@Test
public void GIVEN_individual_WHEN_score_THEN_returnScore() {
// GIVEN
int expectedScore = 10;
int[] individual = new int[10];
for (int i = 0; i < individual.length; i++) {
individual[i] = i;
}
// WHEN
int actualScore = geneticSolver.score(individual);
// THEN
assertEquals(expectedScore, actualScore);
}
@Test
public void GIVEN_mutationRateIsZero_WHEN_procreate_THEN_returnProperChild() {
// GIVEN
int[] parentOne = new int[10];
int[] parentTwo = new int[10];
for (int i = 0; i < parentOne.length; i++) {
parentOne[i] = i;
parentTwo[i] = 10 - i;
}
// WHEN
geneticSolver = new GeneticSolver(0, defaultGenerationLimit);
int[] child = geneticSolver.procreate(parentOne, parentTwo, -5, 10);
// THEN
assertEquals(parentOne.length, child.length);
for (int i = 0; i < child.length; i++) {
// This isn't a very good way to do this test, but I'm not sure of a better one atm
if (child[i] != parentOne[i] || child[i] != parentTwo[i]) {
fail("The child should not have mutated.");
}
}
}