1 files changed, 50 insertions, 0 deletions
diff --git a/test/functional/abstract_class_instantiated_py3.py b/test/functional/abstract_class_instantiated_py3.py
index 146666e..8d94733 100644
--- a/test/functional/abstract_class_instantiated_py3.py
+++ b/test/functional/abstract_class_instantiated_py3.py
@@ -10,6 +10,7 @@ abstract methods.
 __revision__ = 0
 
 import abc
+import weakref
 
 class GoodClass(object, metaclass=abc.ABCMeta):
     pass
@@ -38,11 +39,60 @@ class ThirdBadClass(SecondBadClass):
     pass
 
 
+class Structure(object, metaclass=abc.ABCMeta):
+    @abc.abstractmethod
+    def __iter__(self):
+        pass
+    @abc.abstractmethod
+    def __len__(self):
+        pass
+    @abc.abstractmethod
+    def __contains__(self):
+        pass
+    @abc.abstractmethod
+    def __hash__(self):
+        pass
+
+class Container(Structure):
+    def __contains__(self):
+        pass
+
+class Sizable(Structure):
+    def __len__(self):
+        pass
+
+class Hashable(Structure):
+    __hash__ = 42
+
+
+class Iterator(Structure):
+    def keys(self): # pylint: disable=no-self-use
+        return iter([1, 2, 3])
+
+    __iter__ = keys
+
+class AbstractSizable(Structure):
+    @abc.abstractmethod
+    def length(self):
+        pass
+    __len__ = length
+
+class NoMroAbstractMethods(Container, Iterator, Sizable, Hashable):
+    pass
+
+class BadMroAbstractMethods(Container, Iterator, AbstractSizable):
+    pass
+
 def main():
     """ do nothing """
     GoodClass()
     SecondGoodClass()
     ThirdGoodClass()
+    weakref.WeakKeyDictionary()
+    weakref.WeakValueDictionary()
+    NoMroAbstractMethods()
+
+    BadMroAbstractMethods() # [abstract-class-instantiated]
     BadClass() # [abstract-class-instantiated]
     SecondBadClass() # [abstract-class-instantiated]
     ThirdBadClass() # [abstract-class-instantiated]