55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package wire
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import (
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"bytes"
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"io"
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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("BLOCKED 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{0x08}
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data = append(data, encodeVarInt(0x12345678)...)
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b := bytes.NewReader(data)
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frame, err := ParseBlockedFrame(b, versionIETFFrames)
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Expect(err).ToNot(HaveOccurred())
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Expect(frame.Offset).To(Equal(protocol.ByteCount(0x12345678)))
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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{0x08}
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data = append(data, encodeVarInt(0x12345678)...)
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_, err := ParseBlockedFrame(bytes.NewReader(data), versionIETFFrames)
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Expect(err).ToNot(HaveOccurred())
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for i := range data {
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_, err := ParseBlockedFrame(bytes.NewReader(data[:i]), versionIETFFrames)
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Expect(err).To(MatchError(io.EOF))
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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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b := &bytes.Buffer{}
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frame := BlockedFrame{Offset: 0xdeadbeef}
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err := frame.Write(b, protocol.VersionWhatever)
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Expect(err).ToNot(HaveOccurred())
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expected := []byte{0x08}
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expected = append(expected, encodeVarInt(0xdeadbeef)...)
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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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frame := BlockedFrame{Offset: 0x12345}
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Expect(frame.MinLength(versionIETFFrames)).To(Equal(1 + utils.VarIntLen(0x12345)))
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})
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})
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})
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