mirror of
https://github.com/refraction-networking/uquic.git
synced 2025-04-04 12:47:36 +03:00
70 lines
2.3 KiB
Go
70 lines
2.3 KiB
Go
package wire
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import (
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"bytes"
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"github.com/lucas-clemente/quic-go/internal/protocol"
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"github.com/lucas-clemente/quic-go/internal/qerr"
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"github.com/lucas-clemente/quic-go/quicvarint"
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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("RESET_STREAM frame", func() {
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Context("when parsing", func() {
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It("accepts sample frame", func() {
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data := []byte{0x4}
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data = append(data, encodeVarInt(0xdeadbeef)...) // stream ID
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data = append(data, encodeVarInt(0x1337)...) // error code
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data = append(data, encodeVarInt(0x987654321)...) // byte offset
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b := bytes.NewReader(data)
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frame, err := parseResetStreamFrame(b, versionIETFFrames)
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Expect(err).ToNot(HaveOccurred())
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Expect(frame.StreamID).To(Equal(protocol.StreamID(0xdeadbeef)))
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Expect(frame.FinalSize).To(Equal(protocol.ByteCount(0x987654321)))
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Expect(frame.ErrorCode).To(Equal(qerr.StreamErrorCode(0x1337)))
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})
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It("errors on EOFs", func() {
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data := []byte{0x4}
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data = append(data, encodeVarInt(0xdeadbeef)...) // stream ID
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data = append(data, encodeVarInt(0x1337)...) // error code
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data = append(data, encodeVarInt(0x987654321)...) // byte offset
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_, err := parseResetStreamFrame(bytes.NewReader(data), versionIETFFrames)
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Expect(err).NotTo(HaveOccurred())
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for i := range data {
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_, err := parseResetStreamFrame(bytes.NewReader(data[0:i]), versionIETFFrames)
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Expect(err).To(HaveOccurred())
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}
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})
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})
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Context("when writing", func() {
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It("writes a sample frame", func() {
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frame := ResetStreamFrame{
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StreamID: 0x1337,
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FinalSize: 0x11223344decafbad,
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ErrorCode: 0xcafe,
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}
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b := &bytes.Buffer{}
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err := frame.Write(b, versionIETFFrames)
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Expect(err).ToNot(HaveOccurred())
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expected := []byte{0x4}
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expected = append(expected, encodeVarInt(0x1337)...)
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expected = append(expected, encodeVarInt(0xcafe)...)
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expected = append(expected, encodeVarInt(0x11223344decafbad)...)
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Expect(b.Bytes()).To(Equal(expected))
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})
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It("has the correct min length", func() {
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rst := ResetStreamFrame{
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StreamID: 0x1337,
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FinalSize: 0x1234567,
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ErrorCode: 0xde,
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}
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expectedLen := 1 + quicvarint.Len(0x1337) + quicvarint.Len(0x1234567) + 2
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Expect(rst.Length(versionIETFFrames)).To(Equal(expectedLen))
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})
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})
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})
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