| // Copyright 2013 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // no-pretty-expanded FIXME #15189 |
| |
| |
| #[derive(PartialEq, Eq, PartialOrd, Ord)] |
| enum E<T> { |
| E0, |
| E1(T), |
| E2(T,T) |
| } |
| |
| pub fn main() { |
| let e0 = E::E0; |
| let e11 = E::E1(1); |
| let e12 = E::E1(2); |
| let e21 = E::E2(1, 1); |
| let e22 = E::E2(1, 2); |
| |
| // in order for both PartialOrd and Ord |
| let es = [e0, e11, e12, e21, e22]; |
| |
| for (i, e1) in es.iter().enumerate() { |
| for (j, e2) in es.iter().enumerate() { |
| let ord = i.cmp(&j); |
| |
| let eq = i == j; |
| let lt = i < j; |
| let le = i <= j; |
| let gt = i > j; |
| let ge = i >= j; |
| |
| // PartialEq |
| assert_eq!(*e1 == *e2, eq); |
| assert_eq!(*e1 != *e2, !eq); |
| |
| // PartialOrd |
| assert_eq!(*e1 < *e2, lt); |
| assert_eq!(*e1 > *e2, gt); |
| |
| assert_eq!(*e1 <= *e2, le); |
| assert_eq!(*e1 >= *e2, ge); |
| |
| // Ord |
| assert_eq!(e1.cmp(e2), ord); |
| } |
| } |
| } |