Weakfuncref test

tests/test_weakfuncref.py

@@ -24,6 +24,18 @@ def make_weakfuncref_method_that_will_get_gcd():
     return weakfuncref.WeakFunctionRef(Thing.method)
 
 
+def test_weakfuncref_call():
+
+    def func():
+        pass
+
+    non_gcd_func = weakfuncref.WeakFunctionRef(func)
+    gcd_func     = make_weakfuncref_that_will_get_gcd()
+
+    assert gcd_func()     is None
+    assert non_gcd_func() is func
+
+
 def test_weakfuncref_function():
 
     def func():