.

wcfs/internal/xbtree_test.py

@@ -636,6 +636,8 @@ def test_restructure():
     assert S(z) == 'T5/B1,3-B5,6'
     z[7] = X[7]
     assert S(z) == 'T5,6/B1,3-B5-B6,7'
+    z[8] = X[8]
+    assert S(z) == 'T6/T5-T7/B1,3-B5-B6-B7,8'
 
 
     #for nkeys in range(5):