tests/expectations/tests/derive-debug-opaque.rs

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

#[repr(C)]
#[repr(align(4))]
pub struct Opaque {
    pub _bindgen_opaque_blob: [u32; 41usize],
}
#[test]
fn bindgen_test_layout_Opaque() {
    assert_eq!(
        ::std::mem::size_of::<Opaque>(),
        164usize,
        concat!("Size of: ", stringify!(Opaque))
    );
    assert_eq!(
        ::std::mem::align_of::<Opaque>(),
        4usize,
        concat!("Alignment of ", stringify!(Opaque))
    );
}
impl Default for Opaque {
    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()
        }
    }
}
impl ::std::fmt::Debug for Opaque {
    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
        write!(f, "Opaque {{ opaque }}")
    }
}
#[repr(C)]
pub struct OpaqueUser {
    pub opaque: Opaque,
}
#[test]
fn bindgen_test_layout_OpaqueUser() {
    assert_eq!(
        ::std::mem::size_of::<OpaqueUser>(),
        164usize,
        concat!("Size of: ", stringify!(OpaqueUser))
    );
    assert_eq!(
        ::std::mem::align_of::<OpaqueUser>(),
        4usize,
        concat!("Alignment of ", stringify!(OpaqueUser))
    );
    assert_eq!(
        {
            let struct_instance = unsafe { std::mem::zeroed::<OpaqueUser>() };
            let struct_ptr = &struct_instance as *const OpaqueUser;
            let field_ptr = std::ptr::addr_of!(struct_instance.opaque);
            let struct_address = struct_ptr as usize;
            let field_address = field_ptr as usize;
            std::mem::forget(struct_instance);
            field_address.checked_sub(struct_address).unwrap()
        },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(OpaqueUser),
            "::",
            stringify!(opaque)
        )
    );
}
impl Default for OpaqueUser {
    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()
        }
    }
}
impl ::std::fmt::Debug for OpaqueUser {
    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
        write!(f, "OpaqueUser {{ opaque: {:?} }}", self.opaque)
    }
}