public void FindClosestPoints_WhenOnePoint_ThenThisPoint()
{
// when
(Point2D, Point2D)result = ClosestPoints.FindClosestPoints(new[] { Point2D.Of(2, 2) });
// then
result.As <IEquatable <(Point2D, Point2D)> >().Should().Be((Point2D.Of(2, 2), Point2D.Of(2, 2)));
}
public void FindClosestPoints_WhenThreePoints_ThenPairOfClosestPoints()
{
// when
(Point2D, Point2D)result =
ClosestPoints.FindClosestPoints(new[] { Point2D.Of(3, 2), Point2D.Of(1, 1), Point2D.Of(7, 0) });
// then
result.As <IEquatable <(Point2D, Point2D)> >().Should().Be((Point2D.Of(1, 1), Point2D.Of(3, 2)));
}
public void FindClosestPoints_WhenMultiplePoints_ThenPairOfClosestPoints()
{
// when
(Point2D, Point2D)result = ClosestPoints.FindClosestPoints(
new[] { Point2D.Of(1, 1), Point2D.Of(-2, 2), Point2D.Of(-4, 4),
Point2D.Of(3, -3), Point2D.Of(0, -5), Point2D.Of(1, 0),
Point2D.Of(-7, 2), Point2D.Of(4, 5) });
// then
result.As <IEquatable <(Point2D, Point2D)> >().Should().Be((Point2D.Of(1, 1), Point2D.Of(1, 0)));
}
