Move various ui const tests to library
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
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@ -45,3 +45,16 @@ fn test_from_cow_path() {
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let path = Path::new("hello");
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test_from_cow!(path: &Path);
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}
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#[test]
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fn cow_const() {
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// test that the methods of `Cow` are usable in a const context
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const COW: Cow<'_, str> = Cow::Borrowed("moo");
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const IS_BORROWED: bool = COW.is_borrowed();
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assert!(IS_BORROWED);
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const IS_OWNED: bool = COW.is_owned();
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assert!(!IS_OWNED);
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}
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@ -1,5 +1,6 @@
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#![feature(allocator_api)]
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#![feature(box_syntax)]
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#![feature(cow_is_borrowed)]
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#![feature(drain_filter)]
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#![feature(exact_size_is_empty)]
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#![feature(new_uninit)]
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@ -397,3 +397,14 @@ fn test_is_ascii_align_size_thoroughly() {
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}
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}
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}
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#[test]
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fn ascii_const() {
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// test that the `is_ascii` methods of `char` and `u8` are usable in a const context
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const CHAR_IS_ASCII: bool = 'a'.is_ascii();
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assert!(CHAR_IS_ASCII);
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const BYTE_IS_ASCII: bool = 97u8.is_ascii();
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assert!(BYTE_IS_ASCII);
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}
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@ -195,3 +195,20 @@ fn test_nonzero_from_int_on_err() {
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assert!(NonZeroI8::try_from(0).is_err());
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assert!(NonZeroI32::try_from(0).is_err());
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}
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#[test]
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fn nonzero_const() {
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// test that the methods of `NonZeroX>` are usable in a const context
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// Note: only tests NonZero8
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const NONZERO: NonZeroU8 = unsafe { NonZeroU8::new_unchecked(5) };
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const GET: u8 = NONZERO.get();
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assert_eq!(GET, 5);
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const ZERO: Option<NonZeroU8> = NonZeroU8::new(0);
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assert!(ZERO.is_none());
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const ONE: Option<NonZeroU8> = NonZeroU8::new(1);
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assert!(ONE.is_some());
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}
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@ -1,16 +0,0 @@
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// run-pass
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use std::num::NonZeroU8;
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const X: NonZeroU8 = unsafe { NonZeroU8::new_unchecked(5) };
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const Y: u8 = X.get();
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const ZERO: Option<NonZeroU8> = NonZeroU8::new(0);
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const ONE: Option<NonZeroU8> = NonZeroU8::new(1);
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fn main() {
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assert_eq!(Y, 5);
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assert!(ZERO.is_none());
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assert_eq!(ONE.unwrap().get(), 1);
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}
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@ -1,15 +0,0 @@
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// run-pass
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#![feature(cow_is_borrowed)]
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use std::borrow::Cow;
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fn main() {
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const COW: Cow<str> = Cow::Borrowed("moo");
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const IS_BORROWED: bool = COW.is_borrowed();
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assert!(IS_BORROWED);
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const IS_OWNED: bool = COW.is_owned();
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assert!(!IS_OWNED);
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}
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@ -1,15 +0,0 @@
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// run-pass
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static X: bool = 'a'.is_ascii();
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static Y: bool = 'ä'.is_ascii();
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static BX: bool = b'a'.is_ascii();
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static BY: bool = 192u8.is_ascii();
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fn main() {
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assert!(X);
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assert!(!Y);
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assert!(BX);
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assert!(!BY);
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}
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