rustc/vendor/anyhow-1.0.95/tests/test_repr.rs
2025-02-17 11:14:05 +01:00

31 lines
614 B
Rust

#![allow(clippy::extra_unused_type_parameters)]
mod drop;
use self::drop::{DetectDrop, Flag};
use anyhow::Error;
use std::mem;
#[test]
fn test_error_size() {
assert_eq!(mem::size_of::<Error>(), mem::size_of::<usize>());
}
#[test]
fn test_null_pointer_optimization() {
assert_eq!(mem::size_of::<Result<(), Error>>(), mem::size_of::<usize>());
}
#[test]
fn test_autotraits() {
fn assert<E: Unpin + Send + Sync + 'static>() {}
assert::<Error>();
}
#[test]
fn test_drop() {
let has_dropped = Flag::new();
drop(Error::new(DetectDrop::new(&has_dropped)));
assert!(has_dropped.get());
}