/// <summary>
/// Builds a new life form.
/// </summary>
/// <param name="lifeFormType">The life form type to build.</param>
/// <returns>A newly instantiated life form object.</returns>
public static LifeFormBase Build(LifeForm lifeFormType)
{
LifeFormBase lifeForm = null;
switch (lifeFormType)
{
case LifeForm.Empty:
lifeForm = new Empty();
break;
case LifeForm.Acorn:
lifeForm = new Acorn();
break;
case LifeForm.AircraftCarrier:
lifeForm = new AircraftCarrier();
break;
case LifeForm.FivePoint:
lifeForm = new FivePoint();
break;
default:
lifeForm = new RandomPattern(
rows: RANDOMPATTERNHEIGHT,
cols: RANDOMPATTERNWIDTH);
break;
}
return lifeForm;
}
public void Constructor_WhenInvoked_PreparesAcornCorrectly()
{
// act
var acorn = new Acorn();
int oneSide = acorn.GetPattern().Length;
int otherSide = acorn.GetPattern().Max(x => x.Length);
// assert
Assert.IsTrue(
oneSide == 8 && oneSide == otherSide,
message: "The acorn pattern was not of size 8x8.");
Assert.IsTrue(
acorn.IsStable,
message: "The acorn pattern was not stable.");
Assert.AreEqual(
expected: 5206,
actual: acorn.StabilizesAt,
message: "The acorn pattern stabilizes at the wrong time.");
Assert.AreEqual(
expected: 633,
actual: acorn.StablePopulation,
message: "The acorn pattern has wrong number of cells in the stable population.");
}