From 4547b622d8d29df964fa2914213088b148c498fc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:32 +0200 Subject: Merging upstream version 1.67.1+dfsg1. Signed-off-by: Daniel Baumann --- library/core/tests/mem.rs | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'library/core/tests/mem.rs') diff --git a/library/core/tests/mem.rs b/library/core/tests/mem.rs index 0362e1c8a..1cfb4fd9f 100644 --- a/library/core/tests/mem.rs +++ b/library/core/tests/mem.rs @@ -1,4 +1,5 @@ use core::mem::*; +use core::ptr; #[cfg(panic = "unwind")] use std::rc::Rc; @@ -75,6 +76,25 @@ fn align_of_val_basic() { assert_eq!(align_of_val(&1u32), 4); } +#[test] +#[cfg(not(bootstrap))] // stage 0 doesn't have the fix yet, so the test fails +fn align_of_val_raw_packed() { + #[repr(C, packed)] + struct B { + f: [u32], + } + let storage = [0u8; 4]; + let b: *const B = ptr::from_raw_parts(storage.as_ptr().cast(), 1); + assert_eq!(unsafe { align_of_val_raw(b) }, 1); + + const ALIGN_OF_VAL_RAW: usize = { + let storage = [0u8; 4]; + let b: *const B = ptr::from_raw_parts(storage.as_ptr().cast(), 1); + unsafe { align_of_val_raw(b) } + }; + assert_eq!(ALIGN_OF_VAL_RAW, 1); +} + #[test] fn test_swap() { let mut x = 31337; -- cgit v1.2.3