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Send ACKs and SWFs even if we are congestion limited

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Fixes #576.
This commit is contained in:
Lucas Clemente
2017-06-20 12:01:28 +02:00
committed by Lucas Clemente
parent fc8d937fce
commit ff8c75a22e
3 changed files with 52 additions and 1 deletions
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19
packet_packer_test.go
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@@ -2,6 +2,7 @@ package quic
import (
"bytes"
"math"
"github.com/lucas-clemente/quic-go/ackhandler"
"github.com/lucas-clemente/quic-go/frames"
@@ -703,4 +704,22 @@ var _ = Describe("Packet packer", func() {
Expect(err).To(MatchError("PacketPacker BUG: Handshake retransmissions must contain a StopWaitingFrame"))
})
})
Context("packing ACK packets", func() {
It("packs ACK packets", func() {
p, err := packer.PackAckPacket(0, &frames.AckFrame{})
Expect(err).NotTo(HaveOccurred())
Expect(p.frames).To(Equal([]frames.Frame{&frames.AckFrame{DelayTime: math.MaxInt64}}))
})
It("packs ACK packets with SWFs", func() {
packer.QueueControlFrameForNextPacket(&frames.StopWaitingFrame{})
p, err := packer.PackAckPacket(0, &frames.AckFrame{})
Expect(err).NotTo(HaveOccurred())
Expect(p.frames).To(Equal([]frames.Frame{
&frames.AckFrame{DelayTime: math.MaxInt64},
&frames.StopWaitingFrame{PacketNumber: 1, PacketNumberLen: 2},
}))
})
})
})