#[cfg(test)]
mod test {
use std::slice::from_raw_parts;
use std::mem::size_of;
#[repr(C)]
struct Buffer {
i1: u16,
i2: u16
}
#[test]
fn test_zero_copy() {
let b = Buffer {
i1: (10 as u16).to_be(),
i2: 11
};
let p: *const Buffer = &b;
let p: *const u8 = p as *const u8;
let bytes = unsafe { from_raw_parts(p,size_of::<Buffer>())};
println!("{:X}{:X}{:X}{:X}",bytes[0],bytes[1],bytes[2],bytes[3]);
let z: *const Buffer = p as *const Buffer;
let k: &Buffer = unsafe { &*z};
assert_eq!(k.i2,11);
assert_eq!(k.i1.to_be(),10);
}
}