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Java example source code file (TestPeriodType.java)

This example Java source code file (TestPeriodType.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

bytearrayinputstream, bytearrayoutputstream, datetimezone, durationfieldtype, europe/london, exception, hours, illegalargumentexception, objectinputstream, objectoutputstream, periodtype, standardnodays, standardnoseconds, testperiodtype, util

The TestPeriodType.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.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Locale;
import java.util.TimeZone;

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

/**
 * This class is a JUnit test for PeriodType.
 *
 * @author Stephen Colebourne
 */
public class TestPeriodType 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(TestPeriodType.class);
    }

    public TestPeriodType(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;
    }

    //-----------------------------------------------------------------------
    public void testTest() {
        assertEquals("2002-06-09T00:00:00.000Z", new Instant(TEST_TIME_NOW).toString());
        assertEquals("2002-04-05T12:24:00.000Z", new Instant(TEST_TIME1).toString());
        assertEquals("2003-05-06T14:28:00.000Z", new Instant(TEST_TIME2).toString());
    }

    //-----------------------------------------------------------------------
    private void assertEqualsAfterSerialization(PeriodType type) throws Exception {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(type);
        oos.close();
        byte[] bytes = baos.toByteArray();
        
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        ObjectInputStream ois = new ObjectInputStream(bais);
        PeriodType result = (PeriodType) ois.readObject();
        ois.close();
        
        assertEquals(type, result);
    }

    private void assertSameAfterSerialization(PeriodType type) throws Exception {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(type);
        oos.close();
        byte[] bytes = baos.toByteArray();
        
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        ObjectInputStream ois = new ObjectInputStream(bais);
        PeriodType result = (PeriodType) ois.readObject();
        ois.close();
        
