@Test
// tests concatenation and ordering of given Populations, limited by maxIndexExclusive
public void testConcatenate2() throws Exception {
SimpleIndividual[] ind1 =
new SimpleIndividual[] {
new SimpleIndividual(1, 1.0, null),
new SimpleIndividual(2, 3.0, null),
new SimpleIndividual(5, 3.0, null)
};
SimpleIndividual[] ind2 =
new SimpleIndividual[] {
new SimpleIndividual(10, 0.0, null), new SimpleIndividual(2, 2.0, null)
};
Individual[] indOut =
PopulationUtils.concatenate(
new Population[] {
new SimplePopulation(ind1), new SimplePopulation(ind2), new SimplePopulation(ind1)
},
new SimplePopulationFactory(),
2)
.getIndividuals();
assertTrue(indOut[0] == ind1[0]);
assertTrue(indOut[1] == ind1[1]);
assertTrue(indOut[2] == ind1[2]);
assertTrue(indOut[3] == ind2[0]);
assertTrue(indOut[4] == ind2[1]);
assertTrue(indOut.length == ind1.length + ind2.length);
}
@Test
// tests concatenation of single EMPTY Population
public void testConcatenate4() throws Exception {
SimplePopulation pop1 = new SimplePopulation();
Individual[] indOut =
PopulationUtils.concatenate(new Population[] {pop1}, new SimplePopulationFactory())
.getIndividuals();
assertTrue(pop1.getIndividuals() == indOut || indOut.length == 0);
}
@Test
// tests concatenation of single Population - creation of new array of Individual
public void testConcatenate3() throws Exception {
SimpleIndividual[] ind1 =
new SimpleIndividual[] {
new SimpleIndividual(1, 1.0, null),
new SimpleIndividual(2, 3.0, null),
new SimpleIndividual(5, 3.0, null)
};
SimplePopulation pop1 = new SimplePopulation(ind1);
Individual[] indOut =
PopulationUtils.concatenate(new Population[] {pop1}, new SimplePopulationFactory())
.getIndividuals();
assertTrue(indOut[0] == ind1[0]);
assertTrue(indOut[1] == ind1[1]);
assertTrue(indOut[2] == ind1[2]);
assertNotSame(pop1.getIndividuals(), indOut);
assertNotSame(ind1, indOut);
assertTrue(indOut.length == ind1.length);
}
