1   /* Copyright 2022-2025 Thales Alenia Space
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.models.earth.troposphere.iturp834;
18  
19  import org.hipparchus.util.FastMath;
20  import org.junit.jupiter.api.Test;
21  import org.orekit.bodies.GeodeticPoint;
22  import org.orekit.utils.Constants;
23  import org.orekit.utils.units.Unit;
24  
25  public class ConstantGridTest extends AbstractGridTest<ConstantGrid> {
26  
27      @Test
28      @Override
29      public void testMetadata() {
30          doTestMetadata(new ConstantGrid(Unit.METRE, "hreflev.dat"),
31                         -90.0, 90.0, 121, -180.0, 180.0, 241);
32      }
33  
34      @Test
35      @Override
36      public void testMinMax() {
37          doTestMinMax(new ConstantGrid(Unit.METRE, "hreflev.dat"),
38                       -298.700770, 5631.33280, 1.0e-6);
39      }
40  
41      @Test
42      @Override
43      public void testValue() {
44          doTestValue(new ConstantGrid(Unit.METRE, "hreflev.dat"),
45                      new GeodeticPoint(FastMath.toRadians(47.71675), FastMath.toRadians(6.12264), 300.0),
46                      12.5 * Constants.JULIAN_DAY, 404.707312, 1.0e-6);
47      }
48  
49      @Test
50      @Override
51      public void testGradient() {
52          doTestGradient(new ConstantGrid(Unit.METRE, "hreflev.dat"),
53                         new GeodeticPoint(FastMath.toRadians(47.71675), FastMath.toRadians(6.12264), 300.0),
54                         12.5 * Constants.JULIAN_DAY, 1.0e-12, 1.0e-8);
55      }
56  
57  }