public void ClosestBoundaryPointTest()
{
int Constrain(int location, int lowerBound, int upperBound)
{
if (location < lowerBound)
{
return(lowerBound);
}
else if (location < upperBound)
{
return(location);
}
else
{
return(upperBound - 1);
}
}
var rect = new Rectangle(100, 200, 300, 400);
for (var x = rect.Left - 200; x < rect.Right + 200; x++)
{
var xExpected = Constrain(x, rect.Left, rect.Right);
for (var y = rect.Top - 200; y < rect.Bottom + 200; y++)
{
var p = new Point(x, y);
var actual = GeometryUtil.ClosestBoundaryPoint(rect, p);
var yExpected = Constrain(y, rect.Top, rect.Bottom);
Assert.AreEqual(new Point(xExpected, yExpected), actual, $"{x}, {y}");
}
}
}