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improve public header tests

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This commit is contained in:
Lucas Clemente 2016-04-07 11:19:50 +02:00
parent cfccdaed9b
commit a29db728a3
1 changed files with 71 additions and 11 deletions
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82
public_header_test.go
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@ -2,22 +2,82 @@ package quic
import (
"bytes"
"encoding/binary"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Public Header", func() {
It("parses intial client header", func() {
b := bytes.NewReader([]byte{0xd, 0xf6, 0x19, 0x86, 0x66, 0x9b, 0x9f, 0xfa, 0x4c, 0x51, 0x30, 0x33, 0x30, 0x1})
publicHeader, err := ParsePublicHeader(b)
Expect(err).ToNot(HaveOccurred())
Expect(publicHeader.VersionFlag).To(BeTrue())
Expect(publicHeader.ResetFlag).To(BeFalse())
Expect(publicHeader.ConnectionIDLength).To(Equal(uint8(8)))
Expect(publicHeader.ConnectionID).ToNot(BeZero())
Expect(publicHeader.QuicVersion).To(Equal(uint32(0x51303330)))
Expect(publicHeader.PacketNumberLength).To(Equal(uint8(1)))
Expect(publicHeader.PacketNumber).To(Equal(uint64(1)))
Context("when parsing", func() {
It("accepts a sample client header", func() {
b := bytes.NewReader([]byte{0x0d, 0xf6, 0x19, 0x86, 0x66, 0x9b, 0x9f, 0xfa, 0x4c, 0x51, 0x30, 0x33, 0x30, 0x01})
publicHeader, err := ParsePublicHeader(b)
Expect(err).ToNot(HaveOccurred())
Expect(publicHeader.VersionFlag).To(BeTrue())
Expect(publicHeader.ResetFlag).To(BeFalse())
Expect(publicHeader.ConnectionIDLength).To(Equal(uint8(8)))
Expect(publicHeader.ConnectionID).To(Equal(uint64(0xf61986669b9ffa4c)))
Expect(publicHeader.QuicVersion).To(Equal(binary.BigEndian.Uint32([]byte("Q030"))))
Expect(publicHeader.PacketNumberLength).To(Equal(uint8(1)))
Expect(publicHeader.PacketNumber).To(Equal(uint64(1)))
Expect(b.Len()).To(BeZero())
})
It("accepts 4-byte connection IDs", func() {
b := bytes.NewReader([]byte{0x08, 0x9b, 0x9f, 0xfa, 0x4c, 0x01})
publicHeader, err := ParsePublicHeader(b)
Expect(err).ToNot(HaveOccurred())
Expect(publicHeader.VersionFlag).To(BeFalse())
Expect(publicHeader.ConnectionIDLength).To(Equal(uint8(4)))
Expect(publicHeader.ConnectionID).To(Equal(uint64(0x9b9ffa4c)))
Expect(b.Len()).To(BeZero())
})
It("accepts 1-byte connection IDs", func() {
b := bytes.NewReader([]byte{0x04, 0x4c, 0x01})
publicHeader, err := ParsePublicHeader(b)
Expect(err).ToNot(HaveOccurred())
Expect(publicHeader.VersionFlag).To(BeFalse())
Expect(publicHeader.ConnectionIDLength).To(Equal(uint8(1)))
Expect(publicHeader.ConnectionID).To(Equal(uint64(0x4c)))
Expect(b.Len()).To(BeZero())
})
It("accepts 0-byte connection ID", func() {
b := bytes.NewReader([]byte{0x00, 0x01})
publicHeader, err := ParsePublicHeader(b)
Expect(err).ToNot(HaveOccurred())
Expect(publicHeader.VersionFlag).To(BeFalse())
Expect(publicHeader.ConnectionIDLength).To(Equal(uint8(0)))
Expect(b.Len()).To(BeZero())
})
It("accepts 2-byte packet numbers", func() {
b := bytes.NewReader([]byte{0x10, 0xde, 0xca})
publicHeader, err := ParsePublicHeader(b)
Expect(err).ToNot(HaveOccurred())
Expect(publicHeader.PacketNumberLength).To(Equal(uint8(2)))
Expect(publicHeader.PacketNumber).To(Equal(uint64(0xdeca)))
Expect(b.Len()).To(BeZero())
})
It("accepts 4-byte packet numbers", func() {
b := bytes.NewReader([]byte{0x20, 0xde, 0xca, 0xfb, 0xad})
publicHeader, err := ParsePublicHeader(b)
Expect(err).ToNot(HaveOccurred())
Expect(publicHeader.PacketNumberLength).To(Equal(uint8(4)))
Expect(publicHeader.PacketNumber).To(Equal(uint64(0xdecafbad)))
Expect(b.Len()).To(BeZero())
})
It("accepts 6-byte packet numbers", func() {
b := bytes.NewReader([]byte{0x30, 0xde, 0xca, 0xfb, 0xad, 0x42, 0x23})
publicHeader, err := ParsePublicHeader(b)
Expect(err).ToNot(HaveOccurred())
Expect(publicHeader.PacketNumberLength).To(Equal(uint8(6)))
Expect(publicHeader.PacketNumber).To(Equal(uint64(0xdecafbad4223)))
Expect(b.Len()).To(BeZero())
})
})
})