.

wcfs/internal/xbtree_test.py

@@ -292,5 +292,15 @@ def test_keyvSliceBy():
 
     assert X([1,3,5,10,17], 3,10) == [3,5]
 
-# XXX test_keyvSliceBy
-# XXX test_iterSplitByN
+def test_iterSplitByN():
+    def X(lo, hi, nsplit):
+        return tuple(xbtree._iterSplitByN(lo, hi, nsplit))
+
+
+    assert X(0,0, 0)    == ( [0,0] ,)
+    assert X(0,0, 1)    == (        )
+    assert X(0,1, 0)    == ( [0,1] ,)
+    assert X(0,1, 1)    == (        )
+    assert X(0,2, 0)    == ( [0,2] ,)
+    assert X(0,2, 1)    == ( [0,1,2] ,)
+    assert X(0,2, 2)    == (          )