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test: Add stream::delay test code

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This commit is contained in:
k-nasa 2019-11-27 14:26:25 +09:00
parent 635c592950
commit 32765ece41
1 changed files with 5 additions and 9 deletions
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14
src/stream/stream/mod.rs
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@ -587,16 +587,12 @@ extension_trait! {
use async_std::stream;
use std::time::Duration;
let a = stream::once(1).delay(Duration::from_millis(200));
let b = stream::once(2).delay(Duration::from_millis(100));
let c = stream::once(3).delay(Duration::from_millis(300));
let mut s = stream::from_iter(vec![0u8, 1, 2]).delay(Duration::from_millis(200));
let s = stream::join!(a, b, c);
assert_eq!(stream.next().await, Some(1));
assert_eq!(stream.next().await, Some(2));
assert_eq!(stream.next().await, Some(3));
assert_eq!(stream.next().await, None);
assert_eq!(s.next().await, Some(0));
assert_eq!(s.next().await, Some(1));
assert_eq!(s.next().await, Some(2));
assert_eq!(s.next().await, None);
#
# }) }
```