From 5349e706863892c919ff84bebea7822cfdd9ad94 Mon Sep 17 00:00:00 2001
From: Lucas Loegel <lucas.loegel@outlook.com>
Date: Thu, 2 Jul 2015 14:46:13 +0200
Subject: [PATCH] Fix issue #66 - Test discovery may fail if the test display
 name is longer than 447 characters.

---
 .../Visitors/VsDiscoveryVisitor.cs                    | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/xunit.runner.visualstudio.testadapter/Visitors/VsDiscoveryVisitor.cs b/xunit.runner.visualstudio.testadapter/Visitors/VsDiscoveryVisitor.cs
index 6bd7cd3a..246846cc 100644
--- a/xunit.runner.visualstudio.testadapter/Visitors/VsDiscoveryVisitor.cs
+++ b/xunit.runner.visualstudio.testadapter/Visitors/VsDiscoveryVisitor.cs
@@ -23,6 +23,8 @@ public class VsDiscoveryVisitor : TestMessageVisitor<IDiscoveryCompleteMessage>,
     {
         static readonly Action<TestCase, string, string> addTraitThunk = GetAddTraitThunk();
         static readonly Uri uri = new Uri(Constants.ExecutorUri);
+		const string Ellipsis = "...";
+		const int MaximumDisplayNameLength = 447;
 
         readonly Func<bool> cancelThunk;
         readonly ITestFrameworkDiscoverer discoverer;
@@ -85,9 +87,16 @@ static string Escape(string value)
             if (value == null)
                 return String.Empty;
 
-            return value.Replace("\r", "\\r").Replace("\n", "\\n").Replace("\t", "\\t");
+			return Truncate(value.Replace("\r", "\\r").Replace("\n", "\\n").Replace("\t", "\\t"));
         }
 
+		static string Truncate(string value)
+		{
+			if (value.Length <= MaximumDisplayNameLength)
+				return value;
+			return value.Substring(0, MaximumDisplayNameLength - Ellipsis.Length) + Ellipsis;
+		}
+
         public int Finish()
         {
             Finished.WaitOne();