Add test to check if QgsFeature.setAttributes handles 0 vs NULL correctly

Author: m-kuhn

tests/src/python/test_qgsfeature.py

@@ -15,12 +15,14 @@
 import qgis
 import os
 
-from qgis.core import QgsFeature, QgsGeometry, QgsPoint, QgsVectorLayer
+from qgis.core import QgsFeature, QgsGeometry, QgsPoint, QgsVectorLayer, NULL
 from utilities import (unitTestDataPath,
                        getQgisTestApp,
                        TestCase,
                        unittest
                        )
+from unittest import expectedFailure
+
 QGISAPP, CANVAS, IFACE, PARENT = getQgisTestApp()
 
 
@@ -68,6 +70,14 @@ def test_Attributes(self):
 
         assert myAttributes == myExpectedAttributes, myMessage
 
+    @expectedFailure
+    def test_SetAttribute(self):
+        feat = QgsFeature()
+        feat.initAttributes(1)
+        feat.setAttributes([0])
+        feat.setAttributes([NULL])
+        assert [NULL] == feat.attributes()
+
     def test_DeleteAttribute(self):
         feat = QgsFeature()
         feat.initAttributes(3)