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use super::*;
#[test]
fn stack_rooted() {
let _ = env_logger::try_init();
letroot!(root);
let ptr1 = root.gc(0xBADCAFE);
assert_eq!(*ptr1, 0xBADCAFE);
collect();
let ptr2 = ptr1;
assert_eq!(*ptr2, 0xBADCAFE);
}
#[test]
fn rerooting() {
let _ = env_logger::try_init();
{
letroot!(outer_root);
let ptr2 = {
letroot!(inner_root);
// It is in fact a pointer to the value
let ptr1 = inner_root.gc(0xBEEFDAD);
let addr1 = &*ptr1 as *const i32 as usize;
assert_eq!(*ptr1, 0xBEEFDAD);
// Running the collector does not collect it, because it is still alive
collect();
println!("here");
assert_eq!(*ptr1, 0xBEEFDAD);
// Create a second copy it
let ptr2 = outer_root.reroot(ptr1);
// Assert that they point to the same object
assert_eq!(*ptr2, 0xBEEFDAD);
let addr2 = &*ptr2 as *const i32 as usize;
assert_eq!(addr1, addr2);
ptr2
};
// Ensure that the object is still rooted and not collected
collect();
assert_eq!(*ptr2, 0xBEEFDAD);
}
// Ensure that it gets collected once all roots are gone
collect();
assert_eq!(raw::count_managed_objects(), 0);
}