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#![allow(clippy::mixed_attributes_style)]
use thiserror::Error;
pub use std::error::Error;
#[test]
fn test_allow_attributes() {
#![deny(clippy::allow_attributes)]
#[derive(Error, Debug)]
#[error("...")]
pub struct MyError(#[from] anyhow::Error);
let _: MyError;
}
#[test]
fn test_unused_qualifications() {
#![deny(unused_qualifications)]
// Expansion of derive(Error) macro can't know whether something like
// std::error::Error is already imported in the caller's scope so it must
// suppress unused_qualifications.
#[derive(Error, Debug)]
#[error("...")]
pub struct MyError;
let _: MyError;
}
#[test]
fn test_needless_lifetimes() {
#![allow(dead_code)]
#![deny(clippy::elidable_lifetime_names, clippy::needless_lifetimes)]
#[derive(Error, Debug)]
#[error("...")]
pub enum MyError<'a> {
A(#[from] std::io::Error),
B(&'a ()),
}
let _: MyError;
}
#[test]
fn test_deprecated() {
#![deny(deprecated)]
#[derive(Error, Debug)]
#[deprecated]
#[error("...")]
pub struct DeprecatedStruct;
#[derive(Error, Debug)]
#[error("{message} {}", .message)]
pub struct DeprecatedStructField {
#[deprecated]
message: String,
}
#[derive(Error, Debug)]
#[deprecated]
pub enum DeprecatedEnum {
#[error("...")]
Variant,
}
#[derive(Error, Debug)]
pub enum DeprecatedVariant {
#[deprecated]
#[error("...")]
Variant,
}
#[derive(Error, Debug)]
pub enum DeprecatedFrom {
#[error(transparent)]
Variant(
#[from]
#[allow(deprecated)]
DeprecatedStruct,
),
}
#[allow(deprecated)]
let _: DeprecatedStruct;
#[allow(deprecated)]
let _: DeprecatedStructField;
#[allow(deprecated)]
let _ = DeprecatedEnum::Variant;
#[allow(deprecated)]
let _ = DeprecatedVariant::Variant;
#[allow(deprecated)]
let _ = DeprecatedFrom::Variant(DeprecatedStruct);
}
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