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
9
* http://www.apache.org/licenses/LICENSE-2.0
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.
17
package org.apache.commons.math.fraction;
19
import static org.junit.Assert.assertEquals;
20
import static org.junit.Assert.assertTrue;
22
import org.apache.commons.math.TestUtils;
23
import org.junit.Test;
25
public class FractionFieldTest {
28
public void testZero() {
29
assertEquals(Fraction.ZERO, FractionField.getInstance().getZero());
33
public void testOne() {
34
assertEquals(Fraction.ONE, FractionField.getInstance().getOne());
38
public void testSerial() {
39
// deserializing the singleton should give the singleton itself back
40
FractionField field = FractionField.getInstance();
41
assertTrue(field == TestUtils.serializeAndRecover(field));