001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.commons.math.fraction;
018    
019    import static org.junit.Assert.assertEquals;
020    import static org.junit.Assert.assertTrue;
021    
022    import org.apache.commons.math.TestUtils;
023    import org.junit.Test;
024    
025    public class BigFractionFieldTest {
026    
027        @Test
028        public void testZero() {
029            assertEquals(BigFraction.ZERO, BigFractionField.getInstance().getZero());
030        }
031    
032        @Test
033        public void testOne() {
034            assertEquals(BigFraction.ONE, BigFractionField.getInstance().getOne());
035        }
036    
037        @Test
038        public void testSerial() {
039            // deserializing the singleton should give the singleton itself back
040            BigFractionField field = BigFractionField.getInstance();
041            assertTrue(field == TestUtils.serializeAndRecover(field));
042        }
043    
044    }