diff --git a/tests/receivepartial.lua b/tests/receivepartial.lua
new file mode 100644
index 0000000..8c96ee1
--- /dev/null
+++ b/tests/receivepartial.lua
@@ -0,0 +1,77 @@
+
+--- Test for removeserver(skt, true)
+-- that keeps the socket open after removal.
+
+local copas = require("copas")
+local socket = require("socket")
+
+
+local status = "stopped"  -- stopped, stop, running
+
+local function start_server(data)
+  local server_skt = assert(socket.bind("*", 0))
+  local _, wport = assert(server_skt:getsockname())
+  wport = tonumber(wport)
+
+  local handler = function(cskt)
+    status = "running"
+
+    for i, command in ipairs(data) do
+      if type(command) == "number" then
+        copas.sleep(command)
+      else
+        cskt:send(command)
+      end
+      if status == "stop" then
+        status = "stopped"
+        break
+      end
+    end
+
+    -- stop server
+    status = "stopped"
+    cskt:close()
+    copas.removeserver(server_skt)
+  end
+
+  copas.addserver(server_skt, copas.handler(handler))
+
+  return wport
+end
+
+local function stop_server()
+  if status == "running" then
+    status = "stop"
+  end
+  while status ~= "stopped" do
+    copas.sleep(0.1)
+  end
+end
+
+local function run_test(data)
+  local port = start_server(data)
+  local cskt = copas.wrap(assert(socket.tcp()))
+  assert(cskt:connect("localhost", port))
+
+  local result = {}
+  local data, err, partial
+  while true do
+    data, err, partial = cskt:receivepartial("*a", partial)
+    print(data,err, partial)
+    result[#result + 1] = { data, err, partial }
+    if err == "closed" then
+      break
+    end
+  end
+
+  cskt:close()
+  stop_server()
+end
+
+
+copas(
+  function()
+    run_test({1, "hi 1", 1, "hi 2", 1, "hi 3"})
+  end
+)
+