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Java example source code file (TestPeriodFormatter.java)

This example Java source code file (TestPeriodFormatter.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

abc, asia/tokyo, buddhist_paris, chararraywriter, chronology, datetimezone, europe/london, illegalargumentexception, mutableperiod, period, periodformatter, stringbuffer, testperiodformatter, unsupportedoperationexception, util

The TestPeriodFormatter.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.format;

import java.io.CharArrayWriter;
import java.util.Locale;
import java.util.TimeZone;

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

import org.joda.time.Chronology;
import org.joda.time.DateTimeConstants;
import org.joda.time.DateTimeUtils;
import org.joda.time.DateTimeZone;
import org.joda.time.MutablePeriod;
import org.joda.time.Period;
import org.joda.time.PeriodType;
import org.joda.time.chrono.BuddhistChronology;
import org.joda.time.chrono.ISOChronology;

/**
 * This class is a Junit unit test for Period Formating.
 *
 * @author Stephen Colebourne
 */
public class TestPeriodFormatter extends TestCase {

    private static final DateTimeZone UTC = DateTimeZone.UTC;
    private static final DateTimeZone PARIS = DateTimeZone.forID("Europe/Paris");
    private static final DateTimeZone LONDON = DateTimeZone.forID("Europe/London");
    private static final DateTimeZone TOKYO = DateTimeZone.forID("Asia/Tokyo");
    private static final DateTimeZone NEWYORK = DateTimeZone.forID("America/New_York");
    private static final Chronology ISO_UTC = ISOChronology.getInstanceUTC();
    private static final Chronology ISO_PARIS = ISOChronology.getInstance(PARIS);
    private static final Chronology BUDDHIST_PARIS = BuddhistChronology.getInstance(PARIS);

    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;
    // 2002-06-09
    private long TEST_TIME_NOW =
            (y2002days + 31L + 28L + 31L + 30L + 31L + 9L -1L) * DateTimeConstants.MILLIS_PER_DAY;

    private DateTimeZone originalDateTimeZone = null;
    private TimeZone originalTimeZone = null;
    private Locale originalLocale = null;
    private PeriodFormatter f = null;

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

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

    public TestPeriodFormatter(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);
        f = ISOPeriodFormat.standard();
    }

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

    //-----------------------------------------------------------------------
    public void testPrint_simple() {
        Period p = new Period(1, 2, 3, 4, 5, 6, 7, 8);
        assertEquals("P1Y2M3W4DT5H6M7.008S", f.print(p));
    }

    //-----------------------------------------------------------------------
    public void testPrint_bufferMethods() throws Exception {
        Period p = new Period(1, 2, 3, 4, 5, 6, 7, 8);
        StringBuffer buf = new StringBuffer();
        f.printTo(buf, p);
        assertEquals("P1Y2M3W4DT5H6M7.008S", buf.toString());
        
        buf = new StringBuffer();
        try {
            f.printTo(buf, null);
            fail();
        } catch (IllegalArgumentException ex) {}
    }

    //-----------------------------------------------------------------------
    public void testPrint_writerMethods() throws Exception {
        Period p = new Period(1, 2, 3, 4, 5, 6, 7, 8);
        CharArrayWriter out = new CharArrayWriter();
        f.printTo(out, p);
        assertEquals("P1Y2M3W4DT5H6M7.008S", out.toString());
        
        out = new CharArrayWriter();
        try {
            f.printTo(out, null);
            fail();
        } catch (IllegalArgumentException ex) {}
    }

