test_convert.rs - mozsearch

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#![allow(clippy::unnecessary_wraps)]

mod drop;

use self::drop::{DetectDrop, Flag};

use anyhow::{Error, Result};

use std::error::Error as StdError;

#[test]

fn test_convert() {

    let has_dropped = Flag::new();

    let error = Error::new(DetectDrop::new(&has_dropped));

    let box_dyn = Box::<dyn StdError>::from(error);

    assert_eq!("oh no!", box_dyn.to_string());

    drop(box_dyn);

    assert!(has_dropped.get());

#[test]

fn test_convert_send() {

    let has_dropped = Flag::new();

    let error = Error::new(DetectDrop::new(&has_dropped));

    let box_dyn = Box::<dyn StdError + Send>::from(error);

    assert_eq!("oh no!", box_dyn.to_string());

    drop(box_dyn);

    assert!(has_dropped.get());

#[test]

fn test_convert_send_sync() {

    let has_dropped = Flag::new();

    let error = Error::new(DetectDrop::new(&has_dropped));

    let box_dyn = Box::<dyn StdError + Send + Sync>::from(error);

    assert_eq!("oh no!", box_dyn.to_string());

    drop(box_dyn);

    assert!(has_dropped.get());

#[test]

fn test_question_mark() -> Result<(), Box<dyn StdError>> {

    fn f() -> Result<()> {

        Ok(())

    f()?;

    Ok(())