Update run-weakref.test

Author: BobTheBuidler

mypyc/test-data/run-weakref.test

@@ -3,13 +3,14 @@
 [case testWeakrefRef]
 import asyncio
 import pytest  # type: ignore [import-not-found]
-from weakref import ref
+from weakref import proxy, ref
 from mypy_extensions import mypyc_attr
 
 @mypyc_attr(native_class=False)
 class Object:
     """some random weakreffable object"""
-    pass
+    def some_meth(self) -> int:
+        return 1
 
 def test_weakref_ref():
     obj = Object()
@@ -24,3 +25,19 @@ def test_weakref_ref_with_callback():
     assert r() is obj
     obj = None
     assert r() is None, r()
+
+def test_weakref_proxy():
+    obj = Object()
+    p = proxy(obj)
+    assert p.some_meth() == 1
+    obj = None
+    with pytest.raises(ReferenceError):
+        p.some_meth()
+
+def test_weakref_proxy_with_callback():
+    obj = Object()
+    p = proxy(obj, lambda x: x)
+    assert p.some_meth() == 1
+    obj = None
+    with pytest.raises(ReferenceError):
+        p.some_meth()