@@ -296,6 +296,31 @@ public void IterableDecoderTest()
296296Assert . DoesNotThrow ( ( ) => { codec . TryDecode ( pyList , out intEnumerable ) ; } ) ;
297297CollectionAssert . AreEqual ( intEnumerable , new List < object > { 1 , 2 , 3 } ) ;
298298}
299+
300+ // regression for https://github.com/pythonnet/pythonnet/issues/1427
301+ [ Test ]
302+ public void PythonRegisteredDecoder_NoStackOverflowOnSystemType ( )
303+ {
304+ const string PyCode = @"
305+ import clr
306+ import System
307+ from Python.Runtime import PyObjectConversions
308+ from Python.Runtime.Codecs import RawProxyEncoder
309+
310+
311+ class ListAsRawEncoder(RawProxyEncoder):
312+ __namespace__ = 'Dummy'
313+ def CanEncode(self, clr_type):
314+ return clr_type.Name == 'IList`1' and clr_type.Namespace == 'System.Collections.Generic'
315+
316+
317+ list_encoder = ListAsRawEncoder()
318+ PyObjectConversions.RegisterEncoder(list_encoder)
319+
320+ system_type = list_encoder.GetType()" ;
321+
322+ PythonEngine . Exec ( PyCode ) ;
323+ }
299324}
300325
301326/// <summary>