tests/expectations/tests/union-align.rs

#![allow(
    dead_code,
    non_snake_case,
    non_camel_case_types,
    non_upper_case_globals
)]

#[repr(C)]
#[repr(align(16))]
#[derive(Copy, Clone)]
pub union Bar {
    pub foo: ::std::os::raw::c_uchar,
}
#[test]
fn bindgen_test_layout_Bar() {
    assert_eq!(
        ::std::mem::size_of::<Bar>(),
        16usize,
        concat!("Size of: ", stringify!(Bar))
    );
    assert_eq!(
        ::std::mem::align_of::<Bar>(),
        16usize,
        concat!("Alignment of ", stringify!(Bar))
    );
    assert_eq!(
        unsafe { &(*(::std::ptr::null::<Bar>())).foo as *const _ as usize },
        0usize,
        concat!("Offset of field: ", stringify!(Bar), "::", stringify!(foo))
    );
}
impl Default for Bar {
    fn default() -> Self {
        unsafe {
            let mut s: Self = ::std::mem::uninitialized();
            ::std::ptr::write_bytes(&mut s, 0, 1);
            s
        }
    }
}
#[repr(C)]
#[repr(align(16))]
#[derive(Copy, Clone)]
pub union Baz {
    pub bar: Bar,
}
#[test]
fn bindgen_test_layout_Baz() {
    assert_eq!(
        ::std::mem::size_of::<Baz>(),
        16usize,
        concat!("Size of: ", stringify!(Baz))
    );
    assert_eq!(
        ::std::mem::align_of::<Baz>(),
        16usize,
        concat!("Alignment of ", stringify!(Baz))
    );
    assert_eq!(
        unsafe { &(*(::std::ptr::null::<Baz>())).bar as *const _ as usize },
        0usize,
        concat!("Offset of field: ", stringify!(Baz), "::", stringify!(bar))
    );
}
impl Default for Baz {
    fn default() -> Self {
        unsafe {
            let mut s: Self = ::std::mem::uninitialized();
            ::std::ptr::write_bytes(&mut s, 0, 1);
            s
        }
    }
}