public void First_state_is_initial_state(int[][] initialState)
{
var state = ToBoolArray(initialState);
Assert.That(Conway.States(state).First(),
Is.EqualTo(state));
}
public void Next_state_is_generated_correctly(int[][] initialState,
int[][] nextState)
{
var state1 = ToBoolArray(initialState);
var state2 = ToBoolArray(nextState);
Assert.That(Conway.States(state1).Skip(1).First(),
Is.EqualTo(state2));
}
public void Oscillating_blinker_example()
{
var horizontalState = ToBoolArray(new []
{ new [] { 0, 0, 0 },
new [] { 1, 1, 1 },
new [] { 0, 0, 0 } });
var verticalState = ToBoolArray(new []
{ new [] { 0, 1, 0 },
new [] { 0, 1, 0 },
new [] { 0, 1, 0 } });
var states = Conway.States(horizontalState);
Assert.That(states.Take(3),
Is.EqualTo(new [] { horizontalState,
verticalState,
horizontalState }));
}
public void Cannot_call_with_null_arguments()
{
Assert.That(() => Conway.States(null).ToArray(),
Throws.TypeOf <ArgumentNullException>());
}