One more test to ensure DefaultInstance is read-only

1 files changed, 10 insertions, 0 deletions

diff --git a/src/ProtocolBuffers.Test/ReusableBuilderTest.cs b/src/ProtocolBuffers.Test/ReusableBuilderTest.cs
index 2f81a814..194313cb 100644
--- a/src/ProtocolBuffers.Test/ReusableBuilderTest.cs
+++ b/src/ProtocolBuffers.Test/ReusableBuilderTest.cs
@@ -1,6 +1,7 @@
 using System;

 using System.Collections.Generic;

 using System.Text;

+using Google.ProtocolBuffers.Collections;

 using NUnit.Framework;

 using Google.ProtocolBuffers.TestProtos;

 using Google.ProtocolBuffers.Serialization;

@@ -11,6 +12,15 @@ namespace Google.ProtocolBuffers
     public class ReusableBuilderTest

     {

         [Test]

+        public void TestModifyDefaultInstance()

+        {

+            //verify that the default instance has correctly been marked as read-only

+            Assert.AreEqual(typeof(PopsicleList<bool>), TestAllTypes.DefaultInstance.RepeatedBoolList.GetType());

+            PopsicleList<bool> list = (PopsicleList<bool>)TestAllTypes.DefaultInstance.RepeatedBoolList;

+            Assert.IsTrue(list.IsReadOnly);

+        }

+

+        [Test]

         public void TestUnmodifiedDefaultInstance()

         {

             //Simply calling ToBuilder().Build() no longer creates a copy of the message