64 lines
1.8 KiB
Go
64 lines
1.8 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/utils"
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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("STREAM_BLOCKED frame", func() {
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Context("parsing", func() {
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It("accepts sample frame", func() {
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data := []byte{0x9}
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data = append(data, encodeVarInt(0xdeadbeef)...) // stream ID
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data = append(data, encodeVarInt(0xdecafbad)...) // offset
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b := bytes.NewReader(data)
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frame, err := ParseStreamBlockedFrame(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.Offset).To(Equal(protocol.ByteCount(0xdecafbad)))
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Expect(b.Len()).To(BeZero())
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})
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It("errors on EOFs", func() {
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data := []byte{0x9}
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data = append(data, encodeVarInt(0xdeadbeef)...)
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data = append(data, encodeVarInt(0xc0010ff)...)
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_, err := ParseStreamBlockedFrame(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 := ParseStreamBlockedFrame(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("writing", func() {
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It("has proper min length", func() {
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f := &StreamBlockedFrame{
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StreamID: 0x1337,
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Offset: 0xdeadbeef,
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}
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Expect(f.MinLength(0)).To(Equal(1 + utils.VarIntLen(0x1337) + utils.VarIntLen(0xdeadbeef)))
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})
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It("writes a sample frame", func() {
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b := &bytes.Buffer{}
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f := &StreamBlockedFrame{
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StreamID: 0xdecafbad,
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Offset: 0x1337,
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}
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err := f.Write(b, versionIETFFrames)
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Expect(err).ToNot(HaveOccurred())
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expected := []byte{0x9}
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expected = append(expected, encodeVarInt(uint64(f.StreamID))...)
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expected = append(expected, encodeVarInt(uint64(f.Offset))...)
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Expect(b.Bytes()).To(Equal(expected))
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})
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})
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})
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