github.com/metacubex/quic-go@v0.44.1-0.20240520163451-20b689a59136/internal/wire/data_blocked_frame_test.go (about)

     1  package wire
     2  
     3  import (
     4  	"io"
     5  
     6  	"github.com/metacubex/quic-go/internal/protocol"
     7  	"github.com/metacubex/quic-go/quicvarint"
     8  
     9  	. "github.com/onsi/ginkgo/v2"
    10  	. "github.com/onsi/gomega"
    11  )
    12  
    13  var _ = Describe("DATA_BLOCKED frame", func() {
    14  	Context("when parsing", func() {
    15  		It("accepts sample frame", func() {
    16  			data := encodeVarInt(0x12345678)
    17  			frame, l, err := parseDataBlockedFrame(data, protocol.Version1)
    18  			Expect(err).ToNot(HaveOccurred())
    19  			Expect(frame.MaximumData).To(Equal(protocol.ByteCount(0x12345678)))
    20  			Expect(l).To(Equal(len(data)))
    21  		})
    22  
    23  		It("errors on EOFs", func() {
    24  			data := encodeVarInt(0x12345678)
    25  			_, l, err := parseDataBlockedFrame(data, protocol.Version1)
    26  			Expect(err).ToNot(HaveOccurred())
    27  			Expect(l).To(Equal(len(data)))
    28  			for i := range data {
    29  				_, _, err := parseDataBlockedFrame(data[:i], protocol.Version1)
    30  				Expect(err).To(MatchError(io.EOF))
    31  			}
    32  		})
    33  	})
    34  
    35  	Context("when writing", func() {
    36  		It("writes a sample frame", func() {
    37  			frame := DataBlockedFrame{MaximumData: 0xdeadbeef}
    38  			b, err := frame.Append(nil, protocol.Version1)
    39  			Expect(err).ToNot(HaveOccurred())
    40  			expected := []byte{dataBlockedFrameType}
    41  			expected = append(expected, encodeVarInt(0xdeadbeef)...)
    42  			Expect(b).To(Equal(expected))
    43  		})
    44  
    45  		It("has the correct min length", func() {
    46  			frame := DataBlockedFrame{MaximumData: 0x12345}
    47  			Expect(frame.Length(protocol.Version1)).To(BeEquivalentTo(1 + quicvarint.Len(0x12345)))
    48  		})
    49  	})
    50  })