Added support for negative enum values and tests

1 files changed, 38 insertions, 0 deletions

diff --git a/src/ProtocolBuffers.Test/TestCornerCases.cs b/src/ProtocolBuffers.Test/TestCornerCases.cs
new file mode 100644
index 00000000..8a3fe051
--- /dev/null
+++ b/src/ProtocolBuffers.Test/TestCornerCases.cs
@@ -0,0 +1,38 @@
+using System;

+using System.Collections.Generic;

+using System.Text;

+using NUnit.Framework;

+using UnitTest.Issues.TestProtos;

+

+namespace Google.ProtocolBuffers

+{

+    [TestFixture]

+    public class TestCornerCases

+    {

+        [Test]

+        public void TestRoundTripNegativeEnums()

+        {

+            NegativeEnumMessage msg = NegativeEnumMessage.CreateBuilder()

+                .SetValue(NegativeEnum.MinusOne) //11

+                .AddValues(NegativeEnum.Zero) //2

+                .AddValues(NegativeEnum.MinusOne) //11

+                .AddValues(NegativeEnum.FiveBelow) //11

+                //2

+                .AddPackedValues(NegativeEnum.Zero) //1

+                .AddPackedValues(NegativeEnum.MinusOne) //10

+                .AddPackedValues(NegativeEnum.FiveBelow) //10

+                .Build();

+

+            Assert.AreEqual(58, msg.SerializedSize);

+

+            byte[] bytes = new byte[58];

+            CodedOutputStream output = CodedOutputStream.CreateInstance(bytes);

+

+            msg.WriteTo(output);

+            Assert.AreEqual(0, output.SpaceLeft);

+

+            NegativeEnumMessage copy = NegativeEnumMessage.ParseFrom(bytes);

+            Assert.AreEqual(msg, copy);

+        }

+    }

+}