66 lines
2.1 KiB
Go
66 lines
2.1 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/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("legacy BLOCKED Frame", func() {
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Context("when parsing", func() {
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It("accepts sample frame for a stream", func() {
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b := bytes.NewReader([]byte{0x5, 0xde, 0xad, 0xbe, 0xef})
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f, err := ParseBlockedFrameLegacy(b, versionBigEndian)
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Expect(err).ToNot(HaveOccurred())
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Expect(f).To(BeAssignableToTypeOf(&StreamBlockedFrame{}))
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frame := f.(*StreamBlockedFrame)
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Expect(frame.StreamID).To(Equal(protocol.StreamID(0xdeadbeef)))
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})
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It("accepts sample frame for the connection", func() {
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b := bytes.NewReader([]byte{0x5, 0x0, 0x0, 0x0, 0x0})
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f, err := ParseBlockedFrameLegacy(b, versionBigEndian)
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Expect(err).ToNot(HaveOccurred())
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Expect(f).To(BeAssignableToTypeOf(&BlockedFrame{}))
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})
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})
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It("errors on EOFs", func() {
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data := []byte{0x5, 0xef, 0xbe, 0xad, 0xde}
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_, err := ParseBlockedFrameLegacy(bytes.NewReader(data), protocol.VersionWhatever)
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Expect(err).NotTo(HaveOccurred())
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for i := range data {
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_, err := ParseBlockedFrameLegacy(bytes.NewReader(data[0:i]), protocol.VersionWhatever)
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Expect(err).To(HaveOccurred())
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}
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})
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Context("when writing", func() {
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It("writes a BLOCKED frame for a stream", func() {
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b := &bytes.Buffer{}
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frame := StreamBlockedFrame{StreamID: 0x1337}
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frame.Write(b, versionBigEndian)
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Expect(b.Bytes()).To(Equal([]byte{0x5, 0x0, 0x0, 0x13, 0x37}))
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})
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It("has the correct min length for a BLOCKED frame for a stream", func() {
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frame := StreamBlockedFrame{StreamID: 3}
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Expect(frame.MinLength(versionBigEndian)).To(Equal(protocol.ByteCount(5)))
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})
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It("writes a BLOCKED frame for the connection", func() {
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b := &bytes.Buffer{}
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frame := BlockedFrame{}
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frame.Write(b, versionBigEndian)
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Expect(b.Bytes()).To(Equal([]byte{0x5, 0x0, 0x0, 0x0, 0x0}))
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})
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It("has the correct min length for a BLOCKED frame for the connection", func() {
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frame := BlockedFrame{}
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Expect(frame.MinLength(versionBigEndian)).To(Equal(protocol.ByteCount(5)))
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})
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})
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})
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