Merge pull request #8619 from tmat/COF

Add CompilationOutputFiles test helper.

src/Test/Utilities/Shared/Compilation/CompilationOutputFiles.cs

+// Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
+
+namespace Microsoft.CodeAnalysis.Test.Utilities
+{
+    public struct CompilationOutputFiles
+    {
+        public readonly string PE;
+        public readonly string Pdb;
+        public readonly string XmlDocs;
+
+        public CompilationOutputFiles(string pe, string pdb = null, string xmlDocs = null)
+        {
+            PE = pe;
+            Pdb = pdb;
+            XmlDocs = xmlDocs;
+        }
+    }
+}

src/Test/Utilities/Shared/TestUtilities.projitems

@@ -23,6 +23,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Assert\EqualityUtil`1.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Compilation\CompilationDifference.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Compilation\CompilationExtensions.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Compilation\CompilationOutputFiles.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Compilation\CompilationTestDataExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Compilation\SpeculativeSemanticModelTestsBase.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Diagnostics\DescriptorFactory.cs" />