63 lines
1.9 KiB
Go
63 lines
1.9 KiB
Go
package wire
|
|
|
|
import (
|
|
"bytes"
|
|
|
|
"github.com/lucas-clemente/quic-go/internal/protocol"
|
|
"github.com/lucas-clemente/quic-go/internal/utils"
|
|
. "github.com/onsi/ginkgo"
|
|
. "github.com/onsi/gomega"
|
|
)
|
|
|
|
var _ = Describe("MAX_STREAM_DATA frame", func() {
|
|
Context("parsing", func() {
|
|
It("accepts sample frame", func() {
|
|
data := []byte{0x5}
|
|
data = append(data, encodeVarInt(0xdeadbeef)...) // Stream ID
|
|
data = append(data, encodeVarInt(0x12345678)...) // Offset
|
|
b := bytes.NewReader(data)
|
|
frame, err := ParseMaxStreamDataFrame(b, versionIETFFrames)
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(frame.StreamID).To(Equal(protocol.StreamID(0xdeadbeef)))
|
|
Expect(frame.ByteOffset).To(Equal(protocol.ByteCount(0x12345678)))
|
|
Expect(b.Len()).To(BeZero())
|
|
})
|
|
|
|
It("errors on EOFs", func() {
|
|
data := []byte{0x5}
|
|
data = append(data, encodeVarInt(0xdeadbeef)...) // Stream ID
|
|
data = append(data, encodeVarInt(0x12345678)...) // Offset
|
|
_, err := ParseMaxStreamDataFrame(bytes.NewReader(data), versionIETFFrames)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
for i := range data {
|
|
_, err := ParseMaxStreamDataFrame(bytes.NewReader(data[0:i]), versionIETFFrames)
|
|
Expect(err).To(HaveOccurred())
|
|
}
|
|
})
|
|
})
|
|
|
|
Context("writing", func() {
|
|
It("has proper min length", func() {
|
|
f := &MaxStreamDataFrame{
|
|
StreamID: 0x1337,
|
|
ByteOffset: 0xdeadbeef,
|
|
}
|
|
Expect(f.MinLength(protocol.VersionWhatever)).To(Equal(1 + utils.VarIntLen(uint64(f.StreamID)) + utils.VarIntLen(uint64(f.ByteOffset))))
|
|
})
|
|
|
|
It("writes a sample frame", func() {
|
|
b := &bytes.Buffer{}
|
|
f := &MaxStreamDataFrame{
|
|
StreamID: 0xdecafbad,
|
|
ByteOffset: 0xdeadbeefcafe42,
|
|
}
|
|
expected := []byte{0x5}
|
|
expected = append(expected, encodeVarInt(0xdecafbad)...)
|
|
expected = append(expected, encodeVarInt(0xdeadbeefcafe42)...)
|
|
err := f.Write(b, versionIETFFrames)
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(b.Bytes()).To(Equal(expected))
|
|
})
|
|
})
|
|
})
|