From: Matt Corallo <git@bluematt.me>
Date: Mon, 25 Oct 2021 18:32:36 +0000 (+0000)
Subject: f test msg send rate limiting somewhat
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=4cbea8bef846e0fa220e1b650476896a386a57f7;p=rust-lightning

f test msg send rate limiting somewhat
---

diff --git a/lightning/src/ln/peer_handler.rs b/lightning/src/ln/peer_handler.rs
index 7215db8f6..709437052 100644
--- a/lightning/src/ln/peer_handler.rs
+++ b/lightning/src/ln/peer_handler.rs
@@ -1729,11 +1729,20 @@ mod tests {
 
 		// Make each peer to read the messages that the other peer just wrote to them. Note that
 		// due to the max-messagse-before-bing limits this may take a few iterations to complete.
-		for _ in 0..10 {
+		for _ in 0..150/super::BUFFER_DRAIN_MSGS_PER_TICK + 1 {
 			peers[0].process_events();
-			peers[1].read_event(&mut fd_b, &fd_a.outbound_data.lock().unwrap().split_off(0)).unwrap();
+			let b_read_data = fd_a.outbound_data.lock().unwrap().split_off(0);
+			assert!(!b_read_data.is_empty());
+
+			peers[1].read_event(&mut fd_b, &b_read_data).unwrap();
+			peers[1].process_events();
+
+			let a_read_data = fd_b.outbound_data.lock().unwrap().split_off(0);
+			assert!(!a_read_data.is_empty());
+			peers[0].read_event(&mut fd_a, &a_read_data).unwrap();
+
 			peers[1].process_events();
-			peers[0].read_event(&mut fd_a, &fd_b.outbound_data.lock().unwrap().split_off(0)).unwrap();
+			assert_eq!(fd_b.outbound_data.lock().unwrap().len(), 0, "Until B receives data, it shouldn't send more messages");
 		}
 
 		// Check that each peer has received the expected number of channel updates and channel