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//@ 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);
}
}
|
