File: unit-like-struct-drop-run.rs

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-2
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 934,168 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (24 lines) | stat: -rw-r--r-- 444 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
//@ run-pass
//@ needs-unwind
//@ needs-threads

// Make sure the destructor is run for unit-like structs.

use std::thread;

struct Foo;

impl Drop for Foo {
    fn drop(&mut self) {
        panic!("This panic should happen.");
    }
}

pub fn main() {
    let x = thread::spawn(move|| {
        let _b = Foo;
    }).join();

    let s = x.unwrap_err().downcast::<&'static str>().unwrap();
    assert_eq!(&**s, "This panic should happen.");
}