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.estimation.measurements.gnss;
18  
19  import org.junit.Assert;
20  import org.junit.Test;
21  
22  
23  public class IntegerLeastSquareComparatorTest {
24  
25      @Test
26      public void testCompare() {
27  
28          // Initialize comparator
29          final IntegerLeastSquareComparator comparator = new IntegerLeastSquareComparator();
30  
31          // Verify
32          Assert.assertEquals(-1, comparator.compare(new IntegerLeastSquareSolution(new long[0], 1.0), new IntegerLeastSquareSolution(new long[0], 2.0)));
33          Assert.assertEquals(1,  comparator.compare(new IntegerLeastSquareSolution(new long[0], 2.0), new IntegerLeastSquareSolution(new long[0], 1.0)));
34          Assert.assertEquals(0,  comparator.compare(new IntegerLeastSquareSolution(new long[0], 1.0), new IntegerLeastSquareSolution(new long[0], 1.0)));
35          Assert.assertEquals(-1, comparator.compare(null, new IntegerLeastSquareSolution(new long[0], 1.0)));
36          Assert.assertEquals(0,  comparator.compare(null, null));
37          Assert.assertEquals(1,  comparator.compare(new IntegerLeastSquareSolution(new long[0], 1.0), null));
38  
39      }
40  
41  }