move akka-io project into akka-actor’s akka.io package

akka-actor-tests/src/test/scala/akka/io/CapacityLimitSpec.scala

@@ -0,0 +1,38 @@
+/**
+ * Copyright (C) 2009-2013 Typesafe Inc. <http://www.typesafe.com>
+ */
+
+package akka.io
+
+import akka.testkit.{ TestProbe, AkkaSpec }
+import Tcp._
+import TestUtils._
+
+class CapacityLimitSpec extends AkkaSpec("akka.loglevel = ERROR\nakka.io.tcp.max-channels = 4")
+  with IntegrationSpecSupport {
+
+  "The TCP transport implementation" should {
+
+    "reply with CommandFailed to a Bind or Connect command if max-channels capacity has been reached" in new TestSetup {
+      establishNewClientConnection()
+
+      // we now have three channels registered: a listener, a server connection and a client connection
+      // so register one more channel
+      val commander = TestProbe()
+      commander.send(IO(Tcp), Bind(bindHandler.ref, temporaryServerAddress()))
+      commander.expectMsg(Bound)
+
+      // we are now at the configured max-channel capacity of 4
+
+      val bindToFail = Bind(bindHandler.ref, temporaryServerAddress())
+      commander.send(IO(Tcp), bindToFail)
+      commander.expectMsgType[CommandFailed].cmd must be theSameInstanceAs (bindToFail)
+
+      val connectToFail = Connect(endpoint)
+      commander.send(IO(Tcp), connectToFail)
+      commander.expectMsgType[CommandFailed].cmd must be theSameInstanceAs (connectToFail)
+    }
+
+  }
+
+}