public void ReturnAllAges_WhenInitializedWithMoreThanOneValue()
{
var sut = new AgeModel(SAMPLE_AGES);
Assert.Equal(0, sut.CountFishesWithAnAgeOf(0));
Assert.Equal(1, sut.CountFishesWithAnAgeOf(1));
Assert.Equal(1, sut.CountFishesWithAnAgeOf(2));
Assert.Equal(2, sut.CountFishesWithAnAgeOf(3));
Assert.Equal(1, sut.CountFishesWithAnAgeOf(4));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(5));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(6));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(7));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(8));
}
public void ReturnOneAge_WhenInitializedWithAsingleValue()
{
var sut = new AgeModel("3");
Assert.Equal(0, sut.CountFishesWithAnAgeOf(0));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(1));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(2));
Assert.Equal(1, sut.CountFishesWithAnAgeOf(3));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(4));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(5));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(6));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(7));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(8));
}
public void DecrementInternalTimerCorrectly_WhenThereAreSeveralFishes()
{
var sut = new AgeModel(SAMPLE_AGES);
sut.Advance(1);
Assert.Equal(1, sut.CountFishesWithAnAgeOf(0));
Assert.Equal(1, sut.CountFishesWithAnAgeOf(1));
Assert.Equal(2, sut.CountFishesWithAnAgeOf(2));
Assert.Equal(1, sut.CountFishesWithAnAgeOf(3));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(4));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(5));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(6));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(7));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(8));
}
public void SpawnNewLanternfish_WhenFourDaysPassAfterInitialAgeOf3()
{
var sut = new AgeModel("3");
sut.Advance(4);
Assert.Equal(0, sut.CountFishesWithAnAgeOf(0));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(1));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(2));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(3));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(4));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(5));
Assert.Equal(1, sut.CountFishesWithAnAgeOf(6));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(7));
Assert.Equal(1, sut.CountFishesWithAnAgeOf(8));
}
public void DecrementInternalTimerCorrectly_WhenThereIsOneFish()
{
var sut = new AgeModel("3");
sut.Advance(1);
Assert.Equal(0, sut.CountFishesWithAnAgeOf(0));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(1));
Assert.Equal(1, sut.CountFishesWithAnAgeOf(2));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(3));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(4));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(5));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(6));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(7));
Assert.Equal(0, sut.CountFishesWithAnAgeOf(8));
}
public void SpawnFishCorrectly_When18DaysPass()
{
var sut = new AgeModel(SAMPLE_AGES);
sut.Advance(18);
Assert.Equal(3, sut.CountFishesWithAnAgeOf(0));
Assert.Equal(5, sut.CountFishesWithAnAgeOf(1));
Assert.Equal(3, sut.CountFishesWithAnAgeOf(2));
Assert.Equal(2, sut.CountFishesWithAnAgeOf(3));
Assert.Equal(2, sut.CountFishesWithAnAgeOf(4));
Assert.Equal(1, sut.CountFishesWithAnAgeOf(5));
Assert.Equal(5, sut.CountFishesWithAnAgeOf(6));
Assert.Equal(1, sut.CountFishesWithAnAgeOf(7));
Assert.Equal(4, sut.CountFishesWithAnAgeOf(8));
}