@Test
public void testBiDistribution() {
Algorithm algorithm = mock(Algorithm.class);
MOFitness fitness01 =
Fitnesses.create(new MinimisationFitness(3.0), new MinimisationFitness(0.0));
final Type type01 = mock(Type.class, "type2_01");
MOFitness fitness02 =
Fitnesses.create(new MinimisationFitness(2.0), new MinimisationFitness(1.0));
final Type type02 = mock(Type.class, "type2_02");
// Cloning returns the mocked objects themselves.
when(type01.getClone()).thenReturn(type01);
when(type02.getClone()).thenReturn(type02);
OptimisationSolution solution01 = new OptimisationSolution(type01, fitness01);
OptimisationSolution solution02 = new OptimisationSolution(type02, fitness02);
Archive archive = Archive.Provider.get();
archive.add(solution01);
archive.add(solution02);
Real distribution = new SolutionDistribution().getValue(algorithm);
Assert.assertEquals(0.0, distribution.doubleValue(), 0.0000000000001);
}
/**
* Convenience constructor setting the vector and target.
*
* @param vector the new pattern's vector.
* @param target the new pattern's target.
*/
public StandardPattern(Vector vector, Type target) {
this.vector = Vector.copyOf(vector);
this.target = target.getClone();
}
/**
* Constructs a new instance of {@code OptimisationSolution}.
*
* @param position The position of the solution within the search space of the problem.
* @param fitness The fitness of the optimisation solution.
*/
public OptimisationSolution(Type position, Fitness fitness) {
this.position = position.getClone();
this.fitness = fitness.getClone();
}