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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/consts/const-eval/strlen.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'tests/ui/consts/const-eval/strlen.rs')
| -rw-r--r-- | tests/ui/consts/const-eval/strlen.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/consts/const-eval/strlen.rs b/tests/ui/consts/const-eval/strlen.rs new file mode 100644 index 00000000000..7b14a523543 --- /dev/null +++ b/tests/ui/consts/const-eval/strlen.rs @@ -0,0 +1,31 @@ +// run-pass + +const S: &str = "foo"; +pub const B: &[u8] = S.as_bytes(); +pub const C: usize = B.len(); +pub const D: bool = B.is_empty(); +pub const E: bool = S.is_empty(); +pub const F: usize = S.len(); + +pub fn foo() -> [u8; S.len()] { + let mut buf = [0; S.len()]; + for (i, &c) in S.as_bytes().iter().enumerate() { + buf[i] = c; + } + buf +} + +fn main() { + assert_eq!(&foo()[..], b"foo"); + assert_eq!(foo().len(), S.len()); + const LEN: usize = S.len(); + assert_eq!(LEN, S.len()); + assert_eq!(B, foo()); + assert_eq!(B, b"foo"); + assert_eq!(C, 3); + assert_eq!(F, 3); + assert!(!D); + assert!(!E); + const EMPTY: bool = "".is_empty(); + assert!(EMPTY); +} |
