/*
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2026, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v2.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  
  package ch.qos.logback.core.util;
  
  import java.text.ParseException;
  import java.text.SimpleDateFormat;
  import java.time.ZoneId;
  import java.util.Date;
  import java.util.TimeZone;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class CachingDateFotmatterTest {
  
      private final static String DATE_PATTERN = "yyyy-MM-dd'T'HH:mm";
  
      SimpleDateFormat sdf = new SimpleDateFormat(DATE_PATTERN);
      TimeZone perthTZ = TimeZone.getTimeZone("Australia/Perth");
      TimeZone utcTZ = TimeZone.getTimeZone("UTC");
  
      @BeforeEach
      public void setUp() {
          sdf.setTimeZone(utcTZ);
      }
  
      @Test
      public void timeZoneIsTakenIntoAccount() throws ParseException {
  
          ZoneId perthZone = ZoneId.of("Australia/Perth");
          CachingDateFormatter cdf = new CachingDateFormatter(DATE_PATTERN, perthZone);
  
          Date march26_2015_0949_UTC = sdf.parse("2015-03-26T09:49");
          System.out.print(march26_2015_0949_UTC);
  
          String result = cdf.format(march26_2015_0949_UTC.getTime());
          // AWST (Perth) is 8 hours ahead of UTC
          assertEquals("2015-03-26T17:49", result);
      }
  
  }