.

wcfs/internal/xbtree_test.py

@@ -445,6 +445,7 @@ def test_restructure():
     for i in range(N):
         X.append(XBlk('abcdefgh'[i]))
 
+    # assertB wraps global assertB to automatically fill in X[k] values for specified keys.
     def assertB(znode, *keyv):
         globals()['assertB'](znode, *[(k,X[k]) for k in keyv])
 
@@ -598,6 +599,13 @@ def test_restructure():
     assertB(b1,  1)
     assertB(b35, 3,5)
 
+    # -> T2,4/B1-B3-B5        (kill intermediate trees, split B35->B3+B5)
+    R(z, 'T2,4/B1-B3-B5')
+    b5, = assertT(z, [2,4], b1,b35,'B')
+    b3 = b35
+    assertB(b1, 1)
+    assertB(b3, 3)
+    assertB(b5, 5)