.

wcfs/internal/xbtree_test.py

@@ -281,5 +281,16 @@ def test_AllStructs():
     # XXX ...
 
 
+
+def test_keyvSliceBy():
+    X = xbtree._keyvSliceBy
+    assert X([],  0,0)  == []
+    assert X([1], 0,0)  == []
+    assert X([1], 0,1)  == []
+    assert X([1], 1,1)  == []
+    assert X([1], 1,2)  == [1]
+
+    assert X([1,3,5,10,17], 3,10) == [3,5]
+
 # XXX test_keyvSliceBy
 # XXX test_iterSplitByN