f test msg send rate limiting somewhat

diff --git a/lightning/src/ln/peer_handler.rs b/lightning/src/ln/peer_handler.rs
index 7215db8f6b57547b6c7156825504dba244c0380a..709437052db712d9aceca3ae82a6f8c2ead727b9 100644 (file)
--- 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