add a test in the docstring

sagemath · Oct 29, 2019 · 632a2d9 · 632a2d9
1 parent ae40381
commit 632a2d9
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/sage/geometry/polyhedron/face.py b/src/sage/geometry/polyhedron/face.py
@@ -573,6 +573,14 @@ def dim(self):
             [-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
               1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
               1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3]
+
+        TESTS::
+
+            Check that :trac:`28650` is fixed::
+
+            sage: P = Polyhedron(vertices=[[1,0]], rays=[[1,0],[0,1]])
+            sage: P.faces(2)
+            (A 2-dimensional face of a Polyhedron in QQ^2 defined as the convex hull of 1 vertex and 2 rays,)
         """
         if self.n_ambient_Vrepresentation() == 0:
             return -1