#[cfg(test)]
pub(crate) fn test_zeroize_on_drop<T: Sized>(value: &mut T) {
drop_manually(value);
test_zeroized(value);
}
#[cfg(test)]
pub(crate) fn test_zeroized<T: Sized>(value: &mut T) {
use std::{mem, slice, vec};
let test =
unsafe { slice::from_raw_parts(value as *const _ as *const u8, mem::size_of::<T>()) };
assert_eq!(test, vec![0; mem::size_of::<T>()]);
}
#[cfg(test)]
pub(crate) fn drop_manually<T: Sized>(value: &mut T) {
use std::{mem, ptr, vec};
assert!(mem::needs_drop::<T>());
let mut test_holder = vec![value];
let ptr = &mut *test_holder[0] as *mut T;
unsafe {
test_holder.set_len(0);
ptr::drop_in_place(ptr);
}
assert_eq!(test_holder.capacity(), 1);
}