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Diffstat (limited to '')
-rw-r--r-- | library/std/src/sys/sgx/abi/usercalls/tests.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/library/std/src/sys/sgx/abi/usercalls/tests.rs b/library/std/src/sys/sgx/abi/usercalls/tests.rs new file mode 100644 index 000000000..cbf7d7d54 --- /dev/null +++ b/library/std/src/sys/sgx/abi/usercalls/tests.rs @@ -0,0 +1,30 @@ +use super::alloc::copy_to_userspace; +use super::alloc::User; + +#[test] +fn test_copy_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().offset(offset), size) }; + + // Verify copy + for byte in 0..size { + unsafe { + assert_eq!(*dst.as_ptr().offset(offset + byte as isize), src[byte as usize]); + } + } + } + } +} |