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Java example source code file (TestLenientChronology.java)

This example Java source code file (TestLenientChronology.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

america/chicago, america/los_angeles, chronology, cutover_turk, datetime, datetimezone, exception, illegalargumentexception, mock_turk, offset_turk, testcase, testlenientchronology, used

The TestLenientChronology.java Java example source code

/*
 *  Copyright 2001-2007 Stephen Colebourne
 *
 *  Licensed 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.joda.time.chrono;

import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.joda.time.Chronology;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.MockZone;

/**
 *
 * @author Brian S O'Neill
 * @author Blair Martin
 */
public class TestLenientChronology extends TestCase {
    public static void main(String[] args) {
        junit.textui.TestRunner.run(suite());
    }

    public static TestSuite suite() {
        return new TestSuite(TestLenientChronology.class);
    }

    public TestLenientChronology(String name) {
        super(name);
    }

    protected void setUp() throws Exception {
    }

    protected void tearDown() throws Exception {
    }

    //-----------------------------------------------------------------------
    public void test_setYear() {
        Chronology zone = LenientChronology.getInstance(ISOChronology.getInstanceUTC());
        DateTime dt = new DateTime(2007, 1, 1, 0, 0 ,0, 0, zone);
        assertEquals("2007-01-01T00:00:00.000Z", dt.toString());
        dt = dt.withYear(2008);
        assertEquals("2008-01-01T00:00:00.000Z", dt.toString());
    }

    //-----------------------------------------------------------------------
    public void test_setMonthOfYear() {
        Chronology zone = LenientChronology.getInstance(ISOChronology.getInstanceUTC());
        DateTime dt = new DateTime(2007, 1, 1, 0, 0 ,0, 0, zone);
        assertEquals("2007-01-01T00:00:00.000Z", dt.toString());
        dt = dt.withMonthOfYear(13);
        assertEquals("2008-01-01T00:00:00.000Z", dt.toString());
        dt = dt.withMonthOfYear(0);
        assertEquals("2007-12-01T00:00:00.000Z", dt.toString());
    }

    //-----------------------------------------------------------------------
    public void test_setDayOfMonth() {
        Chronology zone = LenientChronology.getInstance(ISOChronology.getInstanceUTC());
        DateTime dt = new DateTime(2007, 1, 1, 0, 0 ,0, 0, zone);
        assertEquals("2007-01-01T00:00:00.000Z", dt.toString());
        dt = dt.withDayOfMonth(32);
        assertEquals("2007-02-01T00:00:00.000Z", dt.toString());
        dt = dt.withDayOfMonth(0);
        assertEquals("2007-01-31T00:00:00.000Z", dt.toString());
    }

    //-----------------------------------------------------------------------
    public void test_setHourOfDay() {
        Chronology zone = LenientChronology.getInstance(ISOChronology.getInstanceUTC());
        DateTime dt = new DateTime(2007, 1, 1, 0, 0 ,0, 0, zone);
        assertEquals("2007-01-01T00:00:00.000Z", dt.toString());
        dt = dt.withHourOfDay(24);
        assertEquals("2007-01-02T00:00:00.000Z", dt.toString());
        dt = dt.withHourOfDay(-1);
        assertEquals("2007-01-01T23:00:00.000Z", dt.toString());
    }

    //-----------------------------------------------------------------------
    //------------------------ Bug ------------------------------------------
    //-----------------------------------------------------------------------
    public void testNearDstTransition() {
        // This is just a regression test. Test case provided by Blair Martin.

        int hour = 23;
        DateTime dt;

        dt = new DateTime(2006, 10, 29, hour, 0, 0, 0,
                          ISOChronology.getInstance(DateTimeZone.forID("America/Los_Angeles")));
        assertEquals(hour, dt.getHourOfDay()); // OK - no LenientChronology

        dt = new DateTime(2006, 10, 29, hour, 0, 0, 0,
                          LenientChronology.getInstance
                          (ISOChronology.getInstance(DateTimeZone.forOffsetHours(-8))));
        assertEquals(hour, dt.getHourOfDay()); // OK - no TZ ID

        dt = new DateTime(2006, 10, 29, hour, 0, 0, 0,
                          LenientChronology.getInstance
                          (ISOChronology.getInstance(DateTimeZone.forID("America/Los_Angeles"))));

        assertEquals(hour, dt.getHourOfDay()); // Used to fail - hour was 22
    }

    //-----------------------------------------------------------------------
    //------------------------ Bug [1755161] --------------------------------
    //-----------------------------------------------------------------------
    /** Mock zone simulating America/Grand_Turk cutover at midnight 2007-04-01 */
    private static long CUTOVER_TURK = 1175403600000L;
    private static int OFFSET_TURK = -18000000;  // -05:00
    private static final DateTimeZone MOCK_TURK = new MockZone(CUTOVER_TURK, OFFSET_TURK, 3600);

    //-----------------------------------------------------------------------
    public void test_MockTurkIsCorrect() {
        DateTime pre = new DateTime(CUTOVER_TURK - 1L, MOCK_TURK);
        assertEquals("2007-03-31T23:59:59.999-05:00", pre.toString());
        DateTime at = new DateTime(CUTOVER_TURK, MOCK_TURK);
        assertEquals("2007-04-01T01:00:00.000-04:00", at.toString());
        DateTime post = new DateTime(CUTOVER_TURK + 1L, MOCK_TURK);
        assertEquals("2007-04-01T01:00:00.001-04:00", post.toString());
    }

    public void test_lenientChrononolgy_Chicago() {
        DateTimeZone zone = DateTimeZone.forID("America/Chicago");
        Chronology lenient = LenientChronology.getInstance(ISOChronology.getInstance(zone));
        DateTime dt = new DateTime(2007, 3, 11, 2, 30, 0, 0, lenient);
        assertEquals("2007-03-11T03:30:00.000-05:00", dt.toString());
    }

    public void test_lenientChrononolgy_Turk() {
        Chronology lenient = LenientChronology.getInstance(ISOChronology.getInstance(MOCK_TURK));
        DateTime dt = new DateTime(2007, 4, 1, 0, 30, 0, 0, lenient);
        assertEquals("2007-04-01T01:30:00.000-04:00", dt.toString());
    }

    public void test_strictChrononolgy_Chicago() {
        DateTimeZone zone = DateTimeZone.forID("America/Chicago");
        Chronology lenient = StrictChronology.getInstance(ISOChronology.getInstance(zone));
        try {
            new DateTime(2007, 3, 11, 2, 30, 0, 0, lenient);
            fail();
        } catch (IllegalArgumentException ex) {
            // expected
        }
    }

    public void test_isoChrononolgy_Chicago() {
        DateTimeZone zone = DateTimeZone.forID("America/Chicago");
        Chronology lenient = ISOChronology.getInstance(zone);
        try {
            new DateTime(2007, 3, 11, 2, 30, 0, 0, lenient);
            fail();
        } catch (IllegalArgumentException ex) {
            // expected
        }
    }

}

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