diff options
Diffstat (limited to 'tests/ui/structs-enums/resource-in-struct.rs')
-rw-r--r-- | tests/ui/structs-enums/resource-in-struct.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/ui/structs-enums/resource-in-struct.rs b/tests/ui/structs-enums/resource-in-struct.rs new file mode 100644 index 000000000..9613ca62a --- /dev/null +++ b/tests/ui/structs-enums/resource-in-struct.rs @@ -0,0 +1,37 @@ +// run-pass +#![allow(non_camel_case_types)] + +// Ensures that class dtors run if the object is inside an enum +// variant + +use std::cell::Cell; + +type closable<'a> = &'a Cell<bool>; + +struct close_res<'a> { + i: closable<'a>, + +} + +impl<'a> Drop for close_res<'a> { + fn drop(&mut self) { + self.i.set(false); + } +} + +fn close_res(i: closable) -> close_res { + close_res { + i: i + } +} + +enum option<T> { none, some(#[allow(unused_tuple_struct_fields)] T), } + +fn sink(_res: option<close_res>) { } + +pub fn main() { + let c = &Cell::new(true); + sink(option::none); + sink(option::some(close_res(c))); + assert!(!c.get()); +} |