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use super::alloc::User;
use super::alloc::{copy_from_userspace, copy_to_userspace};
#[test]
fn test_copy_to_userspace_function() {
let mut src = [0u8; 100];
let mut dst = User::<[u8]>::uninitialized(100);
for i in 0..src.len() {
src[i] = i as _;
}
for size in 0..48 {
// For all possible alignment
for offset in 0..8 {
// overwrite complete dst
dst.copy_from_enclave(&[0u8; 100]);
// Copy src[0..size] to dst + offset
unsafe { copy_to_userspace(src.as_ptr(), dst.as_mut_ptr().add(offset), size) };
// Verify copy
for byte in 0..size {
unsafe {
assert_eq!(*dst.as_ptr().add(offset + byte), src[byte as usize]);
}
}
}
}
}
#[test]
fn test_copy_from_userspace_function() {
let mut dst = [0u8; 100];
let mut src = User::<[u8]>::uninitialized(100);
src.copy_from_enclave(&[0u8; 100]);
for size in 0..48 {
// For all possible alignment
for offset in 0..8 {
// overwrite complete dst
dst = [0u8; 100];
// Copy src[0..size] to dst + offset
unsafe { copy_from_userspace(src.as_ptr().offset(offset), dst.as_mut_ptr(), size) };
// Verify copy
for byte in 0..size {
unsafe {
assert_eq!(dst[byte as usize], *src.as_ptr().offset(offset + byte as isize));
}
}
}
}
}
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