forked from quic-go/quic-go
53 lines
2.1 KiB
Go
53 lines
2.1 KiB
Go
package ackhandler
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import (
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"github.com/lucas-clemente/quic-go/protocol"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("AckHandler", func() {
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var handler *outgoingPacketAckHandler
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BeforeEach(func() {
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handler = NewOutgoingPacketAckHandler().(*outgoingPacketAckHandler)
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})
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Context("SentPacket", func() {
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It("accepts two consecutive packets", func() {
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packet1 := Packet{PacketNumber: 1, Plaintext: []byte{0x13, 0x37}, EntropyBit: true}
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packet2 := Packet{PacketNumber: 2, Plaintext: []byte{0xBE, 0xEF}, EntropyBit: false}
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err := handler.SentPacket(&packet1)
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Expect(err).ToNot(HaveOccurred())
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err = handler.SentPacket(&packet2)
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Expect(err).ToNot(HaveOccurred())
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Expect(handler.lastSentPacketNumber).To(Equal(protocol.PacketNumber(2)))
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Expect(handler.packetHistory).To(HaveKey(protocol.PacketNumber(1)))
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Expect(handler.packetHistory).To(HaveKey(protocol.PacketNumber(2)))
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})
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It("rejects packets with the same packet number", func() {
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packet1 := Packet{PacketNumber: 1, Plaintext: []byte{0x13, 0x37}, EntropyBit: true}
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packet2 := Packet{PacketNumber: 1, Plaintext: []byte{0xBE, 0xEF}, EntropyBit: false}
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err := handler.SentPacket(&packet1)
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Expect(err).ToNot(HaveOccurred())
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err = handler.SentPacket(&packet2)
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Expect(err).To(HaveOccurred())
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Expect(handler.lastSentPacketNumber).To(Equal(protocol.PacketNumber(1)))
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Expect(handler.packetHistory).To(HaveKey(protocol.PacketNumber(1)))
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})
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It("rejects non-consecutive packets", func() {
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packet1 := Packet{PacketNumber: 1, Plaintext: []byte{0x13, 0x37}, EntropyBit: true}
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packet2 := Packet{PacketNumber: 3, Plaintext: []byte{0xBE, 0xEF}, EntropyBit: false}
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err := handler.SentPacket(&packet1)
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Expect(err).ToNot(HaveOccurred())
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err = handler.SentPacket(&packet2)
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Expect(err).To(HaveOccurred())
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Expect(handler.lastSentPacketNumber).To(Equal(protocol.PacketNumber(1)))
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Expect(handler.packetHistory).To(HaveKey(protocol.PacketNumber(1)))
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Expect(handler.packetHistory).ToNot(HaveKey(protocol.PacketNumber(2)))
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Expect(handler.packetHistory).ToNot(HaveKey(protocol.PacketNumber(2)))
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})
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})
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})
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