public void NakedEdges()
{
var mesh = new Mesh3(
new List <Point3> {
new Point3(0, 0, 0), new Point3(1, 0, 0), new Point3(1, 1, 0), new Point3(0, 1, 0)
},
new List <Face3> {
new Face3(0, 1, 2), new Face3(0, 2, 3)
});
var ne = mesh.NakedEdges();
Assert.AreEqual(ne[0].A, 0);
Assert.AreEqual(ne[0].B, 1);
Assert.AreEqual(ne[1].A, 1);
Assert.AreEqual(ne[1].B, 2);
Assert.AreEqual(ne[2].A, 2);
Assert.AreEqual(ne[2].B, 3);
Assert.AreEqual(ne[3].A, 3);
Assert.AreEqual(ne[3].B, 0);
}