public void When_the_hand_of_god_touches_a_live_cell()
{
var cell_died = false;
var cell = Cell.ThatsAliveWithNeighbors(0);
cell.When_it_dies = () => cell_died = true;
cell.Touched();
Assert.That(cell_died, "Touching a live cell should kill it.");
}
public void When_a_live_cell_has_more_than_three_neighbors_and_a_moment_passes()
{
var cell = Cell.ThatsAliveWithNeighbors(4);
var cell_died = false;
cell.When_it_dies = () => cell_died = true;
cell.MomentPassed();
Assert.That(cell_died, "it should die as if from overcrowding.");
}
public void When_a_cell_has_three_neighbors_and_a_moment_passes()
{
var cell = Cell.ThatsAliveWithNeighbors(3);
var cell_died = false;
cell.When_it_dies = () => cell_died = true;
cell.MomentPassed();
Assert.That(cell_died, Is.False, "It should live on.");
}
public void When_a_live_cell_is_notified_that_a_neighbor_died()
{
var cell_died = false;
var cell = Cell.ThatsAliveWithNeighbors(2);
cell.When_it_dies = () => cell_died = true;
cell.NeighborDied();
cell.MomentPassed();
Assert.That(cell_died, "it should affect its view of the world.");
}
