/*
    * 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 static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  import java.text.ParsePosition;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.Locale;
  import java.util.TimeZone;
  
  import org.apache.commons.lang3.AbstractLangTest;
  import org.junit.jupiter.api.Test;
  
  public class FastDateParser_MoreOrLessTest extends AbstractLangTest {
  
      private static final TimeZone NEW_YORK = TimeZone.getTimeZone("America/New_York");
  
      @Test
      public void testInputHasLessCharacters() {
          final FastDateParser parser = new FastDateParser("MM/dd/yyy", TimeZone.getDefault(), Locale.getDefault());
          final ParsePosition parsePosition = new ParsePosition(0);
          assertNull(parser.parse("03/23", parsePosition));
          assertEquals(5, parsePosition.getErrorIndex());
      }
  
      @Test
      public void testInputHasMoreCharacters() {
          final FastDateParser parser = new FastDateParser("MM/dd", TimeZone.getDefault(), Locale.getDefault());
          final ParsePosition parsePosition = new ParsePosition(0);
          final Date date = parser.parse("3/23/61", parsePosition);
          assertEquals(4, parsePosition.getIndex());
  
          final Calendar calendar = Calendar.getInstance();
          calendar.setTime(date);
          assertEquals(2, calendar.get(Calendar.MONTH));
          assertEquals(23, calendar.get(Calendar.DATE));
      }
  
      @Test
      public void testInputHasPrecedingCharacters() {
          final FastDateParser parser = new FastDateParser("MM/dd", TimeZone.getDefault(), Locale.getDefault());
          final ParsePosition parsePosition = new ParsePosition(0);
          final Date date = parser.parse("A 3/23/61", parsePosition);
          assertNull(date);
          assertEquals(0, parsePosition.getIndex());
          assertEquals(0, parsePosition.getErrorIndex());
      }
  
      @Test
      public void testInputHasWhitespace() {
          final FastDateParser parser = new FastDateParser("M/d/y", TimeZone.getDefault(), Locale.getDefault());
          //SimpleDateFormat parser = new SimpleDateFormat("M/d/y");
          final ParsePosition parsePosition = new ParsePosition(0);
          final Date date = parser.parse(" 3/ 23/ 1961", parsePosition);
          assertEquals(12, parsePosition.getIndex());
  
          final Calendar calendar = Calendar.getInstance();
          calendar.setTime(date);
          assertEquals(1961, calendar.get(Calendar.YEAR));
          assertEquals(2, calendar.get(Calendar.MONTH));
          assertEquals(23, calendar.get(Calendar.DATE));
      }
  
      @Test
      public void testInputHasWrongCharacters() {
          final FastDateParser parser = new FastDateParser("MM-dd-yyy", TimeZone.getDefault(), Locale.getDefault());
          final ParsePosition parsePosition = new ParsePosition(0);
          assertNull(parser.parse("03/23/1961", parsePosition));
          assertEquals(2, parsePosition.getErrorIndex());
      }
  
      @Test
      public void testInputHasWrongDay() {
          final FastDateParser parser = new FastDateParser("EEEE, MM/dd/yyy", NEW_YORK, Locale.US);
          final String input = "Thursday, 03/23/61";
          final ParsePosition parsePosition = new ParsePosition(0);
          assertNotNull(parser.parse(input, parsePosition));
          assertEquals(input.length(), parsePosition.getIndex());
  
          parsePosition.setIndex(0);
          assertNull(parser.parse( "Thorsday, 03/23/61", parsePosition));
         assertEquals(0, parsePosition.getErrorIndex());
     }
 
     @Test
     public void testInputHasWrongTimeZone() {
         final FastDateParser parser = new FastDateParser("mm:ss z", NEW_YORK, Locale.US);
 
         final String input = "11:23 Pacific Standard Time";
         final ParsePosition parsePosition = new ParsePosition(0);
         assertNotNull(parser.parse(input, parsePosition));
         assertEquals(input.length(), parsePosition.getIndex());
 
         parsePosition.setIndex(0);
         assertNull(parser.parse( "11:23 Pacific Standard ", parsePosition));
         assertEquals(6, parsePosition.getErrorIndex());
     }
 }