添加 github.com/pion/dtls 代码

dtls-2.0.9/pkg/protocol/extension/use_srtp_test.go

@@ -0,0 +1,20 @@
+package extension
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestExtensionUseSRTP(t *testing.T) {
+	rawUseSRTP := []byte{0x00, 0x0e, 0x00, 0x05, 0x00, 0x02, 0x00, 0x01, 0x00}
+	parsedUseSRTP := &UseSRTP{
+		ProtectionProfiles: []SRTPProtectionProfile{SRTP_AES128_CM_HMAC_SHA1_80},
+	}
+
+	raw, err := parsedUseSRTP.Marshal()
+	if err != nil {
+		t.Error(err)
+	} else if !reflect.DeepEqual(raw, rawUseSRTP) {
+		t.Errorf("extensionUseSRTP marshal: got %#v, want %#v", raw, rawUseSRTP)
+	}
+}