public void Linestring() { LineString l = new LineString(); Assert.IsTrue(l.IsEmpty()); Assert.IsNull(l.GetBoundingBox()); Assert.AreEqual(0, l.Length); Assert.IsFalse(l.Equals(null)); Assert.IsTrue(l.Equals(new LineString())); Collection<Point> vertices = new Collection<Point>(); vertices.Add(new Point(54, 23)); vertices.Add(new Point(93, 12)); vertices.Add(new Point(104, 32)); l.Vertices = vertices; Assert.IsFalse(l.IsEmpty()); Assert.IsFalse(l.IsClosed); Assert.AreEqual(3, l.NumPoints); Assert.AreEqual(new Point(54, 23), l.StartPoint); Assert.AreEqual(new Point(104,32), l.EndPoint); l.Vertices.Add(new Point(54, 23)); Assert.IsTrue(l.IsClosed); Assert.AreEqual(114.15056678325843, l.Length); Assert.AreNotSame(l.Clone(), l); Assert.AreNotSame(l.Clone().Vertices[0], l.Vertices[0]); Assert.AreEqual(l.Clone(), l); LineString l2 = l.Clone(); l2.Vertices[2] = l2.Vertices[2] + new Point(1, 1); Assert.AreNotEqual(l2, l); l2 = l.Clone(); l2.Vertices.Add(new Point(34, 23)); Assert.AreNotEqual(l2, l); }