From 79f1c5efbe20744c79769d9d2d5635c8900fd268 Mon Sep 17 00:00:00 2001
From: Adam Sitnik <adam.sitnik@gmail.com>
Date: Thu, 27 Jun 2024 18:09:46 +0200
Subject: [PATCH 1/2] re-enable BinaryFormatter tests, fixes #103447

---
 eng/Versions.props                                            | 2 ++
 .../tests/System.Formats.Nrbf.Tests.csproj                    | 4 ++++
 .../System.Resources.Extensions.BinaryFormat.Tests.csproj     | 3 +--
 .../System.Resources.Extensions.Compat.Tests.csproj           | 1 +
 .../tests/System.Resources.Extensions.Tests.csproj            | 1 +
 5 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/eng/Versions.props b/eng/Versions.props
index 191f9587c29a84..7523819dc94a37 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -163,6 +163,8 @@
     <MicrosoftDiaSymReaderVersion>2.0.0</MicrosoftDiaSymReaderVersion>
     <MicrosoftDiaSymReaderNativeVersion>17.10.0-beta1.24272.1</MicrosoftDiaSymReaderNativeVersion>
     <SystemCommandLineVersion>2.0.0-beta4.23407.1</SystemCommandLineVersion>
+    <!-- This package provides working implementation of BinaryFormatter and is used only by test projects -->
+    <SystemRuntimeSerializationFormattersVersion>9.0.0-preview.7.24327.2</SystemRuntimeSerializationFormattersVersion>
     <TraceEventVersion>3.1.7</TraceEventVersion>
     <NETStandardLibraryRefVersion>2.1.0</NETStandardLibraryRefVersion>
     <NetStandardLibraryVersion>2.0.3</NetStandardLibraryVersion>
diff --git a/src/libraries/System.Formats.Nrbf/tests/System.Formats.Nrbf.Tests.csproj b/src/libraries/System.Formats.Nrbf/tests/System.Formats.Nrbf.Tests.csproj
index 2acfeb3e162ba0..513d152362e247 100644
--- a/src/libraries/System.Formats.Nrbf/tests/System.Formats.Nrbf.Tests.csproj
+++ b/src/libraries/System.Formats.Nrbf/tests/System.Formats.Nrbf.Tests.csproj
@@ -17,5 +17,9 @@
   <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">
     <PackageReference Include="System.Text.Json" Version="$(SystemTextJsonVersion)" />
   </ItemGroup>
+  
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)' != '.NETFramework'">
+    <PackageReference Include="System.Runtime.Serialization.Formatters" Version="$(SystemRuntimeSerializationFormattersVersion)" />
+  </ItemGroup>
 
 </Project>
diff --git a/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/System.Resources.Extensions.BinaryFormat.Tests.csproj b/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/System.Resources.Extensions.BinaryFormat.Tests.csproj
index 31756f1f73e7a4..4ed852682fb119 100644
--- a/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/System.Resources.Extensions.BinaryFormat.Tests.csproj
+++ b/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/System.Resources.Extensions.BinaryFormat.Tests.csproj
@@ -14,9 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <!-- TODO 103447: These tests all require BinaryFormatter, which won't work until there's a published NuGet package.
     <Compile Include="**\*.cs" />
-    -->
   </ItemGroup>
 
   <ItemGroup>
@@ -40,6 +38,7 @@
     <PackageReference Include="FluentAssertions" Version="$(FluentAssertionsVersion)" />
     <ProjectReference Include="..\..\src\System.Resources.Extensions.csproj" />
     <PackageReference Include="System.Drawing.Common" Version="$(SystemDrawingCommonVersion)" />
+    <PackageReference Include="System.Runtime.Serialization.Formatters" Version="$(SystemRuntimeSerializationFormattersVersion)" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/libraries/System.Resources.Extensions/tests/CompatTests/System.Resources.Extensions.Compat.Tests.csproj b/src/libraries/System.Resources.Extensions/tests/CompatTests/System.Resources.Extensions.Compat.Tests.csproj
index 9fcff5ccde38c8..e56833eb8b2848 100644
--- a/src/libraries/System.Resources.Extensions/tests/CompatTests/System.Resources.Extensions.Compat.Tests.csproj
+++ b/src/libraries/System.Resources.Extensions/tests/CompatTests/System.Resources.Extensions.Compat.Tests.csproj
@@ -18,6 +18,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="System.Drawing.Common.TestData" Version="$(SystemDrawingCommonTestDataVersion)" />
+    <PackageReference Include="System.Runtime.Serialization.Formatters" Version="$(SystemRuntimeSerializationFormattersVersion)" />
     <ProjectReference Include="..\..\src\System.Resources.Extensions.csproj" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETCoreApp'">
diff --git a/src/libraries/System.Resources.Extensions/tests/System.Resources.Extensions.Tests.csproj b/src/libraries/System.Resources.Extensions/tests/System.Resources.Extensions.Tests.csproj
index 8a197d09368674..d9fb191bb69308 100644
--- a/src/libraries/System.Resources.Extensions/tests/System.Resources.Extensions.Tests.csproj
+++ b/src/libraries/System.Resources.Extensions/tests/System.Resources.Extensions.Tests.csproj
@@ -21,6 +21,7 @@
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETCoreApp'">
     <PackageReference Include="System.Drawing.Common" Version="$(SystemDrawingCommonVersion)" />
+    <PackageReference Include="System.Runtime.Serialization.Formatters" Version="$(SystemRuntimeSerializationFormattersVersion)" />
     <ProjectReference Include="$(LibrariesProjectRoot)System.Windows.Extensions\src\System.Windows.Extensions.csproj" Condition="'$(TargetPlatformIdentifier)' == 'windows'" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">

From ec45dad5e223f18701cb14f5caca03723f648b26 Mon Sep 17 00:00:00 2001
From: Adam Sitnik <adam.sitnik@gmail.com>
Date: Fri, 28 Jun 2024 10:34:09 +0200
Subject: [PATCH 2/2] don't run BF tests on WASM and Mobile

---
 .../Common/tests/TestUtilities/System/PlatformDetection.cs      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
index abed01449f2637..d744960a639634 100644
--- a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
+++ b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
@@ -731,7 +731,7 @@ private static bool DetermineBinaryFormatterSupport()
             {
                 return true;
             }
-            else if (IsNativeAot)
+            else if (IsNativeAot || IsBrowser || IsMobile)
             {
                 return false;
             }