1 files changed, 6 insertions, 0 deletions
diff --git a/src/swarm/throughput.rs b/src/swarm/throughput.rs
index ec50693..c9bf7ee 100644
--- a/src/swarm/throughput.rs
+++ b/src/swarm/throughput.rs
@@ -130,6 +130,12 @@ impl ThroughputTable {
     pub(crate) fn retain(&mut self, mut keep: impl FnMut(&str) -> bool) {
         self.peers.retain(|peer, _| keep(peer));
     }
+
+    /// How many peers it holds an estimate of.
+    #[cfg(test)]
+    pub(crate) fn len(&self) -> usize {
+        self.peers.len()
+    }
 }
 
 #[cfg(test)]