[rustc.git] / src / test / ui / array-slice-vec / vec-slice-drop.rs

// run-pass

#![allow(non_camel_case_types)]

use std::cell::Cell;

// Make sure that destructors get run on slice literals
struct foo<'a> {
    x: &'a Cell<isize>,
}

impl<'a> Drop for foo<'a> {
    fn drop(&mut self) {
        self.x.set(self.x.get() + 1);
    }
}

fn foo(x: &Cell<isize>) -> foo {
    foo {
        x: x
    }
}

pub fn main() {
    let x = &Cell::new(0);
    {
        let l = &[foo(x)];
        assert_eq!(l[0].x.get(), 0);
    }
    assert_eq!(x.get(), 1);
}
Commit	Line	Data
b7449926 XL	1	// run-pass
	2
	3	#![allow(non_camel_case_types)]
	4
1a4d82fc JJ	5	use std::cell::Cell;
1a4d82fc JJ	6
223e47cc	7	// Make sure that destructors get run on slice literals
1a4d82fc	8	struct foo<'a> {
c34b1796	9	x: &'a Cell<isize>,
223e47cc LB	10	}
223e47cc LB	11
1a4d82fc JJ	12	impl<'a> Drop for foo<'a> {
	13	fn drop(&mut self) {
	14	self.x.set(self.x.get() + 1);
223e47cc LB	15	}
	16	}
	17
c34b1796	18	fn foo(x: &Cell<isize>) -> foo {
223e47cc LB	19	foo {
	20	x: x
	21	}
	22	}
	23
	24	pub fn main() {
1a4d82fc	25	let x = &Cell::new(0);
223e47cc LB	26	{
223e47cc LB	27	let l = &[foo(x)];
1a4d82fc	28	assert_eq!(l[0].x.get(), 0);
223e47cc	29	}
1a4d82fc	30	assert_eq!(x.get(), 1);
223e47cc	31	}