public void MoveInDirection_MoveRight_ResultsAsExpected()
{
var coordinate = new CartesianCoordinate(1, 1);
var newCoordinate = coordinate.MoveInDirection(DirectionEnum.Right);
var expectedCoordinate = new CartesianCoordinate(2, 1);
Assert.AreEqual(newCoordinate, expectedCoordinate);
}
public void MoveInDirection_MoveDownThenRight_DistanceToStartingPointIsRootOfTwo()
{
var coordinate = new CartesianCoordinate(1, 1);
var newCoordinate = coordinate.MoveInDirection(DirectionEnum.Down);
newCoordinate = newCoordinate.MoveInDirection(DirectionEnum.Right);
var expectedCoordinate = new CartesianCoordinate(2, 2);
Assert.AreEqual(newCoordinate, expectedCoordinate);
var distance = coordinate.Distance(newCoordinate);
Assert.AreEqual(distance, Math.Sqrt(2), 0.00000001);
}
