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Java example source code file (TestDuration_Constructors.java)

This example Java source code file (TestDuration_Constructors.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

arithmeticexception, datetime, datetimezone, duration, europe/london, instant, interval, long, paris, pt6s, test_time1, test_time_now, testduration_constructors, throwable, util

The TestDuration_Constructors.java Java example source code

/*
 *  Copyright 2001-2005 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;

import java.util.Locale;
import java.util.TimeZone;

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

/**
 * This class is a JUnit test for Duration.
 *
 * @author Stephen Colebourne
 */
public class TestDuration_Constructors extends TestCase {
    // Test in 2002/03 as time zones are more well known
    // (before the late 90's they were all over the place)

    private static final DateTimeZone PARIS = DateTimeZone.forID("Europe/Paris");
    private static final DateTimeZone LONDON = DateTimeZone.forID("Europe/London");
    
    long y2002days = 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 
                     366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 
                     365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 +
                     366 + 365;
    long y2003days = 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 
                     366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 
                     365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 +
                     366 + 365 + 365;
    
    // 2002-06-09
    private long TEST_TIME_NOW =
            (y2002days + 31L + 28L + 31L + 30L + 31L + 9L -1L) * DateTimeConstants.MILLIS_PER_DAY;
            
    // 2002-04-05
    private long TEST_TIME1 =
            (y2002days + 31L + 28L + 31L + 5L -1L) * DateTimeConstants.MILLIS_PER_DAY
            + 12L * DateTimeConstants.MILLIS_PER_HOUR
            + 24L * DateTimeConstants.MILLIS_PER_MINUTE;
        
    // 2003-05-06
    private long TEST_TIME2 =
            (y2003days + 31L + 28L + 31L + 30L + 6L -1L) * DateTimeConstants.MILLIS_PER_DAY
            + 14L * DateTimeConstants.MILLIS_PER_HOUR
            + 28L * DateTimeConstants.MILLIS_PER_MINUTE;
    
    private DateTimeZone originalDateTimeZone = null;
    private TimeZone originalTimeZone = null;
    private Locale originalLocale = null;

    public static void main(String[] args) {
        junit.textui.TestRunner.run(suite());
    }

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

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

    protected void setUp() throws Exception {
        DateTimeUtils.setCurrentMillisFixed(TEST_TIME_NOW);
        originalDateTimeZone = DateTimeZone.getDefault();
        originalTimeZone = TimeZone.getDefault();
        originalLocale = Locale.getDefault();
        DateTimeZone.setDefault(LONDON);
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Locale.setDefault(Locale.UK);
    }

    protected void tearDown() throws Exception {
        DateTimeUtils.setCurrentMillisSystem();
        DateTimeZone.setDefault(originalDateTimeZone);
        TimeZone.setDefault(originalTimeZone);
        Locale.setDefault(originalLocale);
        originalDateTimeZone = null;
        originalTimeZone = null;
        originalLocale = null;
    }

    //-----------------------------------------------------------------------
    /**
     * Test constructor ()
     */
    public void testZERO() throws Throwable {
        Duration test = Duration.ZERO;
        assertEquals(0, test.getMillis());
    }

    //-----------------------------------------------------------------------
    public void testParse_noFormatter() throws Throwable {
        assertEquals(new Duration(3200), Duration.parse("PT3.2S"));
        assertEquals(new Duration(6000), Duration.parse("PT6S"));
    }

    //-----------------------------------------------------------------------
    public void testFactory_standardDays_long() throws Throwable {
        Duration test = Duration.standardDays(1);
        assertEquals(24L * 60L * 60L * 1000L, test.getMillis());
        
        test = Duration.standardDays(2);
        assertEquals(2L * 24L * 60L * 60L * 1000L, test.getMillis());
        
        test = Duration.standardDays(0);
        assertSame(Duration.ZERO, test);
    }

    //-----------------------------------------------------------------------
    public void testFactory_standardHours_long() throws Throwable {
        Duration test = Duration.standardHours(1);
        assertEquals(60L * 60L * 1000L, test.getMillis());
        
        test = Duration.standardHours(2);
        assertEquals(2L * 60L * 60L * 1000L, test.getMillis());
        
        test = Duration.standardHours(0);
        assertSame(Duration.ZERO, test);
    }

    //-----------------------------------------------------------------------
    public void testFactory_standardMinutes_long() throws Throwable {
        Duration test = Duration.standardMinutes(1);
        assertEquals(60L * 1000L, test.getMillis());
        
        test = Duration.standardMinutes(2);
        assertEquals(2L * 60L * 1000L, test.getMillis());
        
        test = Duration.standardMinutes(0);
        assertSame(Duration.ZERO, test);
    }

    //-----------------------------------------------------------------------
    public void testFactory_standardSeconds_long() throws Throwable {
        Duration test = Duration.standardSeconds(1);
        assertEquals(1000L, test.getMillis());
        
        test = Duration.standardSeconds(2);
        assertEquals(2L * 1000L, test.getMillis());
        
        test = Duration.standardSeconds(0);
        assertSame(Duration.ZERO, test);
    }

