diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/transmutability/arrays/should_have_correct_length.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 'src/test/ui/transmutability/arrays/should_have_correct_length.rs')
-rw-r--r-- | src/test/ui/transmutability/arrays/should_have_correct_length.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/transmutability/arrays/should_have_correct_length.rs b/src/test/ui/transmutability/arrays/should_have_correct_length.rs new file mode 100644 index 000000000..bfe6d830a --- /dev/null +++ b/src/test/ui/transmutability/arrays/should_have_correct_length.rs @@ -0,0 +1,44 @@ +// check-pass +//! An array must have the correct length. + +#![crate_type = "lib"] +#![feature(transmutability)] +#![allow(dead_code, incomplete_features, non_camel_case_types)] + +mod assert { + use std::mem::BikeshedIntrinsicFrom; + pub struct Context; + + pub fn is_maybe_transmutable<Src, Dst>() + where + Dst: BikeshedIntrinsicFrom<Src, Context, true, true, true, true> + {} +} + +fn should_have_len_0() { + type Array = [u8; 0]; + #[repr(C)] struct Struct(); + assert::is_maybe_transmutable::<Array, Struct>(); + assert::is_maybe_transmutable::<Struct, Array>(); +} + +fn should_have_len_1() { + type Array = [u8; 1]; + #[repr(C)] struct Struct(u8); + assert::is_maybe_transmutable::<Array, Struct>(); + assert::is_maybe_transmutable::<Struct, Array>(); +} + +fn should_have_len_2() { + type Array = [u8; 2]; + #[repr(C)] struct Struct(u8, u8); + assert::is_maybe_transmutable::<Array, Struct>(); + assert::is_maybe_transmutable::<Struct, Array>(); +} + +fn should_have_len_3() { + type Array = [u8; 3]; + #[repr(C)] struct Struct(u8, u8, u8); + assert::is_maybe_transmutable::<Array, Struct>(); + assert::is_maybe_transmutable::<Struct, Array>(); +} |