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    *      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.apache.commons.math.util;
18  
19  import static org.junit.Assert.assertEquals;
20  import static org.junit.Assert.assertTrue;
21  
22  import org.apache.commons.math.TestUtils;
23  import org.junit.Test;
24  
25  public class BigRealFieldTest {
26  
27      @Test
28      public void testZero() {
29          assertEquals(BigReal.ZERO, BigRealField.getInstance().getZero());
30      }
31  
32      @Test
33      public void testOne() {
34          assertEquals(BigReal.ONE, BigRealField.getInstance().getOne());
35      }
36  
37      @Test
38      public void testSerial() {
39          // deserializing the singleton should give the singleton itself back
40          BigRealField field = BigRealField.getInstance();
41          assertTrue(field == TestUtils.serializeAndRecover(field));
42      }
43  
44  }