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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/structs-enums/enum-discrim-width-stuff.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/structs-enums/enum-discrim-width-stuff.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/structs-enums/enum-discrim-width-stuff.rs b/src/test/ui/structs-enums/enum-discrim-width-stuff.rs new file mode 100644 index 000000000..f278ae2d0 --- /dev/null +++ b/src/test/ui/structs-enums/enum-discrim-width-stuff.rs @@ -0,0 +1,44 @@ +// run-pass +#![allow(overflowing_literals)] +#![allow(dead_code)] + +macro_rules! check { + ($m:ident, $t:ty, $v:expr) => {{ + mod $m { + use std::mem::size_of; + #[derive(Copy, Clone, Debug)] + enum E { + V = $v, + A = 0 + } + static C: E = E::V; + pub fn check() { + assert_eq!(size_of::<E>(), size_of::<$t>()); + assert_eq!(E::V as $t, $v as $t); + assert_eq!(C as $t, $v as $t); + assert_eq!(format!("{:?}", E::V), "V".to_string()); + assert_eq!(format!("{:?}", C), "V".to_string()); + } + } + $m::check(); + }} +} + +pub fn main() { + check!(a, u8, 0x17); + check!(b, u8, 0xe8); + check!(c, u16, 0x1727); + check!(d, u16, 0xe8d8); + check!(e, u32, 0x17273747); + check!(f, u32, 0xe8d8c8b8); + + check!(z, i8, 0x17); + check!(y, i8, -0x17); + check!(x, i16, 0x1727); + check!(w, i16, -0x1727); + check!(v, i32, 0x17273747); + check!(u, i32, -0x17273747); + + enum Simple { A, B } + assert_eq!(::std::mem::size_of::<Simple>(), 1); +} |