/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.math4.fraction; import org.apache.commons.math4.TestUtils; import org.apache.commons.math4.fraction.Fraction; import org.apache.commons.math4.fraction.FractionField; import org.junit.Assert; import org.junit.Test; public class FractionFieldTest { @Test public void testZero() { Assert.assertEquals(Fraction.ZERO, FractionField.getInstance().getZero()); } @Test public void testOne() { Assert.assertEquals(Fraction.ONE, FractionField.getInstance().getOne()); } @Test public void testSerial() { // deserializing the singleton should give the singleton itself back FractionField field = FractionField.getInstance(); Assert.assertTrue(field == TestUtils.serializeAndRecover(field)); } }