mirror of https://github.com/smol-rs/polling
79 lines
1.9 KiB
Rust
79 lines
1.9 KiB
Rust
use std::io;
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use std::time::{Duration, Instant};
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use polling::Poller;
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#[test]
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fn below_ms() -> io::Result<()> {
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let poller = Poller::new()?;
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let mut events = Vec::new();
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let dur = Duration::from_micros(100);
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let margin = Duration::from_micros(500);
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let mut lowest = Duration::from_secs(1000);
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for _ in 0..1_000 {
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let now = Instant::now();
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let n = poller.wait(&mut events, Some(dur))?;
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let elapsed = now.elapsed();
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assert_eq!(n, 0);
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assert!(elapsed >= dur, "{:?} < {:?}", elapsed, dur);
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lowest = lowest.min(elapsed);
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}
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if cfg!(all(
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any(
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target_os = "linux",
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target_os = "android",
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target_os = "macos",
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target_os = "ios",
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target_os = "tvos",
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target_os = "watchos",
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target_os = "freebsd",
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),
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not(polling_test_poll_backend)
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)) {
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assert!(lowest < dur + margin);
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}
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Ok(())
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}
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#[test]
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fn above_ms() -> io::Result<()> {
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let poller = Poller::new()?;
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let mut events = Vec::new();
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let dur = Duration::from_micros(3_100);
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let margin = Duration::from_micros(500);
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let mut lowest = Duration::from_secs(1000);
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for _ in 0..1_000 {
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let now = Instant::now();
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let n = poller.wait(&mut events, Some(dur))?;
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let elapsed = now.elapsed();
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assert_eq!(n, 0);
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assert!(elapsed >= dur, "{:?} < {:?}", elapsed, dur);
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lowest = lowest.min(elapsed);
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}
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if cfg!(all(
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any(
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target_os = "linux",
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target_os = "android",
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target_os = "illumos",
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target_os = "solaris",
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target_os = "macos",
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target_os = "ios",
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target_os = "tvos",
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target_os = "watchos",
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target_os = "freebsd",
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),
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not(polling_test_poll_backend)
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)) {
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assert!(lowest < dur + margin);
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}
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Ok(())
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}
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