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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/structs-enums/struct-order-of-eval-4.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/structs-enums/struct-order-of-eval-4.rs')
-rw-r--r-- | tests/ui/structs-enums/struct-order-of-eval-4.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/ui/structs-enums/struct-order-of-eval-4.rs b/tests/ui/structs-enums/struct-order-of-eval-4.rs new file mode 100644 index 000000000..547df6318 --- /dev/null +++ b/tests/ui/structs-enums/struct-order-of-eval-4.rs @@ -0,0 +1,34 @@ +// run-pass +// Checks that struct-literal expression order-of-eval is as expected +// even when no Drop-implementations are involved. + +use std::sync::atomic::{Ordering, AtomicUsize}; + +struct W { wrapped: u32 } +struct S { f0: W, _f1: i32 } + +pub fn main() { + const VAL: u32 = 0x89AB_CDEF; + let w = W { wrapped: VAL }; + let s = S { + _f1: { event(0x01); 23 }, + f0: { event(0x02); w }, + }; + assert_eq!(s.f0.wrapped, VAL); + let actual = event_log(); + let expect = 0x01_02; + assert!(expect == actual, + "expect: 0x{:x} actual: 0x{:x}", expect, actual); +} + +static LOG: AtomicUsize = AtomicUsize::new(0); + +fn event_log() -> usize { + LOG.load(Ordering::SeqCst) +} + +fn event(tag: u8) { + let old_log = LOG.load(Ordering::SeqCst); + let new_log = (old_log << 8) + tag as usize; + LOG.store(new_log, Ordering::SeqCst); +} |