#[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub enum TpBufConfigError {
MaxPayloadLenTooBig { allowed_max: u32, actual: u32 },
}
impl core::fmt::Display for TpBufConfigError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
use TpBufConfigError::*;
match self {
MaxPayloadLenTooBig {
allowed_max,
actual,
} => write!(f, "TP pool config 'maximum payload value' {actual} is bigger then the maximum allowed value {allowed_max}."),
}
}
}
impl std::error::Error for TpBufConfigError {}
#[cfg(test)]
mod tests {
use super::TpBufConfigError::*;
#[test]
fn debug() {
let err = MaxPayloadLenTooBig {
allowed_max: 10,
actual: 12,
};
let _ = format!("{err:?}");
}
#[test]
fn clone_eq_hash_ord() {
use core::cmp::Ordering;
use std::collections::hash_map::DefaultHasher;
use std::hash::{Hash, Hasher};
let err = MaxPayloadLenTooBig {
allowed_max: 10,
actual: 12,
};
assert_eq!(err, err.clone());
let hash_a = {
let mut hasher = DefaultHasher::new();
err.hash(&mut hasher);
hasher.finish()
};
let hash_b = {
let mut hasher = DefaultHasher::new();
err.clone().hash(&mut hasher);
hasher.finish()
};
assert_eq!(hash_a, hash_b);
assert_eq!(Ordering::Equal, err.cmp(&err));
assert_eq!(Some(Ordering::Equal), err.partial_cmp(&err));
}
#[test]
fn fmt() {
assert_eq!(
format!("{}", &MaxPayloadLenTooBig{ allowed_max: 10, actual: 12 }),
"TP pool config 'maximum payload value' 12 is bigger then the maximum allowed value 10."
);
}
#[test]
fn source() {
use std::error::Error;
assert!(MaxPayloadLenTooBig {
allowed_max: 10,
actual: 12
}
.source()
.is_none());
}
}