From 53f430282a336560fc2846a7570f1d656b447b36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Denuzi=C3=A8re?= <loic@denuziere.net>
Date: Wed, 30 Aug 2023 11:49:14 +0200
Subject: [PATCH] Add test for union in regression #172

---
 tests/FSharp.SystemTextJson.Tests/Test.Regression.fs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/FSharp.SystemTextJson.Tests/Test.Regression.fs b/tests/FSharp.SystemTextJson.Tests/Test.Regression.fs
index c8b6198..2d9c9ba 100644
--- a/tests/FSharp.SystemTextJson.Tests/Test.Regression.fs
+++ b/tests/FSharp.SystemTextJson.Tests/Test.Regression.fs
@@ -113,10 +113,14 @@ let ``regression #154`` () =
     |> ignore
 
 type X = { X: X }
+type UY = UY of int * int
+type Y = { Y: UY }
 
 [<Fact>]
 let ``regression #172`` () =
     let x = { X = Unchecked.defaultof<_> }
+    let y = { Y = Unchecked.defaultof<_> }
     let options = JsonSerializerOptions()
     options.Converters.Add(JsonFSharpConverter())
     Assert.Equal("{\"X\":null}", JsonSerializer.Serialize(x, options))
+    Assert.Equal("{\"Y\":null}", JsonSerializer.Serialize(y, options))