    //-----------------------------------------------------------------------
    public void testFactory_millis_long() throws Throwable {
        Duration test = Duration.millis(1);
        assertEquals(1L, test.getMillis());
        
        test = Duration.millis(2);
        assertEquals(2L, test.getMillis());
        
        test = Duration.millis(0);
        assertSame(Duration.ZERO, test);
    }

    //-----------------------------------------------------------------------
    public void testConstructor_long1() throws Throwable {
        long length = 4 * DateTimeConstants.MILLIS_PER_DAY +
                5 * DateTimeConstants.MILLIS_PER_HOUR +
                6 * DateTimeConstants.MILLIS_PER_MINUTE +
                7 * DateTimeConstants.MILLIS_PER_SECOND + 8;
        Duration test = new Duration(length);
        assertEquals(length, test.getMillis());
    }

    //-----------------------------------------------------------------------
    public void testConstructor_long_long1() throws Throwable {
        DateTime dt1 = new DateTime(2004, 6, 9, 0, 0, 0, 0);
        DateTime dt2 = new DateTime(2005, 7, 10, 1, 1, 1, 1);
        Duration test = new Duration(dt1.getMillis(), dt2.getMillis());
        assertEquals(dt2.getMillis() - dt1.getMillis(), test.getMillis());
    }

    //-----------------------------------------------------------------------
    public void testConstructor_RI_RI1() throws Throwable {
        DateTime dt1 = new DateTime(2004, 6, 9, 0, 0, 0, 0);
        DateTime dt2 = new DateTime(2005, 7, 10, 1, 1, 1, 1);
        Duration test = new Duration(dt1, dt2);
        assertEquals(dt2.getMillis() - dt1.getMillis(), test.getMillis());
    }

    public void testConstructor_RI_RI2() throws Throwable {
        DateTime dt1 = null;  // 2002-06-09T01:00+01:00
        DateTime dt2 = new DateTime(2005, 7, 17, 1, 1, 1, 1);
        Duration test = new Duration(dt1, dt2);
        assertEquals(dt2.getMillis() - TEST_TIME_NOW, test.getMillis());
    }

    public void testConstructor_RI_RI3() throws Throwable {
        DateTime dt1 = new DateTime(2005, 7, 17, 1, 1, 1, 1);
        DateTime dt2 = null;  // 2002-06-09T01:00+01:00
        Duration test = new Duration(dt1, dt2);
        assertEquals(TEST_TIME_NOW - dt1.getMillis(), test.getMillis());
    }

    public void testConstructor_RI_RI4() throws Throwable {
        DateTime dt1 = null;  // 2002-06-09T01:00+01:00
        DateTime dt2 = null;  // 2002-06-09T01:00+01:00
        Duration test = new Duration(dt1, dt2);
        assertEquals(0L, test.getMillis());
    }

    //-----------------------------------------------------------------------
    /**
     * Test constructor (Object)
     */
    public void testConstructor_Object1() throws Throwable {
        Duration test = new Duration("PT72.345S");
        assertEquals(72345, test.getMillis());
    }

    public void testConstructor_Object2() throws Throwable {
        Duration test = new Duration((Object) null);
        assertEquals(0L, test.getMillis());
    }

    public void testConstructor_Object3() throws Throwable {
        long length = 4 * DateTimeConstants.MILLIS_PER_DAY +
                5 * DateTimeConstants.MILLIS_PER_HOUR +
                6 * DateTimeConstants.MILLIS_PER_MINUTE +
                7 * DateTimeConstants.MILLIS_PER_SECOND + 8;
        Long base = new Long(length);
        Duration test = new Duration(base);
        assertEquals(length, test.getMillis());
    }

    public void testConstructor_Object4() throws Throwable {
        DateTime dt1 = new DateTime(2004, 6, 9, 0, 0, 0, 0);
        DateTime dt2 = new DateTime(2005, 7, 10, 1, 1, 1, 1);
        Duration base = new Duration(dt1, dt2);
        Duration test = new Duration(base);
        assertEquals(dt2.getMillis() - dt1.getMillis(), test.getMillis());
    }

    public void testConstructor_Object5() throws Throwable {
        DateTime dt1 = new DateTime(2004, 6, 9, 0, 0, 0, 0);
        DateTime dt2 = new DateTime(2005, 7, 10, 1, 1, 1, 1);
        Interval base = new Interval(dt1, dt2);
        Duration test = new Duration(base);
        assertEquals(dt2.getMillis() - dt1.getMillis(), test.getMillis());
    }

    //-----------------------------------------------------------------------
    /**
     * Test constructor overflow
     */
    public void testConstructor_Overflow1() {
        try {
            Duration test = new Duration(-1, Long.MAX_VALUE);
            fail();
        } catch (ArithmeticException ex) {
            // expected
        }
    }

    public void testConstructor_Overflow2() {
        try {
            Duration test = new Duration(Long.MIN_VALUE, 1);
            fail();
        } catch (ArithmeticException ex) {
            // expected
        }
    }

    public void testConstructor_Overflow3() {
        try {
            Instant max= new Instant(Long.MAX_VALUE);
            Duration test = new Duration(new Instant(-1), max);
            fail();
        } catch (ArithmeticException ex) {
            // expected
        }
    }

    public void testConstructor_Overflow4() {
        try {
            Instant min = new Instant(Long.MIN_VALUE);
            Duration test = new Duration(min, new Instant(1));
            fail();
        } catch (ArithmeticException ex) {
            // expected
        }
    }
}

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