--- a/tests/test-ancestor.py.out Fri Nov 14 14:36:25 2014 -0800
+++ b/tests/test-ancestor.py.out Fri Nov 14 14:50:03 2014 -0800
@@ -35,14 +35,20 @@
% ancestors of [13] and not of [10, 11, 12]
[8, 13]
% lazy ancestor set for [], stoprev = 0, inclusive = False
-[]
+membership: []
+iteration: []
% lazy ancestor set for [11, 13], stoprev = 0, inclusive = False
-[7, 8, 3, 4, 1, 0]
+membership: [7, 8, 3, 4, 1, 0]
+iteration: [3, 7, 8, 1, 4, 0, 2]
% lazy ancestor set for [1, 3], stoprev = 0, inclusive = False
-[1, 0]
+membership: [1, 0]
+iteration: [0, 1]
% lazy ancestor set for [11, 13], stoprev = 0, inclusive = True
-[11, 13, 7, 8, 3, 4, 1, 0]
+membership: [11, 13, 7, 8, 3, 4, 1, 0]
+iteration: [11, 13, 3, 7, 8, 1, 4, 0, 2]
% lazy ancestor set for [11, 13], stoprev = 6, inclusive = False
-[7, 8]
+membership: [7, 8]
+iteration: [7, 8]
% lazy ancestor set for [11, 13], stoprev = 6, inclusive = True
-[11, 13, 7, 8]
+membership: [11, 13, 7, 8]
+iteration: [11, 13, 7, 8]