From de9af89015295d30088cf95477c9079eb3c3d1b4 Mon Sep 17 00:00:00 2001
From: Sam Harwell <Sam.Harwell@microsoft.com>
Date: Wed, 21 Jul 2021 15:44:07 -0700
Subject: [PATCH] Add ReferenceAssemblies.Net.Net60

---
 .../PublicAPI.Unshipped.txt                   |  1 +
 .../ReferenceAssemblies.cs                    | 19 +++++++++++++++++++
 .../MetadataReferenceTests.cs                 |  2 ++
 3 files changed, 22 insertions(+)

diff --git a/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/PublicAPI.Unshipped.txt b/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/PublicAPI.Unshipped.txt
index f9d4cbf7d..7c946dcb0 100644
--- a/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/PublicAPI.Unshipped.txt
+++ b/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/PublicAPI.Unshipped.txt
@@ -252,6 +252,7 @@ static Microsoft.CodeAnalysis.Testing.DiagnosticResult.CompilerWarning(string id
 static Microsoft.CodeAnalysis.Testing.IVerifierExtensions.EqualOrDiff(this Microsoft.CodeAnalysis.Testing.IVerifier verifier, string expected, string actual, string message = null) -> void
 static Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.Default.get -> Microsoft.CodeAnalysis.Testing.ReferenceAssemblies
 static Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.Net.Net50.get -> Microsoft.CodeAnalysis.Testing.ReferenceAssemblies
+static Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.Net.Net60.get -> Microsoft.CodeAnalysis.Testing.ReferenceAssemblies
 static Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.NetCore.NetCoreApp10.get -> Microsoft.CodeAnalysis.Testing.ReferenceAssemblies
 static Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.NetCore.NetCoreApp11.get -> Microsoft.CodeAnalysis.Testing.ReferenceAssemblies
 static Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.NetCore.NetCoreApp20.get -> Microsoft.CodeAnalysis.Testing.ReferenceAssemblies
diff --git a/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ReferenceAssemblies.cs b/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ReferenceAssemblies.cs
index 8e085d213..2ab950247 100644
--- a/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ReferenceAssemblies.cs
+++ b/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ReferenceAssemblies.cs
@@ -865,7 +865,26 @@ public static class Net
                         Path.Combine("ref", "net5.0"));
                 });
 
+            private static readonly Lazy<ReferenceAssemblies> _lazyNet60 =
+                new Lazy<ReferenceAssemblies>(() =>
+                {
+                    if (!NuGetFramework.Parse("net6.0").IsPackageBased)
+                    {
+                        // The NuGet version provided at runtime does not recognize the 'net6.0' target framework
+                        throw new NotSupportedException("The 'net6.0' target framework is not supported by this version of NuGet.");
+                    }
+
+                    return new ReferenceAssemblies(
+                        "net6.0",
+                        new PackageIdentity(
+                            "Microsoft.NETCore.App.Ref",
+                            "6.0.0-preview.6.21352.12"),
+                        Path.Combine("ref", "net6.0"));
+                });
+
             public static ReferenceAssemblies Net50 => _lazyNet50.Value;
+
+            public static ReferenceAssemblies Net60 => _lazyNet60.Value;
         }
 
         public static class NetStandard
diff --git a/tests/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing.UnitTests/MetadataReferenceTests.cs b/tests/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing.UnitTests/MetadataReferenceTests.cs
index 70f0a47d5..9a5f501f3 100644
--- a/tests/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing.UnitTests/MetadataReferenceTests.cs
+++ b/tests/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing.UnitTests/MetadataReferenceTests.cs
@@ -450,6 +450,7 @@ public async Task ResolveReferenceAssemblies_Net50()
         [InlineData("netcoreapp3.1")]
 #if !(NETCOREAPP1_1 || NET46)
         [InlineData("net5.0")]
+        [InlineData("net6.0")]
 #endif
         [InlineData("netstandard1.0")]
         [InlineData("netstandard1.1")]
@@ -500,6 +501,7 @@ internal static ReferenceAssemblies ReferenceAssembliesForTargetFramework(string
                 "netcoreapp3.0" => ReferenceAssemblies.NetCore.NetCoreApp30,
                 "netcoreapp3.1" => ReferenceAssemblies.NetCore.NetCoreApp31,
                 "net5.0" => ReferenceAssemblies.Net.Net50,
+                "net6.0" => ReferenceAssemblies.Net.Net60,
                 "netstandard1.0" => ReferenceAssemblies.NetStandard.NetStandard10,
                 "netstandard1.1" => ReferenceAssemblies.NetStandard.NetStandard11,
                 "netstandard1.2" => ReferenceAssemblies.NetStandard.NetStandard12,