diff options
Diffstat (limited to 'src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs')
-rw-r--r-- | src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs b/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs new file mode 100644 index 000000000..bd36748e7 --- /dev/null +++ b/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs @@ -0,0 +1,40 @@ +//! The implementation must behave well if const values of wrong types are +//! provided. + +#![crate_type = "lib"] +#![feature(transmutability)] +#![allow(dead_code, incomplete_features, non_camel_case_types)] + +mod assert { + use std::mem::BikeshedIntrinsicFrom; + + pub fn is_transmutable< + Src, + Dst, + Context, + const ASSUME_ALIGNMENT: bool, + const ASSUME_LIFETIMES: bool, + const ASSUME_VALIDITY: bool, + const ASSUME_VISIBILITY: bool, + >() + where + Dst: BikeshedIntrinsicFrom< + Src, + Context, + ASSUME_ALIGNMENT, + ASSUME_LIFETIMES, + ASSUME_VALIDITY, + ASSUME_VISIBILITY, + >, + {} +} + +fn test() { + struct Context; + #[repr(C)] struct Src; + #[repr(C)] struct Dst; + assert::is_transmutable::<Src, Dst, Context, {0u8}, false, false, false>(); //~ ERROR mismatched types + assert::is_transmutable::<Src, Dst, Context, false, {0u8}, false, false>(); //~ ERROR mismatched types + assert::is_transmutable::<Src, Dst, Context, false, false, {0u8}, false>(); //~ ERROR mismatched types + assert::is_transmutable::<Src, Dst, Context, false, false, false, {0u8}>(); //~ ERROR mismatched types +} |