mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Auto merge of #1287 - RalfJung:time-sub, r=RalfJung

Browse Source 
test subtracting SystemTime and Instant
This commit is contained in:
bors 2020-03-31 15:53:44 +00:00
commit 552775b593
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
tests/run-pass/time.rs
View File

@ -9,10 +9,22 @@ fn main() {
for _ in 0..10 { drop(vec![42]); }
let now2 = SystemTime::now();
assert!(now2 > now1);
let diff = now2.duration_since(now1).unwrap();
assert!(diff.as_micros() > 0);
assert_eq!(now1 + diff, now2);
assert_eq!(now2 - diff, now1);
let now1 = Instant::now();
// Do some work to make time pass.
for _ in 0..10 { drop(vec![42]); }
let now2 = Instant::now();
assert!(now2 > now1);
#[cfg(target_os = "linux")] // TODO: macOS does not support Instant subtraction
{
let diff = now2.duration_since(now1);
assert!(diff.as_micros() > 0);
assert_eq!(now1 + diff, now2);
assert_eq!(now2 - diff, now1);
}
}