        assertEquals(type, result);
    }

    //-----------------------------------------------------------------------
    public void testStandard() throws Exception {
        PeriodType type = PeriodType.standard();
        assertEquals(8, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.months(), type.getFieldType(1));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(2));
        assertEquals(DurationFieldType.days(), type.getFieldType(3));
        assertEquals(DurationFieldType.hours(), type.getFieldType(4));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(5));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(6));
        assertEquals(DurationFieldType.millis(), type.getFieldType(7));
        assertEquals("Standard", type.getName());
        assertEquals("PeriodType[Standard]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.standard());
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.standard().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testYearMonthDayTime() throws Exception {
        PeriodType type = PeriodType.yearMonthDayTime();
        assertEquals(7, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.months(), type.getFieldType(1));
        assertEquals(DurationFieldType.days(), type.getFieldType(2));
        assertEquals(DurationFieldType.hours(), type.getFieldType(3));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(4));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(5));
        assertEquals(DurationFieldType.millis(), type.getFieldType(6));
        assertEquals("YearMonthDayTime", type.getName());
        assertEquals("PeriodType[YearMonthDayTime]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.yearMonthDayTime());
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.yearMonthDayTime().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testYearMonthDay() throws Exception {
        PeriodType type = PeriodType.yearMonthDay();
        assertEquals(3, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.months(), type.getFieldType(1));
        assertEquals(DurationFieldType.days(), type.getFieldType(2));
        assertEquals("YearMonthDay", type.getName());
        assertEquals("PeriodType[YearMonthDay]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.yearMonthDay());
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.yearMonthDay().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testYearWeekDayTime() throws Exception {
        PeriodType type = PeriodType.yearWeekDayTime();
        assertEquals(7, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(1));
        assertEquals(DurationFieldType.days(), type.getFieldType(2));
        assertEquals(DurationFieldType.hours(), type.getFieldType(3));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(4));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(5));
        assertEquals(DurationFieldType.millis(), type.getFieldType(6));
        assertEquals("YearWeekDayTime", type.getName());
        assertEquals("PeriodType[YearWeekDayTime]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.yearWeekDayTime());
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.yearWeekDayTime().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testYearWeekDay() throws Exception {
        PeriodType type = PeriodType.yearWeekDay();
        assertEquals(3, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(1));
        assertEquals(DurationFieldType.days(), type.getFieldType(2));
        assertEquals("YearWeekDay", type.getName());
        assertEquals("PeriodType[YearWeekDay]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.yearWeekDay());
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.yearWeekDay().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testYearDayTime() throws Exception {
        PeriodType type = PeriodType.yearDayTime();
        assertEquals(6, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.days(), type.getFieldType(1));
        assertEquals(DurationFieldType.hours(), type.getFieldType(2));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(3));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(4));
        assertEquals(DurationFieldType.millis(), type.getFieldType(5));
        assertEquals("YearDayTime", type.getName());
        assertEquals("PeriodType[YearDayTime]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.yearDayTime());
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.yearDayTime().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testYearDay() throws Exception {
        PeriodType type = PeriodType.yearDay();
        assertEquals(2, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.days(), type.getFieldType(1));
        assertEquals("YearDay", type.getName());
        assertEquals("PeriodType[YearDay]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.yearDay());
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.yearDay().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testDayTime() throws Exception {
        PeriodType type = PeriodType.dayTime();
        assertEquals(5, type.size());
        assertEquals(DurationFieldType.days(), type.getFieldType(0));
        assertEquals(DurationFieldType.hours(), type.getFieldType(1));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(2));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(3));
        assertEquals(DurationFieldType.millis(), type.getFieldType(4));
        assertEquals("DayTime", type.getName());
        assertEquals("PeriodType[DayTime]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.dayTime());
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.dayTime().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testTime() throws Exception {
        PeriodType type = PeriodType.time();
        assertEquals(4, type.size());
        assertEquals(DurationFieldType.hours(), type.getFieldType(0));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(1));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(2));
        assertEquals(DurationFieldType.millis(), type.getFieldType(3));
        assertEquals("Time", type.getName());
        assertEquals("PeriodType[Time]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.time());
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.time().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testYears() throws Exception {
        PeriodType type = PeriodType.years();
        assertEquals(1, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals("Years", type.getName());
        assertEquals("PeriodType[Years]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.years());
        assertEquals(false, type.equals(PeriodType.standard()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.years().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.standard().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMonths() throws Exception {
        PeriodType type = PeriodType.months();
        assertEquals(1, type.size());
        assertEquals(DurationFieldType.months(), type.getFieldType(0));
        assertEquals("Months", type.getName());
        assertEquals("PeriodType[Months]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.months());
        assertEquals(false, type.equals(PeriodType.standard()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.months().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.standard().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testWeeks() throws Exception {
        PeriodType type = PeriodType.weeks();
        assertEquals(1, type.size());
        assertEquals(DurationFieldType.weeks(), type.getFieldType(0));
        assertEquals("Weeks", type.getName());
        assertEquals("PeriodType[Weeks]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.weeks());
        assertEquals(false, type.equals(PeriodType.standard()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.weeks().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.standard().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testDays() throws Exception {
        PeriodType type = PeriodType.days();
        assertEquals(1, type.size());
        assertEquals(DurationFieldType.days(), type.getFieldType(0));
        assertEquals("Days", type.getName());
        assertEquals("PeriodType[Days]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.days());
        assertEquals(false, type.equals(PeriodType.standard()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.days().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.standard().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testHours() throws Exception {
        PeriodType type = PeriodType.hours();
        assertEquals(1, type.size());
        assertEquals(DurationFieldType.hours(), type.getFieldType(0));
        assertEquals("Hours", type.getName());
        assertEquals("PeriodType[Hours]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.hours());
        assertEquals(false, type.equals(PeriodType.standard()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.hours().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.standard().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMinutes() throws Exception {
        PeriodType type = PeriodType.minutes();
        assertEquals(1, type.size());
        assertEquals(DurationFieldType.minutes(), type.getFieldType(0));
        assertEquals("Minutes", type.getName());
        assertEquals("PeriodType[Minutes]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.minutes());
        assertEquals(false, type.equals(PeriodType.standard()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.minutes().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.standard().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testSeconds() throws Exception {
        PeriodType type = PeriodType.seconds();
        assertEquals(1, type.size());
        assertEquals(DurationFieldType.seconds(), type.getFieldType(0));
        assertEquals("Seconds", type.getName());
        assertEquals("PeriodType[Seconds]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.seconds());
        assertEquals(false, type.equals(PeriodType.standard()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.seconds().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.standard().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMillis() throws Exception {
        PeriodType type = PeriodType.millis();
        assertEquals(1, type.size());
        assertEquals(DurationFieldType.millis(), type.getFieldType(0));
        assertEquals("Millis", type.getName());
        assertEquals("PeriodType[Millis]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.millis());
        assertEquals(false, type.equals(PeriodType.standard()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.millis().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.standard().hashCode());
        assertSameAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testForFields1() throws Exception {
        PeriodType type = PeriodType.forFields(new DurationFieldType[] {
            DurationFieldType.years(),
        });
        assertSame(PeriodType.years(), type);
        type = PeriodType.forFields(new DurationFieldType[] {
            DurationFieldType.months(),
        });
        assertSame(PeriodType.months(), type);
        type = PeriodType.forFields(new DurationFieldType[] {
                DurationFieldType.weeks(),
        });
        assertSame(PeriodType.weeks(), type);
        type = PeriodType.forFields(new DurationFieldType[] {
                DurationFieldType.days(),
        });
        assertSame(PeriodType.days(), type);
        type = PeriodType.forFields(new DurationFieldType[] {
                DurationFieldType.hours(),
        });
        assertSame(PeriodType.hours(), type);
        type = PeriodType.forFields(new DurationFieldType[] {
                DurationFieldType.minutes(),
        });
        assertSame(PeriodType.minutes(), type);
        type = PeriodType.forFields(new DurationFieldType[] {
                DurationFieldType.seconds(),
        });
        assertSame(PeriodType.seconds(), type);
        type = PeriodType.forFields(new DurationFieldType[] {
                DurationFieldType.millis(),
        });
        assertSame(PeriodType.millis(), type);
    }

