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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.commons.math.genetics;
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import static org.junit.Assert.*;
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import org.junit.Test;
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public class RandomKeyMutationTest {
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public void testMutate() {
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MutationPolicy mutation = new RandomKeyMutation();
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for (int i=0; i<20; i++) {
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DummyRandomKey origRk = new DummyRandomKey(RandomKey.randomPermutation(l));
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Chromosome mutated = mutation.mutate(origRk);
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DummyRandomKey mutatedRk = (DummyRandomKey) mutated;
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for (int j=0; j<origRk.getLength(); j++) {
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if (origRk.getRepresentation().get(j) != mutatedRk.getRepresentation().get(j)) {
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assertEquals(1,changes);