public void Part2_WithSampleInput_ShouldReturn26()
{
string sampleInput = @"
L.LL.LL.LL
LLLLLLL.LL
L.L.L..L..
LLLL.LL.LL
L.LL.LL.LL
L.LLLLL.LL
..L.L.....
LLLLLLLLLL
L.LLLLLL.L
L.LLLLL.LL";
string[] seats = sampleInput.Split(Environment.NewLine,
StringSplitOptions.TrimEntries |
StringSplitOptions.RemoveEmptyEntries
);
char[,] seatMap = new char[seats.Length, seats[0].Length];
for (int i = 0; i < seats.Length; i++)
{
for (int j = 0; j < seats[0].Length; j++)
{
seatMap[i, j] = seats[i][j];
}
}
RuleSet rules = new RuleSet();
rules.GetOccupiedThreshold = rules.GetPart2OccupiedThreshold;
rules.GetNumOccupiedSeats = rules.CountLineOfSightOccupiedSeats;
GameOfChairs chairs = new GameOfChairs(seatMap, rules);
chairs.RunRound();
chairs.RunRound();
chairs.RunRound();
chairs.RunRound();
chairs.RunRound();
chairs.RunRound();
Assert.Equal(26, chairs.CountAllOccupiedSeats());
Assert.Equal(
new char[10, 10] {
{ '#', '.', 'L', '#', '.', 'L', '#', '.', 'L', '#' },
{ '#', 'L', 'L', 'L', 'L', 'L', 'L', '.', 'L', 'L' },
{ 'L', '.', 'L', '.', 'L', '.', '.', '#', '.', '.' },
{ '#', '#', 'L', '#', '.', '#', 'L', '.', 'L', '#' },
{ 'L', '.', 'L', '#', '.', 'L', 'L', '.', 'L', '#' },
{ '#', '.', 'L', 'L', 'L', 'L', '#', '.', 'L', 'L' },
{ '.', '.', '#', '.', 'L', '.', '.', '.', '.', '.' },
{ 'L', 'L', 'L', '#', '#', '#', 'L', 'L', 'L', '#' },
{ '#', '.', 'L', 'L', 'L', 'L', 'L', '#', '.', 'L' },
{ '#', '.', 'L', '#', 'L', 'L', '#', '.', 'L', '#' }
},
chairs.CurrentMap
);
}
public void TestPart1_WithSampleInput_ShouldStabilizeAt37()
{
string sampleInput = @"
L.LL.LL.LL
LLLLLLL.LL
L.L.L..L..
LLLL.LL.LL
L.LL.LL.LL
L.LLLLL.LL
..L.L.....
LLLLLLLLLL
L.LLLLLL.L
L.LLLLL.LL";
string[] seats = sampleInput.Split(Environment.NewLine,
StringSplitOptions.TrimEntries |
StringSplitOptions.RemoveEmptyEntries
);
char[,] seatMap = new char[seats.Length, seats[0].Length];
for (int i = 0; i < seats.Length; i++)
{
for (int j = 0; j < seats[0].Length; j++)
{
seatMap[i, j] = seats[i][j];
}
}
RuleSet rules = new RuleSet();
rules.GetOccupiedThreshold = rules.GetPart1OccupiedThreshold;
rules.GetNumOccupiedSeats = rules.CountAdjacentOccupiedSeats;
GameOfChairs chairs = new GameOfChairs(seatMap, rules);
char[,] lastMap = new char[seatMap.GetLength(0), seatMap.GetLength(1)];
bool equal = false;
do
{
Array.Copy(chairs.CurrentMap, 0, lastMap, 0, chairs.CurrentMap.Length);
chairs.RunRound();
equal =
chairs.CurrentMap.Rank == lastMap.Rank &&
Enumerable.Range(0, chairs.CurrentMap.Rank).All(dimension => chairs.CurrentMap.GetLength(dimension) == lastMap.GetLength(dimension)) &&
chairs.CurrentMap.Cast <char>().SequenceEqual(lastMap.Cast <char>());
} while (!equal);
Assert.Equal(37, chairs.CountAllOccupiedSeats());
}