Added a regression test

src/Compilers/Core/MSBuildTaskTests/MSBuildTaskTests.csproj

@@ -23,6 +23,10 @@
       <Project>{76C6F005-C89D-4348-BB4A-391898DBEB52}</Project>
       <Name>TestUtilities.Desktop</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\CSharp\Portable\CSharpCodeAnalysis.csproj">
+      <Project>{b501a547-c911-4a05-ac6e-274a50dff30e}</Project>
+      <Name>CSharpCodeAnalysis</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\Test\Resources\Core\CompilerTestResources.csproj">
       <Project>{7FE6B002-89D8-4298-9B1B-0B5C247DD1FD}</Project>
       <Name>CompilerTestResources</Name>
@@ -72,6 +76,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="MiscTests.cs" />
     <Compile Include="CscTests.cs" />
     <Compile Include="CsiTests.cs" />
     <Compile Include="IntegrationTests.cs" />
@@ -86,4 +91,4 @@
   </ItemGroup>
   <Import Project="..\..\..\..\build\Targets\VSL.Imports.targets" />
   <Import Project="..\..\..\..\build\Targets\Roslyn.Toolsets.Xunit.targets" />
-</Project>
+</Project>
\ No newline at end of file

src/Compilers/Core/MSBuildTaskTests/MiscTests.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.
+
+using System;
+using System.Linq;
+using Microsoft.Build.Framework;
+using Microsoft.CodeAnalysis.BuildTasks;
+using Xunit;
+using Moq;
+using Roslyn.Test.Utilities;
+using Microsoft.CodeAnalysis.CSharp;
+using System.Collections.Immutable;
+
+namespace Microsoft.CodeAnalysis.BuildTasks.UnitTests
+{
+    public sealed class MiscTests
+    {
+        /// <summary>
+        /// The build task very deliberately does not depend on any of our shipping binaries.  This is to avoid
+        /// potential load conflicts for dependencies when loading custom versions of our task.
+        /// </summary>
+        [Fact]
+        [WorkItem(1183, "https://github.com/Microsoft/msbuild/issues/1183")]
+        public void EnsureDependencies()
+        {
+            var assembly = typeof(ManagedCompiler).Assembly;
+            foreach (var name in assembly.GetReferencedAssemblies())
+            {
+                var isBadRef =
+                    name.Name == typeof(Compilation).Assembly.GetName().Name ||
+                    name.Name == typeof(CSharpCompilation).Assembly.GetName().Name ||
+                    name.Name == typeof(ImmutableArray<string>).Assembly.GetName().Name;
+                Assert.False(isBadRef);
+            }
+        }
+    }
+}

src/Compilers/Core/MSBuildTaskTests/project.json

@@ -2,6 +2,7 @@
     "dependencies": {
         "xunit": "2.1.0",
         "xunit.runner.console": "2.2.0-beta1-build3239",
+        "System.Collections.Immutable": "1.2.0",
         "Roslyn.Microsoft.Build": "0.0.2",
         "Moq": "4.2.1402.2112"
     },