public void ShouldCountNumberOfAliveNeiboursCorrectly()
{
var lifeBoard = new LifeBoard(3, 3);
lifeBoard.ToggleCell(0, 0);
lifeBoard.ToggleCell(0, 1);
lifeBoard.ToggleCell(0, 2);
Assert.AreEqual(1, lifeBoard.CountAliveNeighbours(0, 0));
Assert.AreEqual(2, lifeBoard.CountAliveNeighbours(0, 1));
Assert.AreEqual(1, lifeBoard.CountAliveNeighbours(0, 2));
Assert.AreEqual(2, lifeBoard.CountAliveNeighbours(1, 0));
Assert.AreEqual(3, lifeBoard.CountAliveNeighbours(1, 1));
Assert.AreEqual(2, lifeBoard.CountAliveNeighbours(1, 2));
Assert.AreEqual(0, lifeBoard.CountAliveNeighbours(2, 0));
Assert.AreEqual(0, lifeBoard.CountAliveNeighbours(2, 1));
Assert.AreEqual(0, lifeBoard.CountAliveNeighbours(2, 2));
}
