Fix buffer-scoped event delivery

1 files changed, 6 insertions, 1 deletions

diff --git a/lua/clever_f/testing/memory_host.lua b/lua/clever_f/testing/memory_host.lua
index 8d92697..4c95721 100644
--- a/lua/clever_f/testing/memory_host.lua
+++ b/lua/clever_f/testing/memory_host.lua
@@ -909,9 +909,14 @@ end
 function MemoryHost:_deliver_event_now(name, payload)
   self:_record("event", { name = name, payload = payload })
   local order = list_copy(self._event_registration_order)
+  local event_buffer = payload.buffer or self._buffer
   for _, identity in ipairs(order) do
     local registration = self._event_registrations[identity]
-    if registration.active and registration.name_set[name] then
+    local registration_buffer = registration.options.buffer
+    if registration.active
+      and registration.name_set[name]
+      and (registration_buffer == nil or registration_buffer == event_buffer)
+    then
       registration.callback(name, payload)
     end
   end