1   /* Copyright 2002-2022 CS GROUP
2    * Licensed to CS GROUP (CS) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * CS licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *   http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.orekit.time;
18  
19  
20  
21  import org.junit.Assert;
22  import org.junit.Before;
23  import org.junit.Test;
24  import org.orekit.Utils;
25  
26  public class UTCTAIHistoryFilesLoaderRegularDataTest {
27  
28      @Test
29      public void testRegular() {
30          Assert.assertEquals(-32.0, TimeScalesFactory.getUTC().offsetFromTAI(AbsoluteDate.J2000_EPOCH), 10e-8);
31      }
32  
33      @Test
34      public void testFirstLeap() {
35          UTCScale utc = (UTCScale) TimeScalesFactory.getUTC();
36          AbsoluteDate afterLeap = new AbsoluteDate(1961, 1, 1, 0, 0, 0.0, utc);
37          Assert.assertEquals(1.4228180,
38                              afterLeap.durationFrom(utc.getFirstKnownLeapSecond()),
39                              1.0e-12);
40      }
41  
42      @Test
43      public void testLaststLeap() {
44          UTCScale utc = (UTCScale) TimeScalesFactory.getUTC();
45          AbsoluteDate afterLeap = new AbsoluteDate(2015, 7, 1, 0, 0, 0.0, utc);
46          Assert.assertEquals(1.0,
47                              afterLeap.durationFrom(utc.getLastKnownLeapSecond()),
48                              1.0e-12);
49      }
50  
51      @Before
52      public void setUp() {
53          Utils.setDataRoot("regular-data");
54      }
55  
56  }