public void testPredicatesReturnFalseForEmptyGeometries() { var p1 = new GeometryFactory().CreatePoint((Coordinate)null); var p2 = new GeometryFactory().CreatePoint(new Coordinate(5, 5)); Assert.AreEqual(false, p1.Equals(p2)); Assert.AreEqual(true, p1.Disjoint(p2)); Assert.AreEqual(false, p1.Intersects(p2)); Assert.AreEqual(false, p1.Touches(p2)); Assert.AreEqual(false, p1.Crosses(p2)); Assert.AreEqual(false, p1.Within(p2)); Assert.AreEqual(false, p1.Contains(p2)); Assert.AreEqual(false, p1.Overlaps(p2)); Assert.AreEqual(false, p2.Equals(p1)); Assert.AreEqual(true, p2.Disjoint(p1)); Assert.AreEqual(false, p2.Intersects(p1)); Assert.AreEqual(false, p2.Touches(p1)); Assert.AreEqual(false, p2.Crosses(p1)); Assert.AreEqual(false, p2.Within(p1)); Assert.AreEqual(false, p2.Contains(p1)); Assert.AreEqual(false, p2.Overlaps(p1)); }