.

wcfs/internal/xbtree_test.py

@@ -52,7 +52,6 @@ def test_structureOf():
                                                T([], B(7)),
                                                T([], B(11))) ))
 
-
 def test_topoEncoding():
     T = xbtree.Tree
     B = xbtree.Bucket
@@ -67,15 +66,12 @@ def test_topoEncoding():
     assert X(T([], B(1,3)))         == 'T/B1,3'
     assert X(T([], T([], B())))     == 'T/T/B'
 
-    # XXX two B under same T
-    # XXX more
-
     assert X(T([3],
                T([], B(1)),
                T([],
                  T([5], B(), B(7,8,9)))))   == "T3/T-T/B1-T5/B-B7,8,9"
 
-    # degenerate btree from ^^^
+    # degenerate btree from ZODB
     assert X(T([4],
                T([2],
                     T([], B(1)), T([], B(3))),
@@ -86,6 +82,11 @@ def test_topoEncoding():
                         T([], B(11))) )))   == "T4/T2-T/T-T-T6,10/B1-B3-T-T-T/T-B7-B11/B5"
 
 
+    for tree in xbtree.AllStructs([1,3,7,8], 1,2):
+        t2 = xbtree.TopoDecode(xbtree.TopoEncode(tree))
+        assert t2 == tree
+
+
 def test_allStructs():
     T = xbtree.Tree
     B = xbtree.Bucket