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Java example source code file (TestDateTimeParserBucket.java)

This example Java source code file (TestDateTimeParserBucket.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

buddhist_paris, chronology, datetimeparserbucket, datetimezone, iso_0400, locale, millis_per_hour, millis_per_minute, object, offset_0400, string, suppresswarnings, testdatetimeparserbucket, testsuite, util

The TestDateTimeParserBucket.java Java example source code

/*
 *  Copyright 2001-2014 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.util.Locale;

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

import org.joda.time.Chronology;
import org.joda.time.DateTimeFieldType;
import org.joda.time.DateTimeZone;
import org.joda.time.chrono.BuddhistChronology;
import org.joda.time.chrono.ISOChronology;

/**
 * Test.
 */
public class TestDateTimeParserBucket extends TestCase {

    private static final DateTimeZone PARIS = DateTimeZone.forID("Europe/Paris");
    private static final DateTimeZone LONDON = DateTimeZone.forID("Europe/London");
    private static final Chronology BUDDHIST_UTC = BuddhistChronology.getInstanceUTC();
    private static final Chronology BUDDHIST_PARIS = BuddhistChronology.getInstance(PARIS);
    private static final Chronology ISO_UTC = ISOChronology.getInstanceUTC();
    private static final DateTimeZone ZONE_0400 = DateTimeZone.forOffsetHours(4);
    private static final Chronology ISO_0400 = ISOChronology.getInstance(ZONE_0400);
    private static final int MILLIS_PER_HOUR = 3600000;
    private static final int MILLIS_PER_MINUTE = 60000;
    private static final int OFFSET_0400 = 4 * MILLIS_PER_HOUR;
    private static final Locale LOCALE = Locale.CANADA;

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

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

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

    //-----------------------------------------------------------------------
    @SuppressWarnings("deprecation")
    public void testConstructor_3arg() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, BUDDHIST_PARIS, LOCALE);
        assertEquals(BUDDHIST_UTC, test.getChronology());
        assertEquals(LOCALE, test.getLocale());
        assertEquals(null, test.getPivotYear());
        assertEquals(null, test.getOffsetInteger());
        assertEquals(PARIS, test.getZone());
    }

    @SuppressWarnings("deprecation")
    public void testConstructor_4arg() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, BUDDHIST_PARIS, LOCALE, 2010);
        assertEquals(BUDDHIST_UTC, test.getChronology());
        assertEquals(LOCALE, test.getLocale());
        assertEquals((Integer) 2010, test.getPivotYear());
        assertEquals(null, test.getOffsetInteger());
        assertEquals(PARIS, test.getZone());
    }

    public void testConstructor_5arg() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, BUDDHIST_PARIS, LOCALE, 2010, 2001);
        assertEquals(BUDDHIST_UTC, test.getChronology());
        assertEquals(LOCALE, test.getLocale());
        assertEquals((Integer) 2010, test.getPivotYear());
        assertEquals(null, test.getOffsetInteger());
        assertEquals(PARIS, test.getZone());
    }

    @SuppressWarnings("deprecation")
    public void testSetPivotYear() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, BUDDHIST_PARIS, LOCALE, 2010, 2001);
        assertEquals((Integer) 2010, test.getPivotYear());
        test.setPivotYear(null);
        assertEquals(null, test.getPivotYear());
        test.setPivotYear(2030);
        assertEquals((Integer) 2030, test.getPivotYear());
    }

    public void testSetOffset() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, BUDDHIST_PARIS, LOCALE, 2010, 2001);
        assertEquals(null, test.getOffsetInteger());
        test.setOffset((Integer) 1000);
        assertEquals((Integer) 1000, test.getOffsetInteger());
        test.setOffset(null);
        assertEquals(null, test.getOffsetInteger());
    }

    public void testSetZone() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, BUDDHIST_PARIS, LOCALE, 2010, 2001);
        assertEquals(PARIS, test.getZone());
        test.setZone(LONDON);
        assertEquals(LONDON, test.getZone());
    }

