49 lines
1.3 KiB
Rust
49 lines
1.3 KiB
Rust
// Copyright 2015 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.
|
|
|
|
// Issue 15523: derive(PartialOrd) should use the provided
|
|
// discriminant values for the derived ordering.
|
|
//
|
|
// This test is checking corner cases that arise when you have
|
|
// 64-bit values in the variants.
|
|
|
|
#[derive(PartialEq, PartialOrd)]
|
|
#[repr(u64)]
|
|
enum Eu64 {
|
|
Pos2 = 2,
|
|
PosMax = !0,
|
|
Pos1 = 1,
|
|
}
|
|
|
|
#[derive(PartialEq, PartialOrd)]
|
|
#[repr(i64)]
|
|
enum Ei64 {
|
|
Pos2 = 2,
|
|
Neg1 = -1,
|
|
NegMin = 1 << 63,
|
|
PosMax = !(1 << 63),
|
|
Pos1 = 1,
|
|
}
|
|
|
|
fn main() {
|
|
assert!(Eu64::Pos2 > Eu64::Pos1);
|
|
assert!(Eu64::Pos2 < Eu64::PosMax);
|
|
assert!(Eu64::Pos1 < Eu64::PosMax);
|
|
|
|
|
|
assert!(Ei64::Pos2 > Ei64::Pos1);
|
|
assert!(Ei64::Pos2 > Ei64::Neg1);
|
|
assert!(Ei64::Pos1 > Ei64::Neg1);
|
|
assert!(Ei64::Pos2 > Ei64::NegMin);
|
|
assert!(Ei64::Pos1 > Ei64::NegMin);
|
|
assert!(Ei64::Pos2 < Ei64::PosMax);
|
|
assert!(Ei64::Pos1 < Ei64::PosMax);
|
|
}
|