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fix splitting of StreamFrames in PacketPacker

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This commit is contained in:
Marten Seemann 2016-04-27 10:09:54 +07:00
parent e4fc732d37
commit 3f6b228d07
2 changed files with 26 additions and 3 deletions
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23
packet_packer_test.go
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@ -136,6 +136,26 @@ var _ = Describe("Packet packer", func() {
Expect(len(payloadFrames)).To(Equal(0))
})
It("splits one stream frame larger than maximum size", func() {
maxStreamFrameDataLen := protocol.MaxFrameSize - (1 + 4 + 8 + 2)
f := frames.StreamFrame{
Data: bytes.Repeat([]byte{'f'}, maxStreamFrameDataLen+200),
Offset: 1,
}
packer.AddStreamFrame(f)
payloadFrames, err := packer.composeNextPacket([]frames.Frame{}, true)
Expect(err).ToNot(HaveOccurred())
Expect(len(payloadFrames)).To(Equal(1))
Expect(len(payloadFrames[0].(*frames.StreamFrame).Data)).To(Equal(maxStreamFrameDataLen))
payloadFrames, err = packer.composeNextPacket([]frames.Frame{}, true)
Expect(err).ToNot(HaveOccurred())
Expect(len(payloadFrames)).To(Equal(1))
Expect(len(payloadFrames[0].(*frames.StreamFrame).Data)).To(Equal(200))
payloadFrames, err = packer.composeNextPacket([]frames.Frame{}, true)
Expect(err).ToNot(HaveOccurred())
Expect(len(payloadFrames)).To(Equal(0))
})
It("packs 2 stream frames that are too big for one packet correctly", func() {
maxStreamFrameDataLen := protocol.MaxFrameSize - (1 + 4 + 8 + 2)
f1 := frames.StreamFrame{
@ -157,6 +177,9 @@ var _ = Describe("Packet packer", func() {
p, err = packer.PackPacket([]frames.Frame{}, true)
Expect(err).ToNot(HaveOccurred())
Expect(p).ToNot(BeNil())
p, err = packer.PackPacket([]frames.Frame{}, true)
Expect(err).ToNot(HaveOccurred())
Expect(p).To(BeNil())
})
It("packs a packet that has the maximum packet size when given a large enough stream frame", func() {