Test Workplane.split error when no side kept

Author: marcus7070

tests/test_cadquery.py

@@ -2189,13 +2189,15 @@ def testSplitKeepingBottom(self):
         self.assertEqual(8, result.solids().item(0).faces().size())
 
     def testSplitError(self):
-        """
-        Test split produces the correct error when called with no solid to split.
-        """
+        # Test split produces the correct error when called with no solid to split.
         w = Workplane().hLine(1).vLine(1).close()
         with raises(ValueError):
             w.split(keepTop=True)
 
+        # Split should raise ValueError when called with no side kept
+        with raises(ValueError):
+            w.split(keepTop=False, keepBottom=False)
+
     def testBoxDefaults(self):
         """
         Tests creating a single box