mirror of
https://github.com/rust-lang/rust
synced 2024-11-05 20:45:15 +00:00
42 lines
797 B
Rust
42 lines
797 B
Rust
// run-pass
|
|
// Issue 15523: derive(PartialOrd) should use the provided
|
|
// discriminant values for the derived ordering.
|
|
//
|
|
// This is checking the basic functionality.
|
|
|
|
#[derive(PartialEq, PartialOrd)]
|
|
enum E1 {
|
|
Pos2 = 2,
|
|
Neg1 = -1,
|
|
Pos1 = 1,
|
|
}
|
|
|
|
#[derive(PartialEq, PartialOrd)]
|
|
#[repr(u8)]
|
|
enum E2 {
|
|
Pos2 = 2,
|
|
PosMax = !0 as u8,
|
|
Pos1 = 1,
|
|
}
|
|
|
|
#[derive(PartialEq, PartialOrd)]
|
|
#[repr(i8)]
|
|
enum E3 {
|
|
Pos2 = 2,
|
|
Neg1 = -1_i8,
|
|
Pos1 = 1,
|
|
}
|
|
|
|
fn main() {
|
|
assert!(E1::Pos2 > E1::Pos1);
|
|
assert!(E1::Pos1 > E1::Neg1);
|
|
assert!(E1::Pos2 > E1::Neg1);
|
|
|
|
assert!(E2::Pos2 > E2::Pos1);
|
|
assert!(E2::Pos1 < E2::PosMax);
|
|
assert!(E2::Pos2 < E2::PosMax);
|
|
|
|
assert!(E3::Pos2 > E3::Pos1);
|
|
assert!(E3::Pos1 > E3::Neg1);
|
|
assert!(E3::Pos2 > E3::Neg1);
|
|
}
|