public void TestCalculateManhattanDistance(string moves, int expectedDistance)
{
Point start = new Point(0, 0);
var sut = new PointCalculator(start, moves);
var lastPoint = sut.Calculate().Last();
int actualDistance = ManhattanDistance.Calculate(start, lastPoint);
Assert.Equal(expectedDistance, actualDistance);
}
public void TestCalculateResultOfFirstPuzzle(string firstMoves, string secondMoves, int expectedDistance)
{
Point start = new Point(0, 0);
var sut = new PointCalculator(start, firstMoves);
var pointOfFirstMoves = sut.Calculate();
sut = new PointCalculator(start, secondMoves);
var pointOfSecondMoves = sut.Calculate();
var minDistanceOfIntersectingPoints = pointOfFirstMoves.Intersect(pointOfSecondMoves)
.Select(p => ManhattanDistance.Calculate(start, p))
.Min();
Assert.Equal(expectedDistance, minDistanceOfIntersectingPoints);
}
public void TestCalculateResultOfSecondPuzzle(string firstMoves, string secondMoves, int expectedSteps)
{
Point start = new Point(0, 0);
var sut = new PointCalculator(start, firstMoves);
var pointOfFirstMoves = sut.Calculate();
sut = new PointCalculator(start, secondMoves);
var pointOfSecondMoves = sut.Calculate();
var intersectingPoints = pointOfFirstMoves.Intersect(pointOfSecondMoves);
List <int> steps = new List <int>();
foreach (var point in intersectingPoints)
{
var firstSteps = pointOfFirstMoves.Where(p => p.Equals(point)).Select(p => p.Count);
var secondSteps = pointOfSecondMoves.Where(p => p.Equals(point)).Select(p => p.Count);
steps.Add(firstSteps.First() + secondSteps.First());
}
var actualBestSteps = steps.Min();
Assert.Equal(expectedSteps, actualBestSteps);
}