public void Test_Common() { var node = new ArborNode("x"); Assert.IsNotNull(node); var extensibleObj = new Vertex(); node.Attach(extensibleObj); node.Detach(extensibleObj); Assert.AreEqual("x", node.Sign); Assert.AreEqual(null, node.Data); Assert.AreEqual(false, node.Fixed); Assert.AreEqual(1.0f, node.Mass); node.Pt = ArborPoint.Zero; Assert.AreEqual(ArborPoint.Zero, node.Pt); }