1 // Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT 2 // file at the top-level directory of this distribution and at 3 // http://rust-lang.org/COPYRIGHT. 4 // 5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or 6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license 7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your 8 // option. This file may not be copied, modified, or distributed 9 // except according to those terms. 10 11 extern crate num as num_renamed; 12 #[macro_use] 13 extern crate num_derive; 14 15 #[derive(Debug, PartialEq, FromPrimitive, ToPrimitive)] 16 enum Color {} 17 18 #[test] test_empty_enum()19fn test_empty_enum() { 20 let v: [Option<Color>; 1] = [num_renamed::FromPrimitive::from_u64(0)]; 21 22 assert_eq!(v, [None]); 23 } 24