implement/test slicing

zopefoundation · May 4, 2013 · 4c8a54d · 4c8a54d
1 parent 0ce4ec9
commit 4c8a54d
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diff --git a/src/Record/__init__.py b/src/Record/__init__.py
@@ -93,3 +93,12 @@ def __delitem__(self, key):
 
     def __contains__(self, key):
         return key in self._schema
+
+    def __getslice__(self, i, j):
+        raise TypeError('Record objects do not support slicing')
+
+    def __setslice__(self, i, j, sequence):
+        raise TypeError('Record objects do not support slicing')
+
+    def __delslice__(self, i, j):
+        raise TypeError('Record objects do not support slicing')
diff --git a/src/Record/tests.py b/src/Record/tests.py
@@ -126,3 +126,9 @@ def test_contains(self):
         self.assertTrue('a' in r)
         self.assertTrue('c' in r)
         self.assertFalse('d' in r)
+
+    def test_slice(self):
+        r = R((1, 2, None))
+        self.assertRaises(TypeError, r.__getslice__, 0, 1)
+        self.assertRaises(TypeError, r.__setslice__, 0, 1, (1, 2))
+        self.assertRaises(TypeError, r.__delslice__, 0, 1)