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|
package rtcp
import (
"errors"
"reflect"
"testing"
)
func TestFullIntraRequestUnmarshal(t *testing.T) {
for _, test := range []struct {
Name string
Data []byte
Want FullIntraRequest
WantError error
}{
{
Name: "valid",
Data: []byte{
// v=2, p=0, FMT=4, PSFB, len=3
0x84, 0xce, 0x00, 0x03,
// ssrc=0x0
0x00, 0x00, 0x00, 0x00,
// ssrc=0x4bc4fcb4
0x4b, 0xc4, 0xfc, 0xb4,
// ssrc=0x12345678
0x12, 0x34, 0x56, 0x78,
// Seqno=0x42
0x42, 0x00, 0x00, 0x00,
},
Want: FullIntraRequest{
SenderSSRC: 0x0,
MediaSSRC: 0x4bc4fcb4,
FIR: []FIREntry{
{
SSRC: 0x12345678,
SequenceNumber: 0x42,
},
},
},
},
{
Name: "also valid",
Data: []byte{
// v=2, p=0, FMT=4, PSFB, len=3
0x84, 0xce, 0x00, 0x05,
// ssrc=0x0
0x00, 0x00, 0x00, 0x00,
// ssrc=0x4bc4fcb4
0x4b, 0xc4, 0xfc, 0xb4,
// ssrc=0x12345678
0x12, 0x34, 0x56, 0x78,
// Seqno=0x42
0x42, 0x00, 0x00, 0x00,
// ssrc=0x98765432
0x98, 0x76, 0x54, 0x32,
// Seqno=0x57
0x57, 0x00, 0x00, 0x00,
},
Want: FullIntraRequest{
SenderSSRC: 0x0,
MediaSSRC: 0x4bc4fcb4,
FIR: []FIREntry{
{
SSRC: 0x12345678,
SequenceNumber: 0x42,
},
{
SSRC: 0x98765432,
SequenceNumber: 0x57,
},
},
},
},
{
Name: "packet too short",
Data: []byte{
0x00, 0x00, 0x00, 0x00,
},
WantError: errPacketTooShort,
},
{
Name: "invalid header",
Data: []byte{
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
},
WantError: errBadVersion,
},
{
Name: "wrong type",
Data: []byte{
// v=2, p=0, FMT=4, RR, len=3
0x84, 0xc9, 0x00, 0x03,
// ssrc=0x0
0x00, 0x00, 0x00, 0x00,
// ssrc=0x4bc4fcb4
0x4b, 0xc4, 0xfc, 0xb4,
// ssrc=0x12345678
0x12, 0x34, 0x56, 0x78,
// Seqno=0x42
0x42, 0x00, 0x00, 0x00,
},
WantError: errWrongType,
},
{
Name: "wrong fmt",
Data: []byte{
// v=2, p=0, FMT=2, PSFB, len=3
0x82, 0xce, 0x00, 0x03,
// ssrc=0x0
0x00, 0x00, 0x00, 0x00,
// ssrc=0x4bc4fcb4
0x4b, 0xc4, 0xfc, 0xb4,
// ssrc=0x12345678
0x12, 0x34, 0x56, 0x78,
// Seqno=0x42
0x42, 0x00, 0x00, 0x00,
},
WantError: errWrongType,
},
} {
var fir FullIntraRequest
err := fir.Unmarshal(test.Data)
if got, want := err, test.WantError; !errors.Is(got, want) {
t.Fatalf("Unmarshal %q rr: err = %v, want %v", test.Name, got, want)
}
if err != nil {
continue
}
if got, want := fir, test.Want; !reflect.DeepEqual(got, want) {
t.Fatalf("Unmarshal %q rr: got %v, want %v", test.Name, got, want)
}
}
}
func TestFullIntraRequestRoundTrip(t *testing.T) {
for _, test := range []struct {
Name string
Packet FullIntraRequest
WantError error
}{
{
Name: "valid",
Packet: FullIntraRequest{
SenderSSRC: 1,
MediaSSRC: 2,
FIR: []FIREntry{{
SSRC: 3,
SequenceNumber: 42,
}},
},
},
{
Name: "also valid",
Packet: FullIntraRequest{
SenderSSRC: 5000,
MediaSSRC: 6000,
FIR: []FIREntry{{
SSRC: 3,
SequenceNumber: 57,
}},
},
},
} {
data, err := test.Packet.Marshal()
if got, want := err, test.WantError; !errors.Is(got, want) {
t.Fatalf("Marshal %q: err = %v, want %v", test.Name, got, want)
}
if err != nil {
continue
}
var decoded FullIntraRequest
if err := decoded.Unmarshal(data); err != nil {
t.Fatalf("Unmarshal %q: %v", test.Name, err)
}
if got, want := decoded, test.Packet; !reflect.DeepEqual(got, want) {
t.Fatalf("%q rr round trip: got %#v, want %#v", test.Name, got, want)
}
}
}
func TestFullIntraRequestUnmarshalHeader(t *testing.T) {
for _, test := range []struct {
Name string
Data []byte
Want Header
WantError error
}{
{
Name: "valid header",
Data: []byte{
// v=2, p=0, FMT=1, PSFB, len=1
0x84, 0xce, 0x00, 0x02,
// ssrc=0x0
0x00, 0x00, 0x00, 0x00,
// ssrc=0x4bc4fcb4
0x4b, 0xc4, 0xfc, 0xb4,
0x00, 0x00, 0x00, 0x00,
},
Want: Header{
Count: FormatFIR,
Type: TypePayloadSpecificFeedback,
Length: 2,
},
},
} {
var fir FullIntraRequest
err := fir.Unmarshal(test.Data)
if got, want := err, test.WantError; !errors.Is(got, want) {
t.Fatalf("Unmarshal header %q rr: err = %v, want %v", test.Name, got, want)
}
if err != nil {
continue
}
if got, want := fir.Header(), test.Want; !reflect.DeepEqual(got, want) {
t.Fatalf("Unmarshal header %q rr: got %v, want %v", test.Name, got, want)
}
}
}
|
