summaryrefslogtreecommitdiff
path: root/tests/expectations/tests/union-in-ns.rs
blob: 28e7fa23346c43a53825ac5afd71882e4e8642ed (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
#![allow(
    dead_code,
    non_snake_case,
    non_camel_case_types,
    non_upper_case_globals
)]

#[allow(non_snake_case, non_camel_case_types, non_upper_case_globals)]
pub mod root {
    #[allow(unused_imports)]
    use self::super::root;
    #[repr(C)]
    #[derive(Copy, Clone)]
    pub union bar {
        pub baz: ::std::os::raw::c_int,
    }
    #[test]
    fn bindgen_test_layout_bar() {
        assert_eq!(
            ::std::mem::size_of::<bar>(),
            4usize,
            concat!("Size of: ", stringify!(bar))
        );
        assert_eq!(
            ::std::mem::align_of::<bar>(),
            4usize,
            concat!("Alignment of ", stringify!(bar))
        );
        fn test_field_baz() {
            assert_eq!(
                unsafe {
                    let uninit = ::std::mem::MaybeUninit::<bar>::uninit();
                    let ptr = uninit.as_ptr();
                    ::std::ptr::addr_of!((*ptr).baz) as usize - ptr as usize
                },
                0usize,
                concat!(
                    "Offset of field: ",
                    stringify!(bar),
                    "::",
                    stringify!(baz)
                )
            );
        }
        test_field_baz();
    }
    impl Default for bar {
        fn default() -> Self {
            let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
            unsafe {
                ::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
                s.assume_init()
            }
        }
    }
}