From f183df88e8ff4a475c16deb4225c37777e126736 Mon Sep 17 00:00:00 2001
From: Max Inden <mail@max-inden.de>
Date: Mon, 5 Aug 2024 13:25:27 +0200
Subject: [PATCH] Add test

---
 neqo-transport/src/pace.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/neqo-transport/src/pace.rs b/neqo-transport/src/pace.rs
index cf9e999efd..642a656da2 100644
--- a/neqo-transport/src/pace.rs
+++ b/neqo-transport/src/pace.rs
@@ -177,4 +177,18 @@ mod tests {
         p.spend(n, RTT, CWND, PACKET);
         assert_eq!(p.next(RTT, CWND), n);
     }
+
+    #[test]
+    fn send_immediately_below_granularity() {
+        const SHORT_RTT: Duration = Duration::from_millis(10);
+        let n = now();
+        let mut p = Pacer::new(true, n, PACKET, PACKET);
+        assert_eq!(p.next(SHORT_RTT, CWND), n);
+        p.spend(n, SHORT_RTT, CWND, PACKET);
+        assert_eq!(
+            p.next(SHORT_RTT, CWND),
+            n,
+            "Expect packet to be sent immediately, instead of being paced below timer granularity."
+        );
+    }
 }