From 9be35f82c1abf2ecbab489bca9eca138ea648312 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Sat, 27 Jul 2019 01:33:01 +0300 Subject: tests: Move run-pass tests without naming conflicts to ui --- .../packed/packed-struct-optimized-enum.rs | 36 ---------------------- 1 file changed, 36 deletions(-) delete mode 100644 src/test/run-pass/packed/packed-struct-optimized-enum.rs (limited to 'src/test/run-pass/packed/packed-struct-optimized-enum.rs') diff --git a/src/test/run-pass/packed/packed-struct-optimized-enum.rs b/src/test/run-pass/packed/packed-struct-optimized-enum.rs deleted file mode 100644 index 7ce62464ef0..00000000000 --- a/src/test/run-pass/packed/packed-struct-optimized-enum.rs +++ /dev/null @@ -1,36 +0,0 @@ -// run-pass -#[repr(packed)] -struct Packed(T); - -impl Copy for Packed {} -impl Clone for Packed { - fn clone(&self) -> Self { *self } -} - -fn sanity_check_size(one: T) { - let two = [one, one]; - let stride = (&two[1] as *const _ as usize) - (&two[0] as *const _ as usize); - let (size, align) = (std::mem::size_of::(), std::mem::align_of::()); - assert_eq!(stride, size); - assert_eq!(size % align, 0); -} - -fn main() { - // This can fail if rustc and LLVM disagree on the size of a type. - // In this case, `Option>` was erroneously not - // marked as packed despite needing alignment `1` and containing - // its `&()` discriminant, which has alignment larger than `1`. - sanity_check_size((Some(Packed((&(), 0))), true)); - - // In #46769, `Option<(Packed<&()>, bool)>` was found to have - // pointer alignment, without actually being aligned in size. - // e.g., on 64-bit platforms, it had alignment `8` but size `9`. - type PackedRefAndBool<'a> = (Packed<&'a ()>, bool); - sanity_check_size::>(Some((Packed(&()), true))); - - // Make sure we don't pay for the enum optimization in size, - // e.g., we shouldn't need extra padding after the packed data. - assert_eq!(std::mem::align_of::>(), 1); - assert_eq!(std::mem::size_of::>(), - std::mem::size_of::()); -} -- cgit 1.4.1-3-g733a5