50 lines
781 B
Rust
50 lines
781 B
Rust
//@ run-pass
|
|
#![allow(dead_code)]
|
|
|
|
static mut DROP: isize = 0;
|
|
static mut DROP_S: isize = 0;
|
|
static mut DROP_T: isize = 0;
|
|
|
|
struct S;
|
|
impl Drop for S {
|
|
fn drop(&mut self) {
|
|
unsafe {
|
|
DROP_S += 1;
|
|
DROP += 1;
|
|
}
|
|
}
|
|
}
|
|
fn f(ref _s: S) {}
|
|
|
|
struct T { i: isize }
|
|
impl Drop for T {
|
|
fn drop(&mut self) {
|
|
unsafe {
|
|
DROP_T += 1;
|
|
DROP += 1;
|
|
}
|
|
}
|
|
}
|
|
fn g(ref _t: T) {}
|
|
|
|
fn do_test() {
|
|
let s = S;
|
|
f(s);
|
|
unsafe {
|
|
assert_eq!(1, DROP);
|
|
assert_eq!(1, DROP_S);
|
|
}
|
|
let t = T { i: 1 };
|
|
g(t);
|
|
unsafe { assert_eq!(1, DROP_T); }
|
|
}
|
|
|
|
fn main() {
|
|
do_test();
|
|
unsafe {
|
|
assert_eq!(2, DROP);
|
|
assert_eq!(1, DROP_S);
|
|
assert_eq!(1, DROP_T);
|
|
}
|
|
}
|