mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-31 04:57:19 +00:00
30 lines
839 B
Rust
30 lines
839 B
Rust
//@ run-pass
|
|
//@ reference: layout.aggregate.struct-size-align
|
|
//@ edition: 2018
|
|
|
|
#[repr(align(64))]
|
|
#[derive(Copy, Clone)]
|
|
#[allow(dead_code)]
|
|
pub struct Overaligned(u8);
|
|
|
|
#[allow(dead_code)]
|
|
struct ReprRustStruct {
|
|
x: i32,
|
|
y: [u32; 4],
|
|
z: f32,
|
|
a: u128,
|
|
b: Overaligned,
|
|
}
|
|
|
|
fn test_alignment_contains_all_fields() {
|
|
assert!(core::mem::align_of::<ReprRustStruct>() >= core::mem::align_of::<i32>());
|
|
assert!(core::mem::align_of::<ReprRustStruct>() >= core::mem::align_of::<[u32; 4]>());
|
|
assert!(core::mem::align_of::<ReprRustStruct>() >= core::mem::align_of::<f32>());
|
|
assert!(core::mem::align_of::<ReprRustStruct>() >= core::mem::align_of::<u128>());
|
|
assert!(core::mem::align_of::<ReprRustStruct>() >= core::mem::align_of::<Overaligned>());
|
|
}
|
|
|
|
fn main() {
|
|
test_alignment_contains_all_fields();
|
|
}
|