From be1400663b39d4df30ff725dd6728cb5bffa901f Mon Sep 17 00:00:00 2001
From: Steve Sanderson <SteveSandersonMS@users.noreply.github.com>
Date: Sun, 18 Feb 2018 23:54:12 +0000
Subject: [PATCH] Unit test to show the Razor compiler passes through any C#
 compilation errors

---
 .../RazorCompilerTest.cs                          | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/test/Microsoft.AspNetCore.Blazor.Build.Test/RazorCompilerTest.cs b/test/Microsoft.AspNetCore.Blazor.Build.Test/RazorCompilerTest.cs
index d042857d72..8fc9adab43 100644
--- a/test/Microsoft.AspNetCore.Blazor.Build.Test/RazorCompilerTest.cs
+++ b/test/Microsoft.AspNetCore.Blazor.Build.Test/RazorCompilerTest.cs
@@ -421,6 +421,21 @@ namespace Microsoft.AspNetCore.Blazor.Build.Test
                 frame => AssertFrame.Text(frame, "Hello"));
         }
 
+        [Fact]
+        public void SurfacesCSharpCompilationErrors()
+        {
+            // Arrange/Act
+            var result = CompileToAssembly(
+                GetArbitraryPlatformValidDirectoryPath(),
+                "file.cshtml",
+                "@invalidVar",
+                "Test.Base");
+
+            // Assert
+            Assert.Collection(result.Diagnostics,
+                diagnostic => Assert.Contains("'invalidVar'", diagnostic.GetMessage()));
+        }
+
         private static RenderTreeFrame[] GetRenderTree(IComponent component)
         {
             var renderer = new TestRenderer();