public void EvolveShould_ReturnAWorldOfDeadCells_WhenInputWorldCellsAreDead()
{
//arrange
var initial = new[] {
new[] { 0, 0, 0 },
new[] { 0, 0, 0 },
new[] { 0, 0, 0 },
};
var results = new[] {
new[] { 0, 0, 0 },
new[] { 0, 0, 0 },
new[] { 0, 0, 0 },
};
//act
Tick.Evolve(initial);
Assert.Equal(results, initial);
}
public void EvolveShould_ReturnAWorldOfDeadCells_WhenInputWorldHasOneLiveCellInTopLeft()
{
//arrange
var initial = new[] {
new[] { 1, 0, 0 },
new[] { 0, 0, 0 },
new[] { 0, 0, 0 },
};
var results = new[] {
new[] { 0, 0, 0 },
new[] { 0, 0, 0 },
new[] { 0, 0, 0 },
};
//act
Tick.Evolve(initial);
//assert
Assert.Equal(results, initial);
}
public void EvolveShould_EnableLiveCellLiveToTheNextGeneration_WhenHaving2or3LiveNeighbours()
{
//arrange
var initial = new[] {
new[] { 1, 0, 1 },
new[] { 0, 1, 0 },
new[] { 1, 0, 0 },
};
var results = new[] {
new[] { 1, 0, 1 },
new[] { 0, 1, 0 },
new[] { 1, 0, 0 },
};
//act
Tick.Evolve(initial);
//assert
Assert.Equal(results, initial);
}
public void EvolveShould_ReturnAWorldOfDeadCells_WhenInputWorldHasMoreThan3LiveNeighbours()
{
//arrange
var initial = new[] {
new[] { 1, 0, 1 },
new[] { 0, 1, 0 },
new[] { 1, 0, 1 },
};
var results = new[] {
new[] { 0, 0, 0 },
new[] { 0, 0, 0 },
new[] { 0, 0, 0 },
};
//act
Tick.Evolve(initial);
//assert
Assert.Equal(results, initial);
}
public void EvolveShould_LetLiveCellDie_WhenItHasMoreThan3LiveNeighboursInALargerWorld()
{
//arrange
var initial = new[] {
new[] { 1, 1, 1, 0 },
new[] { 1, 1, 1, 0 },
new[] { 1, 1, 1, 0 },
new[] { 0, 0, 0, 0 },
};
var results = new[] {
new[] { 1, 0, 1, 0 },
new[] { 0, 0, 0, 0 },
new[] { 1, 0, 1, 0 },
new[] { 0, 0, 0, 0 }
};
//act
Tick.Evolve(initial);
//assert
Assert.Equal(results, initial);
}