option optimize_for = LITE_RUNTIME; package TestEnum; enum Color { BLACK = 0; RED = 1; GREEN = 2; BLUE = 3; MAX = 2147483646; NEG = -1; // Older versions (before 2.6.0) of the google protobuf compiler have a // bug and don't allow the real minimum of -2147483648, so we are testing // with this. MIN = -2147483647; } message Test { required Color color = 1; }