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write frames in big endian for QUIC 39

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This commit is contained in:
Marten Seemann
2017-08-04 09:53:25 +07:00
parent dd0daaaf1e
commit 843764aea3
18 changed files with 2088 additions and 1003 deletions
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78
frames/window_update_frame_test.go
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@@ -10,17 +10,39 @@ import (
var _ = Describe("WindowUpdateFrame", func() {
Context("when parsing", func() {
It("accepts sample frame", func() {
b := bytes.NewReader([]byte{0x04, 0xEF, 0xBE, 0xAD, 0xDE, 0x44, 0x33, 0x22, 0x11, 0xAD, 0xFB, 0xCA, 0xDE})
frame, err := ParseWindowUpdateFrame(b, protocol.VersionWhatever)
Expect(err).ToNot(HaveOccurred())
Expect(frame.StreamID).To(Equal(protocol.StreamID(0xDEADBEEF)))
Expect(frame.ByteOffset).To(Equal(protocol.ByteCount(0xDECAFBAD11223344)))
Expect(b.Len()).To(Equal(0))
Context("in little endian", func() {
It("accepts sample frame", func() {
b := bytes.NewReader([]byte{0x4,
0xef, 0xbe, 0xad, 0xde, // stream id
0x44, 0x33, 0x22, 0x11, 0xad, 0xfb, 0xca, 0xde, // byte offset
})
frame, err := ParseWindowUpdateFrame(b, versionLittleEndian)
Expect(err).ToNot(HaveOccurred())
Expect(frame.StreamID).To(Equal(protocol.StreamID(0xdeadbeef)))
Expect(frame.ByteOffset).To(Equal(protocol.ByteCount(0xdecafbad11223344)))
Expect(b.Len()).To(BeZero())
})
})
Context("in big endian", func() {
It("accepts sample frame", func() {
b := bytes.NewReader([]byte{0x4,
0xde, 0xad, 0xbe, 0xef, // stream id
0xde, 0xca, 0xfb, 0xad, 0x11, 0x22, 0x33, 0x44, // byte offset
})
frame, err := ParseWindowUpdateFrame(b, versionBigEndian)
Expect(err).ToNot(HaveOccurred())
Expect(frame.StreamID).To(Equal(protocol.StreamID(0xdeadbeef)))
Expect(frame.ByteOffset).To(Equal(protocol.ByteCount(0xdecafbad11223344)))
Expect(b.Len()).To(BeZero())
})
})
It("errors on EOFs", func() {
data := []byte{0x04, 0xEF, 0xBE, 0xAD, 0xDE, 0x44, 0x33, 0x22, 0x11, 0xAD, 0xFB, 0xCA, 0xDE}
data := []byte{0x4,
0xef, 0xbe, 0xad, 0xde, // stream id
0x44, 0x33, 0x22, 0x11, 0xad, 0xfb, 0xca, 0xde, // byte offset
}
_, err := ParseWindowUpdateFrame(bytes.NewReader(data), protocol.VersionWhatever)
Expect(err).NotTo(HaveOccurred())
for i := range data {
@@ -34,19 +56,41 @@ var _ = Describe("WindowUpdateFrame", func() {
It("has proper min length", func() {
f := &WindowUpdateFrame{
StreamID: 0x1337,
ByteOffset: 0xDEADBEEF,
ByteOffset: 0xdeadbeef,
}
Expect(f.MinLength(0)).To(Equal(protocol.ByteCount(13)))
})
It("writes a sample frame", func() {
b := &bytes.Buffer{}
f := &WindowUpdateFrame{
StreamID: 0xDECAFBAD,
ByteOffset: 0xDEADBEEFCAFE1337,
}
f.Write(b, 0)
Expect(b.Bytes()).To(Equal([]byte{0x04, 0xAD, 0xFB, 0xCA, 0xDE, 0x37, 0x13, 0xFE, 0xCA, 0xEF, 0xBE, 0xAD, 0xDE}))
Context("in little endian", func() {
It("writes a sample frame", func() {
b := &bytes.Buffer{}
f := &WindowUpdateFrame{
StreamID: 0xdecafbad,
ByteOffset: 0xdeadbeefcafe1337,
}
err := f.Write(b, versionLittleEndian)
Expect(err).ToNot(HaveOccurred())
Expect(b.Bytes()).To(Equal([]byte{0x4,
0xad, 0xfb, 0xca, 0xde, // stream id
0x37, 0x13, 0xfe, 0xca, 0xef, 0xbe, 0xad, 0xde, // byte offset
}))
})
})
Context("in big endian", func() {
It("writes a sample frame", func() {
b := &bytes.Buffer{}
f := &WindowUpdateFrame{
StreamID: 0xdecafbad,
ByteOffset: 0xdeadbeefcafe1337,
}
err := f.Write(b, versionBigEndian)
Expect(err).ToNot(HaveOccurred())
Expect(b.Bytes()).To(Equal([]byte{0x4,
0xde, 0xca, 0xfb, 0xad, // stream id
0xde, 0xad, 0xbe, 0xef, 0xca, 0xfe, 0x13, 0x37, // byte offset
}))
})
})
})
})