summaryrefslogtreecommitdiffstats
path: root/src/test/ui/enum-discriminant/arbitrary_enum_discriminant.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /src/test/ui/enum-discriminant/arbitrary_enum_discriminant.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-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 'src/test/ui/enum-discriminant/arbitrary_enum_discriminant.rs')
-rw-r--r--src/test/ui/enum-discriminant/arbitrary_enum_discriminant.rs43
1 files changed, 0 insertions, 43 deletions
diff --git a/src/test/ui/enum-discriminant/arbitrary_enum_discriminant.rs b/src/test/ui/enum-discriminant/arbitrary_enum_discriminant.rs
deleted file mode 100644
index 83e74a6e6..000000000
--- a/src/test/ui/enum-discriminant/arbitrary_enum_discriminant.rs
+++ /dev/null
@@ -1,43 +0,0 @@
-// run-pass
-#![feature(test)]
-
-extern crate test;
-
-use test::black_box;
-
-#[allow(dead_code)]
-#[repr(u8)]
-enum Enum {
- Unit = 3,
- Tuple(u16) = 2,
- Struct {
- a: u8,
- b: u16,
- } = 1,
-}
-
-impl Enum {
- const unsafe fn tag(&self) -> u8 {
- *(self as *const Self as *const u8)
- }
-}
-
-fn main() {
- const UNIT: Enum = Enum::Unit;
- const TUPLE: Enum = Enum::Tuple(5);
- const STRUCT: Enum = Enum::Struct{a: 7, b: 11};
-
- // Ensure discriminants are correct during runtime execution
- assert_eq!(3, unsafe { black_box(UNIT).tag() });
- assert_eq!(2, unsafe { black_box(TUPLE).tag() });
- assert_eq!(1, unsafe { black_box(STRUCT).tag() });
-
- // Ensure discriminants are correct during CTFE
- const UNIT_TAG: u8 = unsafe { UNIT.tag() };
- const TUPLE_TAG: u8 = unsafe { TUPLE.tag() };
- const STRUCT_TAG: u8 = unsafe { STRUCT.tag() };
-
- assert_eq!(3, UNIT_TAG);
- assert_eq!(2, TUPLE_TAG);
- assert_eq!(1, STRUCT_TAG);
-}