Refactoring of CodedInputStream.Read??? to use boolean return with out param.
diff --git a/src/ProtocolBuffers.Test/CodedInputStreamTest.cs b/src/ProtocolBuffers.Test/CodedInputStreamTest.cs
index a49b1ed..c3ca0a1 100644
--- a/src/ProtocolBuffers.Test/CodedInputStreamTest.cs
+++ b/src/ProtocolBuffers.Test/CodedInputStreamTest.cs
@@ -362,7 +362,8 @@
 

             try

             {

-                input.ReadBytes();

+                ByteString bytes = null;

+                input.ReadBytes(ref bytes);

                 Assert.Fail("Should have thrown an exception!");

             }

             catch (InvalidProtocolBufferException)

@@ -506,7 +507,8 @@
 

             Assert.IsTrue(input.ReadTag(out testtag, out ignored));

             Assert.AreEqual(tag, testtag);

-            string text = input.ReadString();

+            string text = null;

+            input.ReadString(ref text);

             Assert.AreEqual('\ufffd', text[0]);

         }