Added test demonstrating failing case where subclass of list cannot b…

…e pickled if it has a custom __init__.

tests/jsonpickle_test.py

@@ -17,7 +17,7 @@
 from jsonpickle import handlers
 from jsonpickle import tags
 
-from samples import Thing, ThingWithSlots, ThingWithProps, BrokenReprThing, DictSubclass, ListSubclass, SetSubclass
+from samples import Thing, ThingWithSlots, ThingWithProps, BrokenReprThing, DictSubclass, ListSubclass, SetSubclass, ListSubclassWithInit
 
 class PicklingTestCase(unittest.TestCase):
     def setUp(self):
@@ -437,6 +437,13 @@ def test_references(self):
         for x in range(len(coll)):
             self.assertEqual(repr(coll[x]), repr(inflated[x]))
 
+    def test_list_subclass_with_init(self):
+        obj = ListSubclassWithInit('foo')
+        self.assertEqual(obj.attr, 'foo')
+        flattened = self.pickler.flatten(obj)
+        inflated = self.unpickler.restore(flattened)
+        self.assertEqual(type(inflated), ListSubclassWithInit)
+
 class JSONPickleTestCase(unittest.TestCase):
     def setUp(self):
         self.obj = Thing('A name')

tests/samples.py

@@ -75,6 +75,10 @@ class DictSubclass(dict):
 class ListSubclass(list):
     pass
 
+class ListSubclassWithInit(list):
+    def __init__(self, attr):
+        self.attr = attr
+        super(ListSubclassWithInit, self).__init__()
 
 class SetSubclass(set):
     pass