    public void testCompute() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, ISO_0400, LOCALE, 2000, 2000);
        assertEquals(100 - OFFSET_0400, test.computeMillis());
        assertEquals(100 - OFFSET_0400, test.computeMillis(false));
        // note that computeMillis(true) differs depending on whether fields are saved or not
        assertEquals(100 - OFFSET_0400, test.computeMillis(true));
    }

    public void testSaveCompute() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, ISO_0400, LOCALE, 2000, 2000);
        test.saveField(DateTimeFieldType.hourOfDay(), 2);
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis());
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        test.saveField(DateTimeFieldType.hourOfDay(), 5);
        assertEquals(5 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(5 * MILLIS_PER_HOUR - OFFSET_0400, test.computeMillis(true));
        assertEquals(5 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
    }

    public void testSaveRestoreState() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, ISO_0400, LOCALE, 2000, 2000);
        test.saveField(DateTimeFieldType.hourOfDay(), 2);
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        Object state = test.saveState();
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        test.saveField(DateTimeFieldType.minuteOfHour(), 6);
        assertEquals(2 * MILLIS_PER_HOUR + 6 * MILLIS_PER_MINUTE + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        test.saveField(DateTimeFieldType.minuteOfHour(), 7);
        assertEquals(2 * MILLIS_PER_HOUR + 7 * MILLIS_PER_MINUTE + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
    }

    public void testSaveRestoreState_avoidSideEffects() {
        // computeMillis() has side effects, so check works without it
        DateTimeParserBucket test = new DateTimeParserBucket(100, ISO_0400, LOCALE, 2000, 2000);
        test.saveField(DateTimeFieldType.hourOfDay(), 2);
        Object state = test.saveState();
        test.saveField(DateTimeFieldType.minuteOfHour(), 6);
        assertEquals(true, test.restoreState(state));
        test.saveField(DateTimeFieldType.minuteOfHour(), 7);
        assertEquals(2 * MILLIS_PER_HOUR + 7 * MILLIS_PER_MINUTE + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
    }

    public void testSaveRestoreState_offset() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, ISO_0400, LOCALE, 2000, 2000);
        test.saveField(DateTimeFieldType.hourOfDay(), 2);
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        Object state = test.saveState();
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        test.setOffset((Integer) 0);
        assertEquals(2 * MILLIS_PER_HOUR + 100, test.computeMillis(false));
        assertEquals(true, test.restoreState(state));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
    }

    public void testSaveRestoreState_zone() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, ISO_0400, LOCALE, 2000, 2000);
        test.saveField(DateTimeFieldType.hourOfDay(), 2);
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        Object state = test.saveState();
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        test.setZone(DateTimeZone.UTC);
        assertEquals(2 * MILLIS_PER_HOUR + 100, test.computeMillis(false));
        assertEquals(true, test.restoreState(state));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
    }

    public void testSaveRestoreState_text() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, ISO_0400, LOCALE, 2000, 2000);
        test.saveField(DateTimeFieldType.hourOfDay(), "2", Locale.ENGLISH);
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        Object state = test.saveState();
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        test.saveField(DateTimeFieldType.minuteOfHour(), "6", Locale.ENGLISH);
        assertEquals(2 * MILLIS_PER_HOUR + 6 * MILLIS_PER_MINUTE + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
    }

    public void testSaveRestoreState_twoStates() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, ISO_0400, LOCALE, 2000, 2000);
        test.saveField(DateTimeFieldType.hourOfDay(), 2);
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        Object state1 = test.saveState();
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        test.saveField(DateTimeFieldType.minuteOfHour(), 6);
        assertEquals(2 * MILLIS_PER_HOUR + 6 * MILLIS_PER_MINUTE + 100 - OFFSET_0400, test.computeMillis(false));
        Object state2 = test.saveState();
        assertEquals(2 * MILLIS_PER_HOUR + 6 * MILLIS_PER_MINUTE + 100 - OFFSET_0400, test.computeMillis(false));
        test.saveField(DateTimeFieldType.secondOfMinute(), 8);
        assertEquals(2 * MILLIS_PER_HOUR + 6 * MILLIS_PER_MINUTE + 8000 + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state2));
        assertEquals(2 * MILLIS_PER_HOUR + 6 * MILLIS_PER_MINUTE + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state1));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state2));
        assertEquals(2 * MILLIS_PER_HOUR + 6 * MILLIS_PER_MINUTE + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state1));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
    }

