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use enum_utils::IterVariants;
#[derive(Debug, IterVariants, PartialEq, Eq)]
#[repr(u32)]
enum LargeDiscriminant {
MaxMinusOne = 0xffff_fffe,
Max = 0xffff_ffff,
}
#[test]
fn large_discriminant() {
use self::LargeDiscriminant::*;
assert_eq!(vec![MaxMinusOne, Max],
LargeDiscriminant::iter().collect::<Vec<_>>());
}
#[derive(Debug, Clone, IterVariants, PartialEq, Eq)]
#[repr(u8)]
enum Zst {
Singleton,
}
#[test]
fn zst() {
assert_eq!(vec![Zst::Singleton],
Zst::iter().collect::<Vec<_>>());
}
#[derive(Debug, IterVariants, PartialEq, Eq)]
enum Empty {}
#[test]
fn empty() {
assert_eq!(Vec::<Empty>::new(),
Empty::iter().collect::<Vec<Empty>>());
}
#[derive(Debug, Clone, IterVariants, PartialEq, Eq)]
#[repr(u8)]
#[allow(unused)]
enum SkipCLike {
A,
#[enumeration(skip)]
B,
C,
}
#[test]
fn skip_c_like() {
use self::SkipCLike::*;
assert_eq!(vec![A, C],
SkipCLike::iter().collect::<Vec<_>>());
}
#[derive(Debug, IterVariants, PartialEq, Eq)]
#[repr(C, u16)]
#[repr(align(2))]
enum MultiRepr {
A,
B,
}
#[test]
fn multi_repr() {
use self::MultiRepr::*;
assert_eq!(vec![A, B],
MultiRepr::iter().collect::<Vec<_>>());
}
|
