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Java example source code file (FastDateParser_MoreOrLessTest.java)

This example Java source code file (FastDateParser_MoreOrLessTest.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

calendar, eeee, fastdateparser, m/d/y, mm/dd, mm/dd/yyy, new_york, pacific, parseexception, parseposition, standard, string, test, text, timezone, util

The FastDateParser_MoreOrLessTest.java Java example source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.commons.lang3.time;

import java.text.ParseException;
import java.text.ParsePosition;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

import org.junit.Assert;
import org.junit.Test;

public class FastDateParser_MoreOrLessTest {

    private static final TimeZone NEW_YORK = TimeZone.getTimeZone("America/New_York");
    
    @Test
    public void testInputHasPrecedingCharacters() throws ParseException {
        FastDateParser parser = new FastDateParser("MM/dd", TimeZone.getDefault(), Locale.getDefault());
        ParsePosition parsePosition = new ParsePosition(0);
        Date date = parser.parse("A 3/23/61", parsePosition);
        Assert.assertNull(date);
        Assert.assertEquals(0, parsePosition.getIndex());      
        Assert.assertEquals(0, parsePosition.getErrorIndex());        
    }

    @Test
    public void testInputHasWhitespace() throws ParseException {
        FastDateParser parser = new FastDateParser("M/d/y", TimeZone.getDefault(), Locale.getDefault());
        //SimpleDateFormat parser = new SimpleDateFormat("M/d/y");
        ParsePosition parsePosition = new ParsePosition(0);
        Date date = parser.parse(" 3/ 23/ 1961", parsePosition);
        Assert.assertEquals(12, parsePosition.getIndex());

        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        Assert.assertEquals(1961, calendar.get(Calendar.YEAR));
        Assert.assertEquals(2, calendar.get(Calendar.MONTH));
        Assert.assertEquals(23, calendar.get(Calendar.DATE));       
    }

    @Test
    public void testInputHasMoreCharacters() throws ParseException {
        FastDateParser parser = new FastDateParser("MM/dd", TimeZone.getDefault(), Locale.getDefault());
        ParsePosition parsePosition = new ParsePosition(0);
        Date date = parser.parse("3/23/61", parsePosition);
        Assert.assertEquals(4, parsePosition.getIndex());

        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        Assert.assertEquals(2, calendar.get(Calendar.MONTH));
        Assert.assertEquals(23, calendar.get(Calendar.DATE));       
    }
    
    @Test
    public void testInputHasWrongCharacters() {
        FastDateParser parser = new FastDateParser("MM-dd-yyy", TimeZone.getDefault(), Locale.getDefault());
        ParsePosition parsePosition = new ParsePosition(0);
        Assert.assertNull(parser.parse("03/23/1961", parsePosition));
        Assert.assertEquals(2, parsePosition.getErrorIndex());
    }
    
    @Test
    public void testInputHasLessCharacters() {
        FastDateParser parser = new FastDateParser("MM/dd/yyy", TimeZone.getDefault(), Locale.getDefault());
        ParsePosition parsePosition = new ParsePosition(0);
        Assert.assertNull(parser.parse("03/23", parsePosition));
        Assert.assertEquals(5, parsePosition.getErrorIndex());
    }
    
    @Test
    public void testInputHasWrongTimeZone() {
        FastDateParser parser = new FastDateParser("mm:ss z", NEW_YORK, Locale.US);
        
        String input = "11:23 Pacific Standard Time";
        ParsePosition parsePosition = new ParsePosition(0);
        Assert.assertNotNull(parser.parse(input, parsePosition));
        Assert.assertEquals(input.length(), parsePosition.getIndex());
        
        parsePosition.setIndex(0);
        Assert.assertNull(parser.parse( "11:23 Pacific Standard ", parsePosition));
        Assert.assertEquals(6, parsePosition.getErrorIndex());
    }
    
    @Test
    public void testInputHasWrongDay() throws ParseException {
        FastDateParser parser = new FastDateParser("EEEE, MM/dd/yyy", NEW_YORK, Locale.US);
        String input = "Thursday, 03/23/61";
        ParsePosition parsePosition = new ParsePosition(0);
        Assert.assertNotNull(parser.parse(input, parsePosition));
        Assert.assertEquals(input.length(), parsePosition.getIndex());
        
        parsePosition.setIndex(0);
        Assert.assertNull(parser.parse( "Thorsday, 03/23/61", parsePosition));
        Assert.assertEquals(0, parsePosition.getErrorIndex());
    }
}

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