.

readme.md

@@ -33,23 +33,29 @@ A traditional nuget that ships a single assembly `Polyfill.dll`.
 ```cs
 static bool InitCalled;
 
-[Fact]
+[Test]
 public void ModuleInitTest() =>
     Assert.True(InitCalled);
 
 [ModuleInitializer]
 public static void ModuleInit() =>
     InitCalled = true;
 ```
-<sup><a href='/src/Polyfill.Source.Tests/Samples.cs#L3-L15' title='Snippet source file'>snippet source</a> | <a href='#snippet-moduleinitializerattribute' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Polyfill.Source.Tests/Samples.cs#L4-L16' title='Snippet source file'>snippet source</a> | <a href='#snippet-moduleinitializerattribute' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 
 ### IsExternalInit
 
 `IsExternalInit` is required to use records in older runtimes
 
-snippet: IsExternalInit
+<!-- snippet: IsExternalInit -->
+<a id='snippet-isexternalinit'></a>
+```cs
+record MyRecord(string property);
+```
+<sup><a href='/src/Polyfill.Source.Tests/MyRecord.cs#L1-L5' title='Snippet source file'>snippet source</a> | <a href='#snippet-isexternalinit' title='Start of snippet'>anchor</a></sup>
+<!-- endSnippet -->
 
 
 ## Icon

src/Polyfill.Source.Tests/Polyfill.Source.Tests.csproj

@@ -1,16 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net7.0;net6.0;netcoreapp3.1;net48</TargetFrameworks>
-    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">net7.0;net6.0;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' == 'Windows_NT'">net462;net472;net48</TargetFrameworks>
+    <TargetFrameworks>$(TargetFrameworks);netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CS0649;CS8618;CS0105</NoWarn>
     <RootNamespace>Polyfill.Source.Tests</RootNamespace>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="..\Polyfill.Source\*.cs" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
-    <PackageReference Include="Verify.Xunit" Version="19.11.1" />
-    <PackageReference Include="Xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" PrivateAssets="all" />
+    <PackageReference Include="Verify.NUnit" Version="19.11.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.4.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="MarkdownSnippets.MsBuild" Version="24.5.1" />
     <PackageReference Include="ProjectDefaults" Version="1.0.89" PrivateAssets="all" />

src/Polyfill.Source.Tests/Samples.cs

@@ -1,10 +1,11 @@
-public class Samples
+[TestFixture]
+public class Samples
 {
     #region ModuleInitializerAttribute
 
     static bool InitCalled;
 
-    [Fact]
+    [Test]
     public void ModuleInitTest() =>
         Assert.True(InitCalled);
 

src/Polyfill.Source.Usage/Polyfill.Source.Usage.csproj

@@ -1,10 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net5.0;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' == 'Windows_NT'">net462;net472;net48</TargetFrameworks>
+    <TargetFrameworks>$(TargetFrameworks);netcoreapp3.1;netcoreapp3.0;netcoreapp2.2;netcoreapp2.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CS0649;CS8618;CS0105</NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <Compile Include="..\Polyfill.Source\*.cs">
-    </Compile>
+    <Using Remove="System.Net.Http" />
+    <Compile Include="..\Polyfill.Source\*.cs" />
   </ItemGroup>
 </Project>

src/Polyfill.Tests/Polyfill.Tests.csproj

@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net7.0;net6.0;netcoreapp3.1;net48</TargetFrameworks>
-    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">net7.0;net6.0;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' == 'Windows_NT'">net462;net472;net48</TargetFrameworks>
+    <TargetFrameworks>$(TargetFrameworks);netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CS0649;CS8618;CS0105</NoWarn>
   </PropertyGroup>
   <ItemGroup>
+    <Using Remove="System.Net.Http" />
     <Compile Include="..\Polyfill.Source.Tests\*.cs" />
-    <PackageReference Include="Verify.Xunit" Version="19.11.1" />
-    <PackageReference Include="Xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" PrivateAssets="all" />
+    <PackageReference Include="Verify.NUnit" Version="19.11.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.4.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="ProjectDefaults" Version="1.0.89" PrivateAssets="all" />
     <ProjectReference Include="..\Polyfill\Polyfill.csproj" />

src/Polyfill/Polyfill.csproj

@@ -1,12 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net5.0;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' == 'Windows_NT'">net462;net472;net48</TargetFrameworks>
+    <TargetFrameworks>$(TargetFrameworks);netcoreapp3.1;netcoreapp3.0;netcoreapp2.2;netcoreapp2.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CS0649;CS8618;CS0105</NoWarn>
     <DefineConstants>$(DefineConstants);PublicPolyfill</DefineConstants>
     <Description>Exposes newer .net and C# features to older runtimes.</Description>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
   <ItemGroup>
+    <Using Remove="System.Net.Http" />
     <Compile Include="..\Polyfill.Source\*.cs" />
     <PackageReference Include="ProjectDefaults" Version="1.0.89" PrivateAssets="all" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" Condition="$(Configuration) == 'Release'" />

src/global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "7.0.201",
+    "version": "8.0.100-preview.1.23115.2",
     "allowPrerelease": true,
     "rollForward": "latestFeature"
   }