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Java example source code file (TestDurationFieldType.java)

This example Java source code file (TestDurationFieldType.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, class, constructor, durationfieldtype, exception, internalerror, objectinputstream, objectoutputstream, reflection, testcase, testdurationfieldtype, testsuite

The TestDurationFieldType.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.lang.reflect.Constructor;

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

import org.joda.time.chrono.CopticChronology;

/**
 * This class is a Junit unit test for DurationFieldType.
 *
 * @author Stephen Colebourne
 */
public class TestDurationFieldType extends TestCase {

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

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

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

    protected void setUp() throws Exception {
    }

    protected void tearDown() throws Exception {
    }

    //-----------------------------------------------------------------------
    public void test_eras() throws Exception {
        assertEquals(DurationFieldType.eras(), DurationFieldType.eras());
        assertEquals("eras", DurationFieldType.eras().getName());
        assertEquals(CopticChronology.getInstanceUTC().eras(), DurationFieldType.eras().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().eras().isSupported(), DurationFieldType.eras().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.eras());
    }

    public void test_centuries() throws Exception {
        assertEquals(DurationFieldType.centuries(), DurationFieldType.centuries());
        assertEquals("centuries", DurationFieldType.centuries().getName());
        assertEquals(CopticChronology.getInstanceUTC().centuries(), DurationFieldType.centuries().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().centuries().isSupported(), DurationFieldType.centuries().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.centuries());
    }

    public void test_years() throws Exception {
        assertEquals(DurationFieldType.years(), DurationFieldType.years());
        assertEquals("years", DurationFieldType.years().getName());
        assertEquals(CopticChronology.getInstanceUTC().years(), DurationFieldType.years().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().years().isSupported(), DurationFieldType.years().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.years());
    }

    public void test_months() throws Exception {
        assertEquals(DurationFieldType.months(), DurationFieldType.months());
        assertEquals("months", DurationFieldType.months().getName());
        assertEquals(CopticChronology.getInstanceUTC().months(), DurationFieldType.months().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().months().isSupported(), DurationFieldType.months().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.months());
    }

    public void test_weekyears() throws Exception {
        assertEquals(DurationFieldType.weekyears(), DurationFieldType.weekyears());
        assertEquals("weekyears", DurationFieldType.weekyears().getName());
        assertEquals(CopticChronology.getInstanceUTC().weekyears(), DurationFieldType.weekyears().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().weekyears().isSupported(), DurationFieldType.weekyears().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.weekyears());
    }

    public void test_weeks() throws Exception {
        assertEquals(DurationFieldType.weeks(), DurationFieldType.weeks());
        assertEquals("weeks", DurationFieldType.weeks().getName());
        assertEquals(CopticChronology.getInstanceUTC().weeks(), DurationFieldType.weeks().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().weeks().isSupported(), DurationFieldType.weeks().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.weeks());
    }

    public void test_days() throws Exception {
        assertEquals(DurationFieldType.days(), DurationFieldType.days());
        assertEquals("days", DurationFieldType.days().getName());
        assertEquals(CopticChronology.getInstanceUTC().days(), DurationFieldType.days().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().days().isSupported(), DurationFieldType.days().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.days());
    }

    public void test_halfdays() throws Exception {
        assertEquals(DurationFieldType.halfdays(), DurationFieldType.halfdays());
        assertEquals("halfdays", DurationFieldType.halfdays().getName());
        assertEquals(CopticChronology.getInstanceUTC().halfdays(), DurationFieldType.halfdays().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().halfdays().isSupported(), DurationFieldType.halfdays().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.halfdays());
    }

    public void test_hours() throws Exception {
        assertEquals(DurationFieldType.hours(), DurationFieldType.hours());
        assertEquals("hours", DurationFieldType.hours().getName());
        assertEquals(CopticChronology.getInstanceUTC().hours(), DurationFieldType.hours().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().hours().isSupported(), DurationFieldType.hours().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.hours());
    }

    public void test_minutes() throws Exception {
        assertEquals(DurationFieldType.minutes(), DurationFieldType.minutes());
        assertEquals("minutes", DurationFieldType.minutes().getName());
        assertEquals(CopticChronology.getInstanceUTC().minutes(), DurationFieldType.minutes().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().minutes().isSupported(), DurationFieldType.minutes().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.minutes());
    }

    public void test_seconds() throws Exception {
        assertEquals(DurationFieldType.seconds(), DurationFieldType.seconds());
        assertEquals("seconds", DurationFieldType.seconds().getName());
        assertEquals(CopticChronology.getInstanceUTC().seconds(), DurationFieldType.seconds().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().seconds().isSupported(), DurationFieldType.seconds().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.seconds());
    }

    public void test_millis() throws Exception {
        assertEquals(DurationFieldType.millis(), DurationFieldType.millis());
        assertEquals("millis", DurationFieldType.millis().getName());
        assertEquals(CopticChronology.getInstanceUTC().millis(), DurationFieldType.millis().getField(CopticChronology.getInstanceUTC()));
        assertEquals(CopticChronology.getInstanceUTC().millis().isSupported(), DurationFieldType.millis().isSupported(CopticChronology.getInstanceUTC()));
        assertSerialization(DurationFieldType.millis());
    }

    public void test_other() throws Exception {
        assertEquals(1, DurationFieldType.class.getDeclaredClasses().length);
        Class cls = DurationFieldType.class.getDeclaredClasses()[0];
        assertEquals(1, cls.getDeclaredConstructors().length);
        Constructor con = cls.getDeclaredConstructors()[0];
        Object[] params = new Object[] {"other", new Byte((byte) 128)};
        DurationFieldType type = (DurationFieldType) con.newInstance(params);
        
        assertEquals("other", type.getName());
        try {
            type.getField(CopticChronology.getInstanceUTC());
            fail();
        } catch (InternalError ex) {}
        DurationFieldType result = doSerialization(type);
        assertEquals(type.getName(), result.getName());
        assertNotSame(type, result);
    }

    //-----------------------------------------------------------------------
    private void assertSerialization(DurationFieldType type) throws Exception {
        DurationFieldType result = doSerialization(type);
        assertSame(type, result);
    }

    private DurationFieldType doSerialization(DurationFieldType 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);
        DurationFieldType result = (DurationFieldType) ois.readObject();
        ois.close();
        return result;
    }

}

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