    //-----------------------------------------------------------------------
    public void testWithGetLocaleMethods() {
        PeriodFormatter f2 = f.withLocale(Locale.FRENCH);
        assertEquals(Locale.FRENCH, f2.getLocale());
        assertSame(f2, f2.withLocale(Locale.FRENCH));
        
        f2 = f.withLocale(null);
        assertEquals(null, f2.getLocale());
        assertSame(f2, f2.withLocale(null));
    }

    public void testWithGetParseTypeMethods() {
        PeriodFormatter f2 = f.withParseType(PeriodType.dayTime());
        assertEquals(PeriodType.dayTime(), f2.getParseType());
        assertSame(f2, f2.withParseType(PeriodType.dayTime()));
        
        f2 = f.withParseType(null);
        assertEquals(null, f2.getParseType());
        assertSame(f2, f2.withParseType(null));
    }

    public void testPrinterParserMethods() {
        Period p = new Period(1, 2, 3, 4, 5, 6, 7, 8);
        PeriodFormatter f2 = new PeriodFormatter(f.getPrinter(), f.getParser());
        assertEquals(f.getPrinter(), f2.getPrinter());
        assertEquals(f.getParser(), f2.getParser());
        assertEquals(true, f2.isPrinter());
        assertEquals(true, f2.isParser());
        assertNotNull(f2.print(p));
        assertNotNull(f2.parsePeriod("P1Y2M3W4DT5H6M7.008S"));
        
        f2 = new PeriodFormatter(f.getPrinter(), null);
        assertEquals(f.getPrinter(), f2.getPrinter());
        assertEquals(null, f2.getParser());
        assertEquals(true, f2.isPrinter());
        assertEquals(false, f2.isParser());
        assertNotNull(f2.print(p));
        try {
            assertNotNull(f2.parsePeriod("P1Y2M3W4DT5H6M7.008S"));
            fail();
        } catch (UnsupportedOperationException ex) {}
        
        f2 = new PeriodFormatter(null, f.getParser());
        assertEquals(null, f2.getPrinter());
        assertEquals(f.getParser(), f2.getParser());
        assertEquals(false, f2.isPrinter());
        assertEquals(true, f2.isParser());
        try {
            f2.print(p);
            fail();
        } catch (UnsupportedOperationException ex) {}
        assertNotNull(f2.parsePeriod("P1Y2M3W4DT5H6M7.008S"));
    }

    //-----------------------------------------------------------------------
    public void testParsePeriod_simple() {
        Period expect = new Period(1, 2, 3, 4, 5, 6, 7, 8);
        assertEquals(expect, f.parsePeriod("P1Y2M3W4DT5H6M7.008S"));
        
        try {
            f.parsePeriod("ABC");
            fail();
        } catch (IllegalArgumentException ex) {}
    }

    public void testParsePeriod_parseType() {
        Period expect = new Period(0, 0, 0, 4, 5, 6, 7, 8, PeriodType.dayTime());
        assertEquals(expect, f.withParseType(PeriodType.dayTime()).parsePeriod("P4DT5H6M7.008S"));
        try {
            f.withParseType(PeriodType.dayTime()).parsePeriod("P3W4DT5H6M7.008S");
            fail();
        } catch (IllegalArgumentException ex) {}
    }

    //-----------------------------------------------------------------------
    public void testParseMutablePeriod_simple() {
        MutablePeriod expect = new MutablePeriod(1, 2, 3, 4, 5, 6, 7, 8);
        assertEquals(expect, f.parseMutablePeriod("P1Y2M3W4DT5H6M7.008S"));
        
        try {
            f.parseMutablePeriod("ABC");
            fail();
        } catch (IllegalArgumentException ex) {}
    }

    //-----------------------------------------------------------------------
    public void testParseInto_simple() {
        MutablePeriod expect = new MutablePeriod(1, 2, 3, 4, 5, 6, 7, 8);
        MutablePeriod result = new MutablePeriod();
        assertEquals(20, f.parseInto(result, "P1Y2M3W4DT5H6M7.008S", 0));
        assertEquals(expect, result);
        
        try {
            f.parseInto(null, "P1Y2M3W4DT5H6M7.008S", 0);
            fail();
        } catch (IllegalArgumentException ex) {}
        
        assertEquals(~0, f.parseInto(result, "ABC", 0));
    }

}

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