rust/tests/run-pass/call_drop_through_owned_slice.rs
2018-10-11 11:24:22 +02:00

20 lines
434 B
Rust

// FIXME validation disabled because ptr::read uses mem::uninitialized
// compile-flags: -Zmiri-disable-validation
struct Bar;
static mut DROP_COUNT: usize = 0;
impl Drop for Bar {
fn drop(&mut self) {
unsafe { DROP_COUNT += 1; }
}
}
fn main() {
let b: Box<[Bar]> = vec![Bar, Bar, Bar, Bar].into_boxed_slice();
assert_eq!(unsafe { DROP_COUNT }, 0);
drop(b);
assert_eq!(unsafe { DROP_COUNT }, 4);
}