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()19 fn test_empty_enum() {
20     let v: [Option<Color>; 1] = [num_renamed::FromPrimitive::from_u64(0)];
21 
22     assert_eq!(v, [None]);
23 }
24