public void TestRoundTripNegativeEnums()
{
NegativeEnumMessage msg = new NegativeEnumMessage
{
Value = NegativeEnum.MinusOne,
Values = { NegativeEnum.Zero, NegativeEnum.MinusOne, NegativeEnum.FiveBelow },
PackedValues = { NegativeEnum.Zero, NegativeEnum.MinusOne, NegativeEnum.FiveBelow }
};
Assert.AreEqual(58, msg.CalculateSize());
byte[] bytes = new byte[58];
CodedOutputStream output = new CodedOutputStream(bytes);
msg.WriteTo(output);
Assert.AreEqual(0, output.SpaceLeft);
NegativeEnumMessage copy = NegativeEnumMessage.Parser.ParseFrom(bytes);
Assert.AreEqual(msg, copy);
}