| /* |
| * 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.legacy.optim; |
| |
| import org.apache.commons.math4.legacy.TestUtils; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class PointValuePairTest { |
| @Test |
| public void testSerial() { |
| PointValuePair pv1 = new PointValuePair(new double[] { 1.0, 2.0, 3.0 }, 4.0); |
| PointValuePair pv2 = (PointValuePair) TestUtils.serializeAndRecover(pv1); |
| Assert.assertEquals(pv1.getKey().length, pv2.getKey().length); |
| for (int i = 0; i < pv1.getKey().length; ++i) { |
| Assert.assertEquals(pv1.getKey()[i], pv2.getKey()[i], 1.0e-15); |
| } |
| Assert.assertEquals(pv1.getValue(), pv2.getValue(), 1.0e-15); |
| } |
| |
| @Test |
| public void testEquals() { |
| final double[] p1 = new double[] { 1 }; |
| final PointValuePair pv1 = new PointValuePair(p1, 2); |
| Assert.assertNotEquals(pv1, null); |
| |
| final PointValuePair pv2 = new PointValuePair(pv1.getPointRef(), 3); |
| // Same array reference, different objective values. |
| Assert.assertNotEquals(pv1, pv2); |
| |
| final PointValuePair pv3 = new PointValuePair(pv2.getPoint(), pv2.getValue()); |
| // Different array reference, same array values, same objective values. |
| Assert.assertEquals(pv2, pv3); |
| |
| final double[] p2 = new double[] { p1[0] + 1 }; |
| final PointValuePair pv4 = new PointValuePair(p2, pv2.getValue()); |
| // Different array values, same objective values. |
| Assert.assertNotEquals(pv2, pv4); |
| } |
| } |