| /* |
| * 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.math3.genetics; |
| |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class BinaryMutationTest { |
| |
| @Test |
| public void testMutate() { |
| BinaryMutation mutation = new BinaryMutation(); |
| |
| // stochastic testing :) |
| for (int i=0; i<20; i++) { |
| DummyBinaryChromosome original = new DummyBinaryChromosome(BinaryChromosome.randomBinaryRepresentation(10)); |
| DummyBinaryChromosome mutated = (DummyBinaryChromosome) mutation.mutate(original); |
| |
| // one gene should be different |
| int numDifferent = 0; |
| for (int j=0; j<original.getRepresentation().size(); j++) { |
| if (original.getRepresentation().get(j) != mutated.getRepresentation().get(j)) |
| numDifferent++; |
| } |
| Assert.assertEquals(1, numDifferent); |
| } |
| } |
| |
| } |