diff -r 4348fb8cae27 Lib/test/test_collections.py
--- a/Lib/test/test_collections.py  Fri May 27 12:56:41 2016 -0600
+++ b/Lib/test/test_collections.py  Sat May 28 15:06:28 2016 +0300
@@ -38,6 +38,18 @@
                 b=b.__name__,
             ),
         )
+
+    def _copy_test(self, obj):
+        # Test internal copy
+        obj_copy = obj.copy()
+        self.assertIsNot(obj.data, obj_copy.data)
+        self.assertEqual(obj.data, obj_copy.data)
+
+        # Test copy.copy
+        obj_copy = copy.copy(obj)
+        self.assertIsNot(obj.data, obj_copy.data)
+        self.assertEqual(obj.data, obj_copy.data)
+
     def test_str_protocol(self):
         self._superset_test(UserString, str)
 
@@ -47,6 +59,17 @@
     def test_dict_protocol(self):
         self._superset_test(UserDict, dict)
 
+    def test_list_copy(self):
+        obj = UserList()
+        obj.append(123)
+        self._copy_test(obj)
+
+    @unittest.skip("Under implementation")
+    def test_dict_copy(self):
+        obj = UserDict()
+        obj[123] = "abc"
+        self._copy_test(obj)
+
 
 ################################################################################
 ### ChainMap (helper class for configparser and the string module)