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use crate::lib::{fmt::Formatter, Display, String};
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize, Debug)]
pub struct Error {
code: u32,
#[cfg(feature = "std")]
domain: String,
}
pub type Result<T> = crate::lib::Result<T, Error>;
pub fn deny() -> Result<bool> {
Ok(false)
}
pub fn allow() -> Result<bool> {
Ok(true)
}
impl Error {
#[cfg(not(feature = "std"))]
pub fn new(code: u32) -> Self {
Self { code }
}
#[cfg(feature = "std")]
pub fn new<S: Into<String>>(code: u32, domain: S) -> Self {
Self {
code,
domain: domain.into(),
}
}
#[cfg(feature = "std")]
#[inline]
pub fn domain(&self) -> &String {
&self.domain
}
#[inline]
pub fn code(&self) -> u32 {
self.code
}
}
impl Display for Error {
fn fmt(&self, f: &mut Formatter<'_>) -> crate::lib::fmt::Result {
#[cfg(feature = "std")]
{
write!(
f,
"Error {{ code: {}, domain: \"{}\" }}",
self.code, self.domain
)
}
#[cfg(not(feature = "std"))]
{
write!(f, "Error {{ code: {} }}", self.code)
}
}
}
#[cfg(feature = "std")]
impl crate::lib::error::Error for Error {}
#[cfg(feature = "std")]
#[cfg(test)]
mod std_test {
use super::*;
#[test]
fn can_be_created() {
let _error = Error::new(1000, "SOME_ERROR_DOMAIN");
}
#[test]
fn code_returns_provided_code() {
let error = Error::new(1000, "SOME_ERROR_DOMAIN");
assert_eq!(error.code(), 1000);
assert_eq!(error.code, 1000);
}
#[test]
fn domain_returns_provided_domain() {
let error = Error::new(1000, "SOME_ERROR_DOMAIN");
assert_eq!(error.domain(), "SOME_ERROR_DOMAIN");
assert_eq!(error.domain, "SOME_ERROR_DOMAIN");
}
#[test]
fn can_be_displayed() {
let error = Error::new(1000, "SOME_ERROR_DOMAIN");
assert_eq!(
format!("{}", error),
"Error { code: 1000, domain: \"SOME_ERROR_DOMAIN\" }"
);
}
#[test]
fn can_be_debugged() {
let error = Error::new(1000, "SOME_ERROR_DOMAIN");
assert_eq!(
format!("{:?}", error),
"Error { code: 1000, domain: \"SOME_ERROR_DOMAIN\" }"
);
}
}
#[cfg(not(feature = "std"))]
#[cfg(test)]
mod no_std_test {
use super::*;
#[test]
fn can_be_created_and_code_returns_provided_code() {
let error = Error::new(1000);
assert_eq!(error.code(), 1000);
assert_eq!(error.code, 1000);
}
}