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Update all projects #1771

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1cd9812
Update all projects
BillWagner Aug 11, 2026
e80088e
First pass at .net 9 tests
BillWagner Aug 12, 2026
f9d64af
Fix all unit tests.
BillWagner Aug 12, 2026
6caa314
Add roadmap comments
BillWagner Aug 12, 2026
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20 changes: 10 additions & 10 deletions tools/ExampleTester.Tests/FastCsprojCompilationParserTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,7 @@ public static void Defaults()
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
</PropertyGroup>

</Project>
Expand All @@ -93,8 +93,8 @@ public static void Defaults()
result.CompilationOptions.NullableContextOptions.ShouldBe(NullableContextOptions.Disable);
result.AssemblyName.ShouldBe(Path.GetFileNameWithoutExtension(CsprojFileName));
result.CompilationOptions.AllowUnsafe.ShouldBeFalse();
result.ParseOptions.LanguageVersion.ShouldBe(LanguageVersion.CSharp10); // Due to net6.0
result.CompilationOptions.WarningLevel.ShouldBe(6); // Due to net6.0
result.ParseOptions.LanguageVersion.ShouldBe(LanguageVersion.CSharp13); // Due to net9.0
result.CompilationOptions.WarningLevel.ShouldBe(9); // Due to net9.0
result.GeneratedSources.ShouldBeEmpty();
}

Expand All @@ -105,11 +105,11 @@ public static void ParsesTargetFramework()
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
</PropertyGroup>

</Project>
""").TargetFramework.ShouldBe("net6.0");
""").TargetFramework.ShouldBe("net9.0");
}

[Test]
Expand All @@ -119,7 +119,7 @@ public static void ParsesOutputType([Values("Library", "Exe", "WinExe")] string
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<OutputType>{outputType}</OutputType>
</PropertyGroup>

Expand All @@ -139,7 +139,7 @@ public static void ParsesNullable([Values("enable", "disable", "annotations", "w
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<Nullable>{nullable}</Nullable>
</PropertyGroup>

Expand All @@ -160,7 +160,7 @@ public static void ParsesAssemblyName()
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<AssemblyName>Xyz</AssemblyName>
</PropertyGroup>

Expand All @@ -175,7 +175,7 @@ public static void ParsesAllowUnsafeBlocks([Values("true", "false")] string allo
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<AllowUnsafeBlocks>{allowUnsafeBlocks}</AllowUnsafeBlocks>
</PropertyGroup>

Expand All @@ -200,7 +200,7 @@ public static void ParsesImplicitUsings([Values("true", "enable", "false", "disa
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<ImplicitUsings>{implicitUsings}</ImplicitUsings>
</PropertyGroup>

Expand Down
6 changes: 5 additions & 1 deletion tools/ExampleTester/ExampleTester.csproj
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Expand Up @@ -10,12 +10,16 @@

<ItemGroup>
<PackageReference Include="Basic.Reference.Assemblies.Net60" Version="1.8.10" />
<PackageReference Include="Basic.Reference.Assemblies.Net70" Version="1.8.10" />
<PackageReference Include="Basic.Reference.Assemblies.Net80" Version="1.8.10" />
<PackageReference Include="Basic.Reference.Assemblies.Net90" Version="1.8.10" />
<PackageReference Include="Basic.Reference.Assemblies.Net100" Version="1.8.10" />
<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.6.0" />
<PackageReference Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="5.6.0" />
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
<PackageReference Include="NUnit" Version="4.6.1" />
<PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
<PackageReference Include="System.CommandLine" Version="2.0.10" />
<PackageReference Include="System.CommandLine" Version="2.0.11" />
</ItemGroup>

<ItemGroup>
Expand Down
15 changes: 13 additions & 2 deletions tools/ExampleTester/FastCsprojCompilationParser.cs
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Expand Up @@ -39,13 +39,23 @@ private sealed record TargetFrameworkInfo(
LanguageVersion DefaultLanguageVersion,
int DefaultWarningLevel);


// When we add new rows here, we need to add the corresponding NuGet package to ExampleTester.csproj. These packages provide the information used
// for the reference assemblies.
private static readonly FrozenDictionary<string, TargetFrameworkInfo> SupportedTargetFrameworks = new KeyValuePair<string, TargetFrameworkInfo>[]
{
new("net6.0", new(Basic.Reference.Assemblies.Net60.References.All, LanguageVersion.CSharp10, DefaultWarningLevel: 6)),
new("net7.0", new(Basic.Reference.Assemblies.Net70.References.All, LanguageVersion.CSharp11, DefaultWarningLevel: 7)),
new("net8.0", new(Basic.Reference.Assemblies.Net80.References.All, LanguageVersion.CSharp12, DefaultWarningLevel: 8)),
new("net9.0", new(Basic.Reference.Assemblies.Net90.References.All, LanguageVersion.CSharp13, DefaultWarningLevel: 9)),
new("net10.0", new(Basic.Reference.Assemblies.Net100.References.All, LanguageVersion.CSharp14, DefaultWarningLevel: 10)),
}.ToFrozenDictionary(StringComparer.OrdinalIgnoreCase);

