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reject inconsistent final stream offsets

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This commit is contained in:
Marten Seemann 2017-10-25 11:35:35 +07:00
parent 636bf4578c
commit d7a09e7667
2 changed files with 20 additions and 0 deletions
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15
internal/flowcontrol/stream_flow_controller_test.go
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@ -124,6 +124,21 @@ var _ = Describe("Stream Flow controller", func() {
err = controller.UpdateHighestReceived(250, false)
Expect(err).To(MatchError(qerr.StreamDataAfterTermination))
})
It("accepts duplicate final offsets", func() {
err := controller.UpdateHighestReceived(200, true)
Expect(err).ToNot(HaveOccurred())
err = controller.UpdateHighestReceived(200, true)
Expect(err).ToNot(HaveOccurred())
Expect(controller.highestReceived).To(Equal(protocol.ByteCount(200)))
})
It("errors when receiving inconsistent final offsets", func() {
err := controller.UpdateHighestReceived(200, true)
Expect(err).ToNot(HaveOccurred())
err = controller.UpdateHighestReceived(201, true)
Expect(err).To(MatchError("StreamDataAfterTermination: Received inconsistent final offset for stream 10 (old: 200, new: 201 bytes)"))
})
})
Context("registering data read", func() {