45 lines
1 KiB
Rust
45 lines
1 KiB
Rust
#![allow(
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// Clippy bug: https://github.com/rust-lang/rust-clippy/issues/7422
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clippy::nonstandard_macro_braces,
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)]
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use anyhow::anyhow;
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use std::error::Error as StdError;
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use std::io;
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use thiserror::Error;
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#[derive(Error, Debug)]
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#[error("outer")]
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struct MyError {
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source: io::Error,
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}
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#[test]
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fn test_boxed_str() {
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let error = Box::<dyn StdError + Send + Sync>::from("oh no!");
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let error = anyhow!(error);
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assert_eq!("oh no!", error.to_string());
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assert_eq!(
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"oh no!",
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error
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.downcast_ref::<Box<dyn StdError + Send + Sync>>()
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.unwrap()
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.to_string()
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);
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}
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#[test]
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fn test_boxed_thiserror() {
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let error = MyError {
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source: io::Error::new(io::ErrorKind::Other, "oh no!"),
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};
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let error = anyhow!(error);
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assert_eq!("oh no!", error.source().unwrap().to_string());
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}
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#[test]
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fn test_boxed_anyhow() {
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let error = anyhow!("oh no!").context("it failed");
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let error = anyhow!(error);
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assert_eq!("oh no!", error.source().unwrap().to_string());
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}
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