public void ComputeDistance_CoordinateLineLineSegmentMode_ReturnsPointDistanceIfABAreEquals()
{
Coordinate A = new Coordinate(1, 1);
Coordinate B = new Coordinate(1, 1);
Coordinate c = new Coordinate(1, 2);
Euclidean2DCalculator target = new Euclidean2DCalculator();
double distance = target.CalculateDistance(c, A, B, LineMode.LineSegment);
Assert.Equal(1, distance);
}
public void ComputeDistance_CoordinateLineLineSegmentMode_ReturnsZeroIfPointLiesOnLineSegment(Coordinate c, Coordinate A, Coordinate B)
{
Euclidean2DCalculator target = new Euclidean2DCalculator();
double distance = target.CalculateDistance(c, A, B, LineMode.LineSegment);
Assert.Equal(0, distance);
}
public void ComputeDistance_CoordinateLineLineSegmentMode_ReturnsDistanceToEndPointsIfPointsProjectionLiesOutsideSegment()
{
Coordinate A = new Coordinate(1, 1);
Coordinate B = new Coordinate(-1, -1);
Coordinate c1 = new Coordinate(1,2);
Coordinate c2 = new Coordinate(-1,-2);
Euclidean2DCalculator target = new Euclidean2DCalculator();
double distanceC1 = target.CalculateDistance(c1, A, B, LineMode.LineSegment);
Assert.Equal(1, distanceC1);
double distanceC2 = target.CalculateDistance(c2, A, B, LineMode.LineSegment);
Assert.Equal(1, distanceC2);
}
public void ComputeDistance_CoordinateLineLineSegmentMode_ComputesPerpendicularDistanceToLineIfPointsProjectionLiesInside(Coordinate c, Coordinate A, Coordinate B, double expectedDistance)
{
Euclidean2DCalculator target = new Euclidean2DCalculator();
double distance = target.CalculateDistance(c, A, B, LineMode.LineSegment);
Assert.Equal(expectedDistance, distance);
}
public void ComputeDistance_CoordinateCoordinate_ReturnsZeroForPointsWithSameXYCoordinates(Coordinate c1, Coordinate c2)
{
Euclidean2DCalculator target = new Euclidean2DCalculator();
double distance = target.CalculateDistance(c1, c2);
Assert.Equal(0, distance);
}
public void ComputeDistance_CoordinateCoordinate_ReturnsDistanceBetweenCoordinates(Coordinate c1, Coordinate c2, double expectedDistance)
{
Euclidean2DCalculator target = new Euclidean2DCalculator();
double distance = target.CalculateDistance(c1, c2);
Assert.Equal(expectedDistance, distance);
}
public void ComputeDistance_CoordinateCoordinate_IgnoresZOrdinate()
{
Euclidean2DCalculator target = new Euclidean2DCalculator();
double distance = target.CalculateDistance(new Coordinate(-1, 0, 100), new Coordinate(1, 0, -100));
Assert.Equal(2, distance);
}