diff --git a/tests/test_method_dunder.py b/tests/test_method_dunder.py
new file mode 100644
index 000000000..e591f6316
--- /dev/null
+++ b/tests/test_method_dunder.py
@@ -0,0 +1,73 @@
+import System
+from System.Collections import IEnumerable, IEnumerator
+
+
+class CustomIterator(IEnumerator):
+    def __init__(self, enumerable):
+        self.enumerable = enumerable
+        self.position = -1
+
+    def get_Current(self):
+        if self.position == -1: return None
+        if self.position >= len(self.enumerable): return None
+        return self.enumerable[self.position]
+
+    def MoveNext(self):
+        self.position += 1
+        return self.position < len(self.enumerable)
+
+    def Reset(self):
+        self.position = -1
+
+
+class CustomEnumerable(IEnumerable):
+    def __init__(self, values, attributes):
+        self.values = values
+        self.myattributes = attributes
+
+    def __getitem__(self, key):
+        return self.values[key]
+
+    def __len__(self):
+        return len(self.values)
+
+    def __iter__(self):
+       for a in self.myattributes:
+          yield a
+
+    def GetEnumerator(self):
+        return CustomIterator(self)
+
+
+def test_custom_enumerable():
+    e = CustomEnumerable([1, 2, 3], ['a', 'b'])
+
+    assert len(e) == 3
+
+    assert e[0] == 1
+    assert e[1] == 2
+    assert e[2] == 3
+
+    l = list([x for x in e])
+    assert len(l) == 2
+    assert l[0] == 'a'
+    assert l[1] == 'b'
+
+
+def test_custom_enumerator():
+    e = CustomIterator([1, 2, 3])
+    l = list([x for x in e])
+    assert len(l) == 3
+    assert l[0] == 1
+    assert l[1] == 2
+    assert l[2] == 3
+
+
+def test_custom_enumerable_getEnumerator():
+    e = CustomEnumerable([1, 2, 3], ['a', 'b'])
+
+    l = list(e.GetEnumerator())
+    assert len(l) == 3
+    assert l[0] == 1
+    assert l[1] == 2
+    assert l[2] == 3
diff --git a/tests/test_method_getattr_self.py b/tests/test_method_getattr_self.py
new file mode 100644
index 000000000..6aa07cfd9
--- /dev/null
+++ b/tests/test_method_getattr_self.py
@@ -0,0 +1,63 @@
+from typing import Any
+
+import System
+
+
+class T1(System.Object):
+    def __init__(self, value) -> None:
+        self.answer = value
+
+    def __getattr__(self, key):
+        if key == 'answer':
+            return self.answer
+        return super().__getattr__()
+
+
+class T2(System.Object):
+    def __init__(self, value) -> None:
+        self.answer = value
+
+    def __getattribute__(self, __name: str) -> Any:
+        if __name == 'answer':
+            return 43
+        return super().__getattribute__(__name)
+
+    def __getattr__(self, key):
+        if key == 'answer':
+            return self.answer
+        return super().__getattr__()
+
+
+class T3(System.Object):
+    answer = 44
+
+    def __getattr__(self, key):
+        if key == 'answer':
+            return self.answer
+        return super().__getattr__()
+
+
+class T4(System.Object):
+    def __getattribute__(self, __name: str) -> Any:
+        if __name == 'answer':
+            return 45
+        return super().__getattribute__(__name)
+
+    def __getattr__(self, key):
+        if key == 'answer':
+            return self.answer
+        return super().__getattr__()
+
+
+def test_method_getattr_self():
+    t1 = T1(42)
+    assert t1.answer == 42
+
+    t2 = T2(42)
+    assert t2.answer == 43
+
+    t3 = T3()
+    assert t3.answer == 44
+
+    t4 = T4()
+    assert t4.answer == 45