/** Tests the move method in the organism class */
@Test
public void testMove() {
Cell middle = new Cell(2, 2);
system.add(rabbit, middle);
rabbit.move(middle, system);
system.findFirstEmptyNeighbor(middle, 0);
String now = "xxMxxxxxx";
assertEquals(now, printX());
}
/** Tests the eat method in the organism class */
@Test
public void testEat() {
Cell middle = new Cell(2, 2);
Cell west = new Cell(1, 2);
system.add(rabbit, middle);
system.add(insect, west);
rabbit.eat(middle, system);
String now = "xxxxxMxxx";
assertEquals(now, printX());
}
public void move() {
// remove from current ecosystem
getParent().remove(this);
// get the adjacent ecossytems
ArrayList<Ecosystem> destinations = getAdjacent();
// randomly select a neighbouring ecosystem
int choice = (int) (Math.random() * destinations.size());
// set the destination as the new parent, and add self to the destination
Ecosystem newparent = destinations.get(choice);
newparent.add(this);
setParent(newparent);
}
/**
* Private method that prints the current ecosystem grid as a string
*
* @return the string printout
*/
private String printX() {
String s = "";
for (int i = 0; i < 3; i++)
for (int j = 0; j < 3; j++) {
Item x = system.getItemAt(new Cell(i, j));
if (x != null) s += x.getSymbol();
else s += "x";
}
return s;
}
/** Tests the breed method in the organism class */
@Test
public void testBreed() {
assertEquals(0, rabbit.getTimeSinceLastBreed());
rabbit.incrementTimeSinceLastBreed();
rabbit.incrementTimeSinceLastBreed();
rabbit.incrementTimeSinceLastBreed();
rabbit.incrementTimeSinceLastBreed();
rabbit.incrementTimeSinceLastBreed();
rabbit.incrementTimeSinceLastBreed();
rabbit.incrementTimeSinceLastBreed();
assertEquals(7, rabbit.getTimeSinceLastBreed());
Cell middle = new Cell(2, 2);
Cell west = new Cell(1, 2);
system.add(rabbit, middle);
assertEquals(true, rabbit.breed(middle, system));
}