// When we add new versions, this list changes. You'll need to change the current release from ".NET9_0",

@jskeet jskeet Aug 12, 2026

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Suggested change
// When we add new versions, this list changes. You'll need to change the current release from ".NET9_0",
// When we add new versions, this list changes. You'll need to change the current release from "NET9_0",

// and add necessary "NET?_0_OR_GREATER" symbols.
private static readonly CSharpParseOptions DefaultParseOptions = new(preprocessorSymbols: [
"TRACE", "RELEASE", "NET", "NET6_0", "NETCOREAPP", "NET5_0_OR_GREATER", "NET6_0_OR_GREATER",
"TRACE", "RELEASE", "NET", "NET9_0", "NETCOREAPP", "NET5_0_OR_GREATER", "NET6_0_OR_GREATER",
"NET7_0_OR_GREATER","NET8_0_OR_GREATER","NET9_0_OR_GREATER",
"NETCOREAPP1_0_OR_GREATER", "NETCOREAPP1_1_OR_GREATER", "NETCOREAPP2_0_OR_GREATER",
"NETCOREAPP2_1_OR_GREATER", "NETCOREAPP2_2_OR_GREATER", "NETCOREAPP3_0_OR_GREATER",
"NETCOREAPP3_1_OR_GREATER"]);
Expand All @@ -58,7 +68,8 @@ private sealed record TargetFrameworkInfo(
new("NU1605", ReportDiagnostic.Error),
new("CS1702", ReportDiagnostic.Suppress),
new("CS1701", ReportDiagnostic.Suppress),
new("CS8002", ReportDiagnostic.Suppress)]);
new("CS8002", ReportDiagnostic.Suppress),
new("SYSLIB0011", ReportDiagnostic.Error)]);

public static CsprojParseResult ParseCsproj(XDocument csprojDocument, string filePath)
{
Expand Down
2 changes: 1 addition & 1 deletion tools/MarkdownConverter.Tests/MarkdownConverter.Tests.csproj
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Expand Up @@ -15,7 +15,7 @@
<ItemGroup>
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
<PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
<PackageReference Include="XMLUnit.Core" Version="2.11.1" />
<PackageReference Include="XMLUnit.Core" Version="2.11.2" />
<PackageReference Include="xunit" Version="2.9.3" />
<PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
Expand Down
6 changes: 3 additions & 3 deletions tools/MarkdownConverter/MarkdownConverter.csproj
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Expand Up @@ -11,9 +11,9 @@
<ItemGroup>
<PackageReference Include="csharp2colorized" Version="1.0.3" />
<PackageReference Include="DocumentFormat.OpenXml" Version="3.5.1" />
<PackageReference Include="FSharp.Core" Version="10.1.201" />
<PackageReference Include="FSharp.Formatting" Version="22.0.0" />
<PackageReference Include="Microsoft.CodeAnalysis" Version="5.3.0" />
<PackageReference Include="FSharp.Core" Version="11.0.100" />
<PackageReference Include="FSharp.Formatting" Version="22.1.0" />
<PackageReference Include="Microsoft.CodeAnalysis" Version="5.6.0" />
</ItemGroup>

<ItemGroup>
Expand Down
2 changes: 1 addition & 1 deletion tools/StandardAnchorTags/StandardAnchorTags.csproj
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Expand Up @@ -8,7 +8,7 @@
</PropertyGroup>

<ItemGroup>
<PackageReference Include="System.CommandLine" Version="2.0.10" />
<PackageReference Include="System.CommandLine" Version="2.0.11" />
</ItemGroup>

<ItemGroup>
Expand Down
2 changes: 1 addition & 1 deletion tools/Utilities/Utilities.csproj
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Expand Up @@ -8,7 +8,7 @@

<ItemGroup>
<PackageReference Include="Octokit" Version="14.0.0" />
<PackageReference Include="System.Text.Json" Version="10.0.10" />
<PackageReference Include="System.Text.Json" Version="10.0.11" />
</ItemGroup>

