mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-25 08:13:41 +00:00
40 lines
886 B
Rust
40 lines
886 B
Rust
// run-pass
|
|
// 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);
|
|
}
|