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#![allow(
clippy::assertions_on_result_states,
clippy::eq_op,
clippy::items_after_statements,
clippy::needless_pass_by_value,
clippy::shadow_unrelated,
clippy::wildcard_imports
)]
mod common;
use self::common::*;
use anyhow::{anyhow, ensure};
use std::cell::Cell;
use std::future;
#[test]
fn test_messages() {
assert_eq!("oh no!", bail_literal().unwrap_err().to_string());
assert_eq!("oh no!", bail_fmt().unwrap_err().to_string());
assert_eq!("oh no!", bail_error().unwrap_err().to_string());
}
#[test]
fn test_ensure() {
let f = || {
ensure!(1 + 1 == 2, "This is correct");
Ok(())
};
assert!(f().is_ok());
let v = 1;
let f = || {
ensure!(v + v == 2, "This is correct, v: {}", v);
Ok(())
};
assert!(f().is_ok());
let f = || {
ensure!(v + v == 1, "This is not correct, v: {}", v);
Ok(())
};
assert!(f().is_err());
let f = || {
ensure!(v + v == 1);
Ok(())
};
assert_eq!(
f().unwrap_err().to_string(),
"Condition failed: `v + v == 1` (2 vs 1)",
);
}
#[test]
fn test_temporaries() {
fn require_send_sync(_: impl Send + Sync) {}
require_send_sync(async {
// If anyhow hasn't dropped any temporary format_args it creates by the
// time it's done evaluating, those will stick around until the
// semicolon, which is on the other side of the await point, making the
// enclosing future non-Send.
future::ready(anyhow!("...")).await;
});
fn message(cell: Cell<&str>) -> &str {
cell.get()
}
require_send_sync(async {
future::ready(anyhow!(message(Cell::new("...")))).await;
});
}
#[test]
fn test_brace_escape() {
let err = anyhow!("unterminated ${{..}} expression");
assert_eq!("unterminated ${..} expression", err.to_string());
}