(), date2.hashCode());
}
/**
* Test UTC date-times.
*/
public void testUtc() throws ParseException {
// ordinary date..
DateTime date1 = new DateTime("20050101T093000");
assertFalse(date1.isUtc());
// UTC date..
DateTime date2 = new DateTime(true);
assertTrue(date2.isUtc());
TimeZone utcTz = registry.getTimeZone(TimeZones.UTC_ID);
utcTz.setID(TimeZones.UTC_ID);
// UTC timezone, but not UTC..
DateTime date3 = new DateTime("20050101T093000", utcTz);
// date3.setUtc(false);
assertFalse(date3.isUtc());
DateTime date4 = new DateTime();
date4.setUtc(true);
assertTrue(date4.isUtc());
date4.setUtc(false);
assertFalse(date4.isUtc());
DateTime date5 = new DateTime(false);
date5.setTimeZone(utcTz);
assertFalse(date5.isUtc());
}
@Override
public String getName() {
if (StringUtils.isNotEmpty(expectedToString)) {
return super.getName() + " [" + expectedToString + "]";
}
return super.getName();
}
/**
* @return
*/
public static TestSuite suite() throws ParseException {
TestSuite suite = new TestSuite();
// test DateTime(long)..
DateTime dt = new DateTime(0);
dt.setUtc(true);
// dt.setTimeZone(TimeZoneRegistryFactory.getInstance().createRegistry().getTimeZone(TimeZones.GMT_ID));
// assertEquals("19700101T000000", dt.toString());
suite.addTest(new DateTimeTest(dt, "19700101T000000Z"));
// change default tz to non-UTC timezone.
java.util.TimeZone originalTzDefault = java.util.TimeZone.getDefault();
java.util.TimeZone.setDefault(java.util.TimeZone.getTimeZone("Australia/Melbourne"));
// test DateTime(Date)..
Calendar cal = Calendar.getInstance(); //TimeZone.getTimeZone("GMT"));
cal.set(Calendar.YEAR, 1984);
// months are zero-based..
cal.set(Calendar.MONTH, 3);
cal.set(Calendar.DAY_OF_MONTH, 17);
cal.set(Calendar.HOUR_OF_DAY, 3);
cal.set(Calendar.MINUTE, 15);
cal.set(Calendar.SECOND, 34);
suite.addTest(new DateTimeTest(new DateTime(cal.getTime()), "19840417T031534"));
java.util.TimeZone.setDefault(originalTzDefault);
TimeZone tz = registry.getTimeZone("Australia/Melbourne");
// test DateTime(String)..
suite.addTest(new DateTimeTest(new DateTime("20000827T030000", tz), "20000827T030000"));
suite.addTest(new DateTimeTest(new DateTime("20070101T080000", tz), "20070101T080000"));
suite.addTest(new DateTimeTest(new DateTime("20050630T093000", tz), "20050630T093000"));
suite.addTest(new DateTimeTest(new DateTime("20050630T093000Z"), "20050630T093000Z"));
suite.addTest(new DateTimeTest(new DateTime("19390901T000000", tz), "19390901T000000"));
suite.addTest(new DateTimeTest(new DateTime("20000402T020000", tz), "20000402T020000"));
suite.addTest(new DateTimeTest(new DateTime("20000402T020000", tz), "20000402T020000"));
DateFormat df = new SimpleDateFormat("yyyyMMdd'T'HHmmss");
// Calendar cal = Calendar.getInstance(); //java.util.TimeZone.getTimeZone("America/Los_Angeles"));
cal.clear();
cal.set(2000, 0, 1, 2, 0, 0);
for (int i = 0; i < 365; i++) {
String dateString = df.format(cal.getTime());
suite.addTest(new DateTimeTest(new DateTime(dateString), dateString));
cal.add(Calendar.DAY_OF_YEAR, 1);
}
suite.addTest(new DateTimeTest(new DateTime("20071104T000000",
registry.getTimeZone("America/Los_Angeles")), "20071104T000000"));
suite.addTest(new DateTimeTest(new DateTime("20110326T090000",
registry.getTimeZone("Europe/Minsk")), "20110326T090000"));
// other tests..
suite.addTest(new DateTimeTest("testDateTimeString"));
suite.addTest(new DateTimeTest("testDateTimeEquals"));
suite.addTest(new DateTimeTest("testDateTimeHashCode"));
suite.addTest(new DateTimeTest("testUtc"));
suite.addTest(new DateTimeTest("00001231T000000Z", "00011231T000000"));
return suite;
}
}