Merge pull request #58 from InvestmentSystems/improve-test-suite

Improving on tests

Author: Guru Devanla

test/test_util.py

@@ -134,6 +134,11 @@ def test_shape_filter_a(self) -> None:
         with self.assertRaises(NotImplementedError):
             shape_filter(a1.reshape(1,2,5))
 
+        with self.assertRaises(NotImplementedError):
+            # zero dimension
+            shape_filter(np.array(1))
+
+        
     #---------------------------------------------------------------------------
 
     def test_column_2d_filter_a(self) -> None: