Mirrors/rust-clippy
2
0
Fork 0
mirror of https://github.com/rust-lang/rust-clippy synced 2024-11-27 23:20:39 +00:00
Code Issues Projects Releases Packages Wiki Activity

test: add tests for 'unchecked_duration_subtraction' lint

Browse source
This commit is contained in:
Nadir Fejzic 2022-10-01 16:02:57 +02:00
parent 708c2d95c1
commit 3b4e42b91b
2 changed files with 48 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
tests/ui/unchecked_duration_subtraction.rs Normal file
View file

@ -0,0 +1,16 @@
#![warn(clippy::unchecked_duration_subtraction)]
use std::time::{Duration, Instant};
fn main() {
let _first = Instant::now();
let second = Duration::from_secs(3);
let _ = _first - second;
let _ = Instant::now() - Duration::from_secs(5);
let _ = _first - Duration::from_secs(5);
let _ = Instant::now() - second;
}

32
tests/ui/unchecked_duration_subtraction.stderr Normal file
View file

@ -0,0 +1,32 @@
[clippy_lints/src/unchecked_duration_subtraction.rs:75] def = std::time::Instant
error: unchecked subtraction of a 'Duration' from an 'Instant'
--> $DIR/unchecked_duration_subtraction.rs:9:13
|
LL | let _ = _first - second;
| ^^^^^^^^^^^^^^^ help: try: `_first.checked_sub(second).unwrap();`
|
= note: `-D clippy::unchecked-duration-subtraction` implied by `-D warnings`
[clippy_lints/src/unchecked_duration_subtraction.rs:75] def = std::time::Instant
error: unchecked subtraction of a 'Duration' from an 'Instant'
--> $DIR/unchecked_duration_subtraction.rs:11:13
|
LL | let _ = Instant::now() - Duration::from_secs(5);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Instant::now().checked_sub(Duration::from_secs(5)).unwrap();`
[clippy_lints/src/unchecked_duration_subtraction.rs:75] def = std::time::Instant
error: unchecked subtraction of a 'Duration' from an 'Instant'
--> $DIR/unchecked_duration_subtraction.rs:13:13
|
LL | let _ = _first - Duration::from_secs(5);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `_first.checked_sub(Duration::from_secs(5)).unwrap();`
[clippy_lints/src/unchecked_duration_subtraction.rs:75] def = std::time::Instant
error: unchecked subtraction of a 'Duration' from an 'Instant'
--> $DIR/unchecked_duration_subtraction.rs:15:13
|
LL | let _ = Instant::now() - second;
| ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Instant::now().checked_sub(second).unwrap();`
error: aborting due to 4 previous errors