    public void testForFields2() throws Exception {
        DurationFieldType[] types = new DurationFieldType[] {
            DurationFieldType.years(),
            DurationFieldType.hours(),
        };
        PeriodType type = PeriodType.forFields(types);
        assertEquals(2, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.hours(), type.getFieldType(1));
        assertEquals("StandardNoMonthsNoWeeksNoDaysNoMinutesNoSecondsNoMillis", type.getName());
        assertEquals("PeriodType[StandardNoMonthsNoWeeksNoDaysNoMinutesNoSecondsNoMillis]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.forFields(types));
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.forFields(types).hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertSameAfterSerialization(type);
    }

    public void testForFields3() throws Exception {
        DurationFieldType[] types = new DurationFieldType[] {
            DurationFieldType.months(),
            DurationFieldType.weeks(),
        };
        PeriodType type = PeriodType.forFields(types);
        assertEquals(2, type.size());
        assertEquals(DurationFieldType.months(), type.getFieldType(0));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(1));
        assertEquals("StandardNoYearsNoDaysNoHoursNoMinutesNoSecondsNoMillis", type.getName());
        assertEquals("PeriodType[StandardNoYearsNoDaysNoHoursNoMinutesNoSecondsNoMillis]", type.toString());
        assertEquals(true, type.equals(type));
        assertEquals(true, type == PeriodType.forFields(types));
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.forFields(types).hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertSameAfterSerialization(type);
    }

    public void testForFields4() throws Exception {
        DurationFieldType[] types = new DurationFieldType[] {
            DurationFieldType.weeks(),
            DurationFieldType.days(),  // adding this makes this test unique, so cache is not pre-populated
            DurationFieldType.months(),
        };
        DurationFieldType[] types2 = new DurationFieldType[] {
            DurationFieldType.months(),
            DurationFieldType.days(),
            DurationFieldType.weeks(),
        };
        PeriodType type = PeriodType.forFields(types);
        PeriodType type2 = PeriodType.forFields(types2);
        assertEquals(true, type == type2);
    }

