/*
 * 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.lucene.document;

import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.TimeZone;
import org.apache.lucene.tests.util.LuceneTestCase;

public class TestDateToolsBCRoundTrip extends LuceneTestCase {

  public void testBCDateRoundTrip() throws Exception {
    Calendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT"), Locale.ROOT);
    cal.clear();
    cal.set(Calendar.ERA, GregorianCalendar.BC);
    cal.set(2, Calendar.JANUARY, 1);
    long twoBC = cal.getTimeInMillis();
    String s = DateTools.timeToString(twoBC, DateTools.Resolution.DAY);
    // expected: stringToTime gives back 2 BC-01-01; actual: "00020101" parses as AD 2-01-01
    assertEquals("2 BC-01-01 GMT -> " + s, twoBC, DateTools.stringToTime(s));
  }
}