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=act #3680 fix SuspendReading being overruled by racy ChannelReadable

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This commit is contained in:
Johannes Rudolph 2013-10-21 15:33:31 +02:00
parent d2644876e5
commit 3da7f4ee07
2 changed files with 66 additions and 42 deletions
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15
akka-actor-tests/src/test/scala/akka/io/TcpConnectionSpec.scala
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@ -333,12 +333,25 @@ class TcpConnectionSpec extends AkkaSpec("""
"respect StopReading and ResumeReading" in new EstablishedConnectionTest() {
run {
serverSideChannel.write(ByteBuffer.wrap("testdata".getBytes("ASCII")))
connectionHandler.send(connectionActor, SuspendReading)
// the selector interprets StopReading to deregister interest for reading
// the selector interprets SuspendReading to deregister interest for reading
interestCallReceiver.expectMsg(-OP_READ)
// this simulates a race condition where ChannelReadable was already underway while
// processing SuspendReading
selector.send(connectionActor, ChannelReadable)
// this ChannelReadable should be properly ignored, even if data is already pending
interestCallReceiver.expectNoMsg(100.millis)
connectionHandler.expectNoMsg(100.millis)
connectionHandler.send(connectionActor, ResumeReading)
interestCallReceiver.expectMsg(OP_READ)
// data should be received only after ResumeReading
expectReceivedString("testdata")
}
}