    public void testForFields5() throws Exception {
        DurationFieldType[] types = new DurationFieldType[] {
            DurationFieldType.centuries(),
            DurationFieldType.months(),
        };
        try {
            PeriodType.forFields(types);
            fail();
        } catch (IllegalArgumentException ex) {
            // expected
        }
        try {
            PeriodType.forFields(types);  // repeated for test coverage of cache
            fail();
        } catch (IllegalArgumentException ex) {
            // expected
        }
    }

    public void testForFields6() throws Exception {
        DurationFieldType[] types = null;
        try {
            PeriodType.forFields(types);
            fail();
        } catch (IllegalArgumentException ex) {
            // expected
        }
        
        types = new DurationFieldType[0];
        try {
            PeriodType.forFields(types);
            fail();
        } catch (IllegalArgumentException ex) {
            // expected
        }
        
        types = new DurationFieldType[] {
            null,
            DurationFieldType.months(),
        };
        try {
            PeriodType.forFields(types);
            fail();
        } catch (IllegalArgumentException ex) {
            // expected
        }
        
        types = new DurationFieldType[] {
            DurationFieldType.months(),
            null,
        };
        try {
            PeriodType.forFields(types);
            fail();
        } catch (IllegalArgumentException ex) {
            // expected
        }
    }

    // ensure hash key distribution
    public void testForFields7() throws Exception {
        DurationFieldType[] types = new DurationFieldType[] {
            DurationFieldType.weeks(),
            DurationFieldType.months(),
        };
        DurationFieldType[] types2 = new DurationFieldType[] {
            DurationFieldType.seconds(),
        };
        PeriodType type = PeriodType.forFields(types);
        PeriodType type2 = PeriodType.forFields(types2);
        assertEquals(false, type == type2);
        assertEquals(false, type.equals(type2));
        assertEquals(false, type.hashCode() == type2.hashCode());
    }

