public void TestBuilderLiteMergeDelimitedFrom()
{
TestAllTypesLite copy, msg = TestAllTypesLite.CreateBuilder()
.SetOptionalString("Should be merged.").Build();
copy = TestAllTypesLite.DefaultInstance;
Assert.AreNotEqual(msg.ToByteArray(), copy.ToByteArray());
Stream s = new MemoryStream();
msg.WriteDelimitedTo(s);
s.Position = 0;
copy = copy.ToBuilder().MergeDelimitedFrom(s).Build();
Assert.AreEqual(msg.ToByteArray(), copy.ToByteArray());
}