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.math.genetics;
018    
019    import static org.junit.Assert.assertFalse;
020    import static org.junit.Assert.assertTrue;
021    import static org.junit.Assert.fail;
022    
023    import org.junit.Test;
024    
025    public class BinaryChromosomeTest {
026        
027        @Test
028        public void testInvalidConstructor() {        
029            Integer[][] reprs = new Integer[][] {
030                    new Integer[] {0,1,0,1,2},
031                    new Integer[] {0,1,0,1,-1}
032            };
033            
034            for (Integer[] repr : reprs) {
035                try {
036                    new DummyBinaryChromosome(repr);
037                    fail("Exception not caught");
038                } catch (IllegalArgumentException e) {
039                    
040                }
041            }
042        }
043        
044        @Test
045        public void testRandomConstructor() {
046            for (int i=0; i<20; i++) {
047                new DummyBinaryChromosome(BinaryChromosome.randomBinaryRepresentation(10));
048            }
049        }
050        
051        @Test
052        public void testIsSame() {
053            Chromosome c1 = new DummyBinaryChromosome(new Integer[] {0,1,0,1,0,1});
054            Chromosome c2 = new DummyBinaryChromosome(new Integer[] {0,1,1,0,1});
055            Chromosome c3 = new DummyBinaryChromosome(new Integer[] {0,1,0,1,0,1,1});
056            Chromosome c4 = new DummyBinaryChromosome(new Integer[] {1,1,0,1,0,1});
057            Chromosome c5 = new DummyBinaryChromosome(new Integer[] {0,1,0,1,0,0});
058            Chromosome c6 = new DummyBinaryChromosome(new Integer[] {0,1,0,1,0,1});
059            
060            assertFalse(c1.isSame(c2));
061            assertFalse(c1.isSame(c3));
062            assertFalse(c1.isSame(c4));
063            assertFalse(c1.isSame(c5));
064            assertTrue(c1.isSame(c6));
065        }
066    
067    }