public void DisconnectSymmetricallyTest() { var a = new PathNode(); var b = new PathNode(); a.ConnectSymmetrically(b); Assert.IsTrue(a.Connections.Contains(b)); Assert.IsTrue(b.Connections.Contains(a)); a.DisconnectSymmetrically(b); Assert.IsFalse(a.Connections.Contains(b)); Assert.IsFalse(b.Connections.Contains(a)); }