public void AreaCalculationTest2()
{
// Test a badly-formed polyline (with duplicate points):
var pline = new PolyLine(
new Vector(0, 0),
new Vector(0, 2),
new Vector(0, 2),
new Vector(2, 0),
new Vector(0, 0));
pline.Close();
double area = pline.CalculateEnclosedArea();
Assert.AreEqual(2.0, area);
}