sent hashes measured

1 files changed, 8 insertions, 0 deletions

diff --git a/src/document/sync.rs b/src/document/sync.rs
index 179df78..7123138 100644
--- a/src/document/sync.rs
+++ b/src/document/sync.rs
@@ -615,6 +615,14 @@ impl SyncSession {
         hashes.len()
     }
 
+    /// How many changes count as sent to the peer (`sent_hashes`): kept until the peer's
+    /// message says it has them (Automerge), or forgotten when a send fails or its
+    /// answer is overdue.
+    #[cfg(test)]
+    pub(crate) fn sent_hashes_len(&self) -> usize {
+        self.state.sent_hashes.len()
+    }
+
     /// Of the changes in `doc` beyond `from`, how many the peer has too, as far as we
     /// know (its heads' history, and what went either way since, `sent_hashes`). A delta
     /// it offers from `from` brings those again: offered before it heard what we have