From 1338798897378d8d05ab2a4633f25bcd63cfdc87 Mon Sep 17 00:00:00 2001
From: Jan Tattermusch <jtattermusch@google.com>
Date: Mon, 10 Aug 2015 11:13:28 -0700
Subject: fix method signature and add test

---
 src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs | 8 ++++++++
 src/csharp/Grpc.Core/GrpcEnvironment.cs           | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs b/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
index 9ae12776f3..4ed93c7eca 100644
--- a/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
+++ b/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
@@ -69,5 +69,13 @@ namespace Grpc.Core.Tests
 
             Assert.IsFalse(object.ReferenceEquals(env1, env2));
         }
+
+        [Test]
+        public void GetCoreVersionString()
+        {
+            var coreVersion = GrpcEnvironment.GetCoreVersionString();
+            var parts = coreVersion.Split('.');
+            Assert.AreEqual(4, parts.Length);
+        }
     }
 }
diff --git a/src/csharp/Grpc.Core/GrpcEnvironment.cs b/src/csharp/Grpc.Core/GrpcEnvironment.cs
index 29a6ea7872..1bb83c9962 100644
--- a/src/csharp/Grpc.Core/GrpcEnvironment.cs
+++ b/src/csharp/Grpc.Core/GrpcEnvironment.cs
@@ -169,7 +169,7 @@ namespace Grpc.Core
         /// <summary>
         /// Gets version of gRPC C core.
         /// </summary>
-        internal string GetCoreVersionString()
+        internal static string GetCoreVersionString()
         {
             var ptr = grpcsharp_version_string();  // the pointer is not owned
             return Marshal.PtrToStringAnsi(ptr);
-- 
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