    //-----------------------------------------------------------------------
    public void testMaskYears() throws Exception {
        PeriodType type = PeriodType.standard().withYearsRemoved();
        assertEquals(7, type.size());
        assertEquals(DurationFieldType.months(), type.getFieldType(0));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(1));
        assertEquals(DurationFieldType.days(), type.getFieldType(2));
        assertEquals(DurationFieldType.hours(), type.getFieldType(3));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(4));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(5));
        assertEquals(DurationFieldType.millis(), type.getFieldType(6));
        assertEquals(true, type.equals(type));
        assertEquals(true, type.equals(PeriodType.standard().withYearsRemoved()));
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.standard().withYearsRemoved().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertEquals("StandardNoYears", type.getName());
        assertEquals("PeriodType[StandardNoYears]", type.toString());
        assertEqualsAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMaskMonths() throws Exception {
        PeriodType type = PeriodType.standard().withMonthsRemoved();
        assertEquals(7, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(1));
        assertEquals(DurationFieldType.days(), type.getFieldType(2));
        assertEquals(DurationFieldType.hours(), type.getFieldType(3));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(4));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(5));
        assertEquals(DurationFieldType.millis(), type.getFieldType(6));
        assertEquals(true, type.equals(type));
        assertEquals(true, type.equals(PeriodType.standard().withMonthsRemoved()));
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.standard().withMonthsRemoved().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertEquals("StandardNoMonths", type.getName());
        assertEquals("PeriodType[StandardNoMonths]", type.toString());
        assertEqualsAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMaskWeeks() throws Exception {
        PeriodType type = PeriodType.standard().withWeeksRemoved();
        assertEquals(7, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.months(), type.getFieldType(1));
        assertEquals(DurationFieldType.days(), type.getFieldType(2));
        assertEquals(DurationFieldType.hours(), type.getFieldType(3));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(4));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(5));
        assertEquals(DurationFieldType.millis(), type.getFieldType(6));
        assertEquals(true, type.equals(type));
        assertEquals(true, type.equals(PeriodType.standard().withWeeksRemoved()));
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.standard().withWeeksRemoved().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertEquals("StandardNoWeeks", type.getName());
        assertEquals("PeriodType[StandardNoWeeks]", type.toString());
        assertEqualsAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMaskDays() throws Exception {
        PeriodType type = PeriodType.standard().withDaysRemoved();
        assertEquals(7, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.months(), type.getFieldType(1));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(2));
        assertEquals(DurationFieldType.hours(), type.getFieldType(3));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(4));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(5));
        assertEquals(DurationFieldType.millis(), type.getFieldType(6));
        assertEquals(true, type.equals(type));
        assertEquals(true, type.equals(PeriodType.standard().withDaysRemoved()));
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.standard().withDaysRemoved().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertEquals("StandardNoDays", type.getName());
        assertEquals("PeriodType[StandardNoDays]", type.toString());
        assertEqualsAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMaskHours() throws Exception {
        PeriodType type = PeriodType.standard().withHoursRemoved();
        assertEquals(7, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.months(), type.getFieldType(1));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(2));
        assertEquals(DurationFieldType.days(), type.getFieldType(3));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(4));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(5));
        assertEquals(DurationFieldType.millis(), type.getFieldType(6));
        assertEquals(true, type.equals(type));
        assertEquals(true, type.equals(PeriodType.standard().withHoursRemoved()));
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.standard().withHoursRemoved().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertEquals("StandardNoHours", type.getName());
        assertEquals("PeriodType[StandardNoHours]", type.toString());
        assertEqualsAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMaskMinutes() throws Exception {
        PeriodType type = PeriodType.standard().withMinutesRemoved();
        assertEquals(7, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.months(), type.getFieldType(1));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(2));
        assertEquals(DurationFieldType.days(), type.getFieldType(3));
        assertEquals(DurationFieldType.hours(), type.getFieldType(4));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(5));
        assertEquals(DurationFieldType.millis(), type.getFieldType(6));
        assertEquals(true, type.equals(type));
        assertEquals(true, type.equals(PeriodType.standard().withMinutesRemoved()));
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.standard().withMinutesRemoved().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertEquals("StandardNoMinutes", type.getName());
        assertEquals("PeriodType[StandardNoMinutes]", type.toString());
        assertEqualsAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMaskSeconds() throws Exception {
        PeriodType type = PeriodType.standard().withSecondsRemoved();
        assertEquals(7, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.months(), type.getFieldType(1));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(2));
        assertEquals(DurationFieldType.days(), type.getFieldType(3));
        assertEquals(DurationFieldType.hours(), type.getFieldType(4));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(5));
        assertEquals(DurationFieldType.millis(), type.getFieldType(6));
        assertEquals(true, type.equals(type));
        assertEquals(true, type.equals(PeriodType.standard().withSecondsRemoved()));
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.standard().withSecondsRemoved().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertEquals("StandardNoSeconds", type.getName());
        assertEquals("PeriodType[StandardNoSeconds]", type.toString());
        assertEqualsAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMaskMillis() throws Exception {
        PeriodType type = PeriodType.standard().withMillisRemoved();
        assertEquals(7, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.months(), type.getFieldType(1));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(2));
        assertEquals(DurationFieldType.days(), type.getFieldType(3));
        assertEquals(DurationFieldType.hours(), type.getFieldType(4));
        assertEquals(DurationFieldType.minutes(), type.getFieldType(5));
        assertEquals(DurationFieldType.seconds(), type.getFieldType(6));
        assertEquals(true, type.equals(type));
        assertEquals(true, type.equals(PeriodType.standard().withMillisRemoved()));
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.standard().withMillisRemoved().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertEquals("StandardNoMillis", type.getName());
        assertEquals("PeriodType[StandardNoMillis]", type.toString());
        assertEqualsAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMaskHoursMinutesSeconds() throws Exception {
        PeriodType type = PeriodType.standard().withHoursRemoved().withMinutesRemoved().withSecondsRemoved();
        assertEquals(5, type.size());
        assertEquals(DurationFieldType.years(), type.getFieldType(0));
        assertEquals(DurationFieldType.months(), type.getFieldType(1));
        assertEquals(DurationFieldType.weeks(), type.getFieldType(2));
        assertEquals(DurationFieldType.days(), type.getFieldType(3));
        assertEquals(DurationFieldType.millis(), type.getFieldType(4));
        assertEquals(true, type.equals(type));
        assertEquals(true, type.equals(PeriodType.standard().withHoursRemoved().withMinutesRemoved().withSecondsRemoved()));
        assertEquals(false, type.equals(PeriodType.millis()));
        assertEquals(true, type.hashCode() == type.hashCode());
        assertEquals(true, type.hashCode() == PeriodType.standard().withHoursRemoved().withMinutesRemoved().withSecondsRemoved().hashCode());
        assertEquals(false, type.hashCode() == PeriodType.millis().hashCode());
        assertEquals("StandardNoHoursNoMinutesNoSeconds", type.getName());
        assertEquals("PeriodType[StandardNoHoursNoMinutesNoSeconds]", type.toString());
        assertEqualsAfterSerialization(type);
    }