</Project>
3 changes: 1 addition & 2 deletions tools/example-templates/code-in-class-lib-without-using/Project.csproj
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@@ -1,11 +1,10 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<AssemblyName>$example-name</AssemblyName>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<Nullable>annotations</Nullable>
<LangVersion>12</LangVersion>
</PropertyGroup>

</Project>
3 changes: 1 addition & 2 deletions tools/example-templates/code-in-class-lib/Project.csproj
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@@ -1,11 +1,10 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<AssemblyName>$example-name</AssemblyName>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<Nullable>annotations</Nullable>
<LangVersion>12</LangVersion>
</PropertyGroup>

</Project>
3 changes: 1 addition & 2 deletions tools/example-templates/code-in-main-without-using/Project.csproj
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Expand Up @@ -2,11 +2,10 @@

<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<Nullable>annotations</Nullable>
<AssemblyName>$example-name</AssemblyName>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<LangVersion>12</LangVersion>
</PropertyGroup>

</Project>
3 changes: 1 addition & 2 deletions tools/example-templates/code-in-main/Project.csproj
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Expand Up @@ -2,11 +2,10 @@

<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<Nullable>annotations</Nullable>
<AssemblyName>$example-name</AssemblyName>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<LangVersion>12</LangVersion>
</PropertyGroup>

</Project>
3 changes: 1 addition & 2 deletions tools/example-templates/code-in-partial-class/Project.csproj
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Expand Up @@ -2,11 +2,10 @@

<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<AssemblyName>$example-name</AssemblyName>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<Nullable>annotations</Nullable>
<LangVersion>12</LangVersion>
</PropertyGroup>

</Project>
3 changes: 1 addition & 2 deletions tools/example-templates/extern-lib/ExampleProject.csproj
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@@ -1,11 +1,10 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<EnableDefaultItems>false</EnableDefaultItems>
<NoWarn>CS0169</NoWarn>
<Nullable>annotations</Nullable>
<LangVersion>9</LangVersion>
</PropertyGroup>

<ItemGroup>
Expand Down
3 changes: 1 addition & 2 deletions tools/example-templates/extern-lib/ExternN2.csproj
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@@ -1,10 +1,9 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<EnableDefaultItems>false</EnableDefaultItems>
<Nullable>annotations</Nullable>
<LangVersion>9</LangVersion>
</PropertyGroup>

<ItemGroup>
Expand Down
3 changes: 1 addition & 2 deletions tools/example-templates/extern-lib/ExternR1.csproj
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@@ -1,10 +1,9 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<EnableDefaultItems>false</EnableDefaultItems>
<Nullable>annotations</Nullable>
<LangVersion>9</LangVersion>
</PropertyGroup>

<ItemGroup>
Expand Down
3 changes: 1 addition & 2 deletions tools/example-templates/extern-lib/ExternX.csproj
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@@ -1,10 +1,9 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<EnableDefaultItems>false</EnableDefaultItems>
<Nullable>annotations</Nullable>
<LangVersion>9</LangVersion>
</PropertyGroup>

<ItemGroup>
Expand Down
3 changes: 1 addition & 2 deletions tools/example-templates/extern-lib/ExternY.csproj
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@@ -1,10 +1,9 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<EnableDefaultItems>false</EnableDefaultItems>
<Nullable>annotations</Nullable>
<LangVersion>9</LangVersion>
</PropertyGroup>

<ItemGroup>
Expand Down
3 changes: 1 addition & 2 deletions tools/example-templates/standalone-console-without-using/Project.csproj
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Expand Up @@ -2,10 +2,9 @@

<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>disable</Nullable>
<LangVersion>12</LangVersion>
<AssemblyName>$example-name</AssemblyName>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<Nullable>annotations</Nullable>
Expand Down
3 changes: 1 addition & 2 deletions tools/example-templates/standalone-console/Project.csproj
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Expand Up @@ -2,10 +2,9 @@

<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>disable</Nullable>
<LangVersion>12</LangVersion>
<AssemblyName>$example-name</AssemblyName>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<Nullable>annotations</Nullable>
Expand Down
3 changes: 1 addition & 2 deletions tools/example-templates/standalone-lib-without-using/Project.csproj
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@@ -1,10 +1,9 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<AssemblyName>$example-name</AssemblyName>
<LangVersion>12</LangVersion>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<Nullable>annotations</Nullable>
</PropertyGroup>
Expand Down
3 changes: 1 addition & 2 deletions tools/example-templates/standalone-lib/Project.csproj
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@@ -1,11 +1,10 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net9.0</TargetFramework>
<AssemblyName>$example-name</AssemblyName>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<Nullable>annotations</Nullable>
<LangVersion>12</LangVersion>
</PropertyGroup>

</Project>
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