.

wcfs/internal/xbtree_test.py

@@ -150,6 +150,8 @@ def test_allStructs():
 
 
     assert X([1,3], 0, 0) == [ T([], B(1,3)) ]
+    assert Y([1,3], 0, 0) == [ T([], B(1,3)) ]
+
     assert X([1,3], 0, 1) == [ T([], B(1,3)),
                                # nsplit=1
                                T([0], B(), B(1,3)),
@@ -158,6 +160,11 @@ def test_allStructs():
                                T([3], B(1), B(3)),
                                T([4], B(1,3), B()),
                              ]
+    assert Y([1,3], 0, 1) == [ T([], B(1,3)),
+                               # nsplit=1
+                               T([2], B(1), B(3)),
+                               T([3], B(1), B(3)),
+                             ]
 
     assert X([1,3], 1, 0) == [ T([], B(1,3)),
                                # depth=1