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.math3.genetics;
018    
019    
020    import org.junit.Assert;
021    import org.junit.Test;
022    
023    public class BinaryChromosomeTest {
024    
025        @Test
026        public void testInvalidConstructor() {
027            Integer[][] reprs = new Integer[][] {
028                    new Integer[] {0,1,0,1,2},
029                    new Integer[] {0,1,0,1,-1}
030            };
031    
032            for (Integer[] repr : reprs) {
033                try {
034                    new DummyBinaryChromosome(repr);
035                    Assert.fail("Exception not caught");
036                } catch (IllegalArgumentException e) {
037                    // Expected
038                }
039            }
040        }
041    
042        @Test
043        public void testRandomConstructor() {
044            for (int i=0; i<20; i++) {
045                new DummyBinaryChromosome(BinaryChromosome.randomBinaryRepresentation(10));
046            }
047        }
048    
049        @Test
050        public void testIsSame() {
051            Chromosome c1 = new DummyBinaryChromosome(new Integer[] {0,1,0,1,0,1});
052            Chromosome c2 = new DummyBinaryChromosome(new Integer[] {0,1,1,0,1});
053            Chromosome c3 = new DummyBinaryChromosome(new Integer[] {0,1,0,1,0,1,1});
054            Chromosome c4 = new DummyBinaryChromosome(new Integer[] {1,1,0,1,0,1});
055            Chromosome c5 = new DummyBinaryChromosome(new Integer[] {0,1,0,1,0,0});
056            Chromosome c6 = new DummyBinaryChromosome(new Integer[] {0,1,0,1,0,1});
057    
058            Assert.assertFalse(c1.isSame(c2));
059            Assert.assertFalse(c1.isSame(c3));
060            Assert.assertFalse(c1.isSame(c4));
061            Assert.assertFalse(c1.isSame(c5));
062            Assert.assertTrue(c1.isSame(c6));
063        }
064    
065    }