public void NexState_Should_ReturnDeadCell_If_DeadCellHasNoNeighbours()
{
var systemUnderTest = new CoreRule();
var cell = new Cell
{
Alive = false,
};
var neighbours = new List <Cell>();
Cell cellInNextRound = systemUnderTest.NextState(cell, neighbours);
cellInNextRound.Should().BeDead();
}
public void NextState_Should_ReturnDeadCell_If_LivingCellHasOneAliveNeighbour()
{
var systemUnderTest = new CoreRule();
var cell = new Cell
{
Alive = true,
};
var neighbours = new List <Cell>
{
new() { Alive = true }
};
Cell cellInNextRound = systemUnderTest.NextState(cell, neighbours);
cellInNextRound.Should().BeDead();
}
public void NexState_Should_ThrowTooManyNeighboursException_If_MoreThanEightNeighborsAreGiven()
{
var systemUnderTest = new CoreRule();
var anyCell = new Cell();
var neighbours = new List <Cell>
{
new() { Alive = true },
new() { Alive = false },
new() { Alive = true },
new() { Alive = false },
new() { Alive = true },
new() { Alive = false },
new() { Alive = false },
new() { Alive = false },
new() { Alive = false },
};
Action throwingAction = () => systemUnderTest.NextState(anyCell, neighbours);
throwingAction.Should().Throw <TooManyNeighboursException>();
}
public void NexState_Should_ReturnLivingCell_If_DeadCellHasThreeLivingAndFiveDeadNeighbours()
{
var systemUnderTest = new CoreRule();
var cell = new Cell
{
Alive = false,
};
var neighbours = new List <Cell>
{
new() { Alive = true },
new() { Alive = false },
new() { Alive = true },
new() { Alive = false },
new() { Alive = true },
new() { Alive = false },
new() { Alive = false },
new() { Alive = false },
};
Cell cellInNextRound = systemUnderTest.NextState(cell, neighbours);
cellInNextRound.Should().BeAlive();
}