Merge 70f7e29 into 9d2cc06

zopefoundation · Jul 19, 2019 · cc31ccd · cc31ccd
2 parents 9d2cc06 + 70f7e29
commit cc31ccd
Show file tree

Hide file tree

Showing 2 changed files with 18 additions and 0 deletions.
diff --git a/persistent/list.py b/persistent/list.py
@@ -72,6 +72,13 @@ def append(self, item):
         self.__super_append(item)
         self._p_changed = 1
 
+    if not PYTHON2:
+        __super_clear = UserList.clear
+
+        def clear(self):
+            self.__super_clear()
+            self._p_changed = 1
+
     def insert(self, i, item):
         self.__super_insert(i, item)
         self._p_changed = 1

diff --git a/persistent/tests/test_list.py b/persistent/tests/test_list.py
@@ -303,6 +303,17 @@ def test_append(self):
         self.assertEqual(inst, [1])
         self.assertTrue(inst._p_changed)
 
+    def test_clear(self):
+        # The clear method is not part of Python 2.
+        from persistent._compat import PYTHON2
+        if not PYTHON2:
+            inst = self._makeOne([1])
+            self.assertFalse(inst._p_changed)
+            inst.clear()
+            self.assertEqual(inst, [])
+            self.assertTrue(inst._p_changed)
+
+
     def test_insert(self):
         inst = self._makeOne()
         self.assertFalse(inst._p_changed)