1   /* Copyright 2022-2025 Romain Serra
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  import org.hipparchus.util.Binary64;
20  import org.hipparchus.util.Binary64Field;
21  import org.junit.jupiter.api.Assertions;
22  import org.junit.jupiter.api.Test;
23  
24  class FieldTimeStampedTest {
25  
26      @Test
27      void testGetDurationFromTimeStamped() {
28          // GIVEN
29          final FieldTimeStamped<Binary64> fieldDate = FieldAbsoluteDate.getArbitraryEpoch(Binary64Field.getInstance());
30          final TimeStamped timeStamped = () -> fieldDate.getDate().toAbsoluteDate().shiftedBy(1);
31          // WHEN
32          final Binary64 duration = fieldDate.durationFrom(timeStamped);
33          // THEN
34          final Binary64 expected = fieldDate.getDate().durationFrom(timeStamped.getDate());
35          Assertions.assertEquals(expected, duration);
36      }
37  }