    public void testSaveRestoreState_sameStates() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, ISO_0400, LOCALE, 2000, 2000);
        test.saveField(DateTimeFieldType.hourOfDay(), 2);
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        Object state1 = test.saveState();
        Object state2 = test.saveState();
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        test.saveField(DateTimeFieldType.minuteOfHour(), 6);
        assertEquals(2 * MILLIS_PER_HOUR + 6 * MILLIS_PER_MINUTE + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state2));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        test.saveField(DateTimeFieldType.minuteOfHour(), 8);
        assertEquals(2 * MILLIS_PER_HOUR + 8 * MILLIS_PER_MINUTE + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state1));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state2));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
        assertEquals(true, test.restoreState(state1));
        assertEquals(2 * MILLIS_PER_HOUR + 100 - OFFSET_0400, test.computeMillis(false));
    }

    public void testSaveRestoreState_badType() {
        DateTimeParserBucket bucket1 = new DateTimeParserBucket(100, ISO_0400, LOCALE, 2000, 2000);
        DateTimeParserBucket bucket2 = new DateTimeParserBucket(100, BUDDHIST_PARIS, LOCALE, 2000, 2000);
        assertEquals(false, bucket1.restoreState(null));
        assertEquals(false, bucket1.restoreState(""));
        assertEquals(false, bucket2.restoreState(bucket1.saveState()));
    }

    //-------------------------------------------------------------------------
    public void testReset() {
        DateTimeParserBucket test = new DateTimeParserBucket(100, ISO_0400, LOCALE, 2000, 2000);
        assertEquals(ISO_UTC, test.getChronology());
        assertEquals(LOCALE, test.getLocale());
        assertEquals((Integer) 2000, test.getPivotYear());
        assertEquals(null, test.getOffsetInteger());
        assertEquals(ZONE_0400, test.getZone());
        
        test.setOffset((Integer) 200);
        test.setZone(LONDON);
        test.saveField(DateTimeFieldType.hourOfDay(), 2);
        assertEquals(2 * MILLIS_PER_HOUR + 100 - 200, test.computeMillis(false));
        assertEquals((Integer) 200, test.getOffsetInteger());
        assertEquals(LONDON, test.getZone());
        
        test.reset();
        assertEquals(ISO_UTC, test.getChronology());
        assertEquals(LOCALE, test.getLocale());
        assertEquals((Integer) 2000, test.getPivotYear());
        assertEquals(null, test.getOffsetInteger());
        assertEquals(ZONE_0400, test.getZone());
        assertEquals(100 - OFFSET_0400, test.computeMillis(false));
    }

    public void testParse() {
        DateTimeParserBucket test = new DateTimeParserBucket(0, ISO_0400, LOCALE, 2000, 2000);
        DateTimeParser parser = new DateTimeParser() {
            public int parseInto(DateTimeParserBucket bucket, String text, int position) {
                bucket.saveField(DateTimeFieldType.hourOfDay(), 2);
                bucket.saveField(DateTimeFieldType.minuteOfHour(), 6);
                return position + 1;
            }
            public int estimateParsedLength() {
                return 1;
            }
        };
        long millis = test.parseMillis(parser, "A");
        assertEquals(2 * MILLIS_PER_HOUR + 6 * MILLIS_PER_MINUTE - OFFSET_0400, millis);
        millis = test.parseMillis(parser, "B");
        assertEquals(2 * MILLIS_PER_HOUR + 6 * MILLIS_PER_MINUTE - OFFSET_0400, millis);
        millis = test.parseMillis(parser, "C");
        assertEquals(2 * MILLIS_PER_HOUR + 6 * MILLIS_PER_MINUTE - OFFSET_0400, millis);
    }

}

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