remove unneeded function from the crypto stream interface

crypto_stream_test.go

@@ -0,0 +1,20 @@
+package quic
+
+import (
+	"github.com/lucas-clemente/quic-go/internal/protocol"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Stream", func() {
+	var str *cryptoStream
+
+	str = newCryptoStream(nil, nil, protocol.VersionWhatever).(*cryptoStream)
+
+	It("sets the read offset", func() {
+		str.SetReadOffset(0x42)
+		Expect(str.readOffset).To(Equal(protocol.ByteCount(0x42)))
+		Expect(str.frameQueue.readPosition).To(Equal(protocol.ByteCount(0x42)))
+	})
+})