    //-----------------------------------------------------------------------
    public void testMaskTwice1() throws Exception {
        PeriodType type = PeriodType.standard().withYearsRemoved();
        PeriodType type2 = type.withYearsRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.standard().withMonthsRemoved();
        type2 = type.withMonthsRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.standard().withWeeksRemoved();
        type2 = type.withWeeksRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.standard().withDaysRemoved();
        type2 = type.withDaysRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.standard().withHoursRemoved();
        type2 = type.withHoursRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.standard().withMinutesRemoved();
        type2 = type.withMinutesRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.standard().withSecondsRemoved();
        type2 = type.withSecondsRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.standard().withMillisRemoved();
        type2 = type.withMillisRemoved();
        assertEquals(true, type == type2);
    }

    //-----------------------------------------------------------------------
    public void testMaskTwice2() throws Exception {
        PeriodType type = PeriodType.dayTime();
        PeriodType type2 = type.withYearsRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.dayTime();
        type2 = type.withMonthsRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.dayTime();
        type2 = type.withWeeksRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.millis();
        type2 = type.withDaysRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.millis();
        type2 = type.withHoursRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.millis();
        type2 = type.withMinutesRemoved();
        assertEquals(true, type == type2);
        
        type = PeriodType.millis();
        type2 = type.withSecondsRemoved();
        assertEquals(true, type == type2);
    }

    //-----------------------------------------------------------------------
    public void testEquals() throws Exception {
        PeriodType type = PeriodType.dayTime().withMillisRemoved();
        assertEquals(true, type.equals(type));
        assertEquals(true, type.equals(PeriodType.dayTime().withMillisRemoved()));
        assertEquals(false, type.equals(null));
        assertEquals(false, type.equals(""));
    }

    public void testHashCode() throws Exception {
        PeriodType type = PeriodType.dayTime().withMillisRemoved();
        assertEquals(type.hashCode(), type.hashCode());
    }

    //-----------------------------------------------------------------------
    public void testIsSupported() throws Exception {
        PeriodType type = PeriodType.dayTime().withMillisRemoved();
        assertEquals(false, type.isSupported(DurationFieldType.years()));
        assertEquals(false, type.isSupported(DurationFieldType.months()));
        assertEquals(false, type.isSupported(DurationFieldType.weeks()));
        assertEquals(true, type.isSupported(DurationFieldType.days()));
        assertEquals(true, type.isSupported(DurationFieldType.hours()));
        assertEquals(true, type.isSupported(DurationFieldType.minutes()));
        assertEquals(true, type.isSupported(DurationFieldType.seconds()));
        assertEquals(false, type.isSupported(DurationFieldType.millis()));
    }

    //-----------------------------------------------------------------------
    public void testIndexOf() throws Exception {
        PeriodType type = PeriodType.dayTime().withMillisRemoved();
        assertEquals(-1, type.indexOf(DurationFieldType.years()));
        assertEquals(-1, type.indexOf(DurationFieldType.months()));
        assertEquals(-1, type.indexOf(DurationFieldType.weeks()));
        assertEquals(0, type.indexOf(DurationFieldType.days()));
        assertEquals(1, type.indexOf(DurationFieldType.hours()));
        assertEquals(2, type.indexOf(DurationFieldType.minutes()));
        assertEquals(3, type.indexOf(DurationFieldType.seconds()));
        assertEquals(-1, type.indexOf(DurationFieldType.millis()));
    }

}

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