1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF 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 * https://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
18 /*
19 * This is not the original file distributed by the Apache Software Foundation
20 * It has been modified by the Hipparchus project
21 */
22 package org.hipparchus.util;
23
24
25 import java.util.HashMap;
26 import java.util.Map;
27
28 import org.hipparchus.Field;
29 import org.hipparchus.UnitTestUtils;
30 import org.junit.Assert;
31 import org.junit.Test;
32
33 public class BigRealFieldTest {
34
35 @Test
36 public void testZero() {
37 Assert.assertEquals(BigReal.ZERO, BigRealField.getInstance().getZero());
38 }
39
40 @Test
41 public void testOne() {
42 Assert.assertEquals(BigReal.ONE, BigRealField.getInstance().getOne());
43 }
44
45 @SuppressWarnings("unlikely-arg-type")
46 @Test
47 public void testMap() {
48 Map<Field<?>, Integer> map = new HashMap<>();
49 for (int i = 1; i < 100; ++i) {
50 map.put(new BigReal(i).getField(), 0);
51 }
52 // there should be only one field for all values
53 Assert.assertEquals(1, map.size());
54 Assert.assertTrue(BigRealField.getInstance().equals(map.entrySet().iterator().next().getKey()));
55 Assert.assertFalse(BigRealField.getInstance().equals(Binary64Field.getInstance()));
56 }
57
58 @Test
59 public void testRunTImeClass() {
60 Assert.assertEquals(BigReal.class, BigRealField.getInstance().getRuntimeClass());
61 }
62
63 @Test
64 public void testSerial() {
65 // deserializing the singleton should give the singleton itself back
66 BigRealField field = BigRealField.getInstance();
67 Assert.assertTrue(field == UnitTestUtils.serializeAndRecover(field));
68 }
69
70 }