From 86a97fd9d5080f9d2e663d366ac7732126bdccb5 Mon Sep 17 00:00:00 2001
From: Victor Milovanov <lost@losttech.software>
Date: Thu, 20 Aug 2020 16:46:17 -0700
Subject: [PATCH] added a test for finalization on shutdown

potential issue reported here: https://github.com/pythonnet/pythonnet/commit/610d309d62cecb1767c32a3d29df2ed06d13cde8#commitcomment-41601957
---
 src/embed_tests/TestFinalizer.cs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/embed_tests/TestFinalizer.cs b/src/embed_tests/TestFinalizer.cs
index f82767af1..2d8c996bf 100644
--- a/src/embed_tests/TestFinalizer.cs
+++ b/src/embed_tests/TestFinalizer.cs
@@ -87,6 +87,18 @@ public void CollectBasicObject()
             Assert.GreaterOrEqual(objectCount, 1);
         }
 
+        [Test]
+        public void CollectOnShutdown()
+        {
+            MakeAGarbage(out var shortWeak, out var longWeak);
+            FullGCCollect();
+            var garbage = Finalizer.Instance.GetCollectedObjects();
+            Assert.IsNotEmpty(garbage);
+            PythonEngine.Shutdown();
+            garbage = Finalizer.Instance.GetCollectedObjects();
+            Assert.IsEmpty(garbage);
+        }
+
         private static void MakeAGarbage(out WeakReference shortWeak, out WeakReference longWeak)
         {
             PyLong obj = new PyLong(1024);