bjoernager/rust
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Move various ui const tests to library

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Move:
 - `src\test\ui\consts\const-nonzero.rs` to `library\core`
 - `src\test\ui\consts\ascii.rs` to `library\core`
 - `src\test\ui\consts\cow-is-borrowed` to `library\alloc`

Part of #76268
This commit is contained in:
Christiaan Dirkx 2020-09-04 02:35:27 +02:00
parent 0d0f6b1130
commit 538e198193
7 changed files with 42 additions and 46 deletions
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17
library/core/tests/nonzero.rs
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@ -195,3 +195,20 @@ fn test_nonzero_from_int_on_err() {
assert!(NonZeroI8::try_from(0).is_err());
assert!(NonZeroI32::try_from(0).is_err());
}
#[test]
fn nonzero_const() {
// test that the methods of `NonZeroX>` are usable in a const context
// Note: only tests NonZero8
const NONZERO: NonZeroU8 = unsafe { NonZeroU8::new_unchecked(5) };
const GET: u8 = NONZERO.get();
assert_eq!(GET, 5);
const ZERO: Option<NonZeroU8> = NonZeroU8::new(0);
assert!(ZERO.is_none());
const ONE: Option<NonZeroU8> = NonZeroU8::new(1);
assert!(ONE.is_some());
}