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https://github.com/pion/webrtc.git
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5849e549a7
* Add test for Packet marshal * Implement Packet, ChunkHeader, ChunkInitAck * Improve error messages, and de-dupe some comments
55 lines
2.3 KiB
Go
55 lines
2.3 KiB
Go
package sctp
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import (
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"bytes"
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"testing"
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"github.com/pkg/errors"
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)
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func TestPacketUnmarshal(t *testing.T) {
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pkt := &Packet{}
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if err := pkt.Unmarshal([]byte{}); err == nil {
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t.Errorf("Unmarshal should fail when a packet is too small to be SCTP")
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}
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headerOnly := []byte{0x13, 0x88, 0x13, 0x88, 0x00, 0x00, 0x00, 0x00, 0x06, 0xa9, 0x00, 0xe1}
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err := pkt.Unmarshal(headerOnly)
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if err != nil {
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t.Error(errors.Wrap(err, "Unmarshal failed for SCTP packet with no chunks"))
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} else if pkt.SourcePort != 5000 {
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t.Error(errors.Errorf("Unmarshal passed for SCTP packet, but got incorrect source port exp: %d act: %d", 5000, pkt.SourcePort))
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} else if pkt.DestinationPort != 5000 {
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t.Error(errors.Errorf("Unmarshal passed for SCTP packet, but got incorrect destination port exp: %d act: %d", 5000, pkt.DestinationPort))
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} else if pkt.VerificationTag != 0 {
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t.Error(errors.Errorf("Unmarshal passed for SCTP packet, but got incorrect verification tag exp: %d act: %d", 0, pkt.VerificationTag))
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}
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rawChunk := []byte{0x13, 0x88, 0x13, 0x88, 0x00, 0x00, 0x00, 0x00, 0x81, 0x46, 0x9d, 0xfc, 0x01, 0x00, 0x00, 0x56, 0x55,
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0xb9, 0x64, 0xa5, 0x00, 0x02, 0x00, 0x00, 0x04, 0x00, 0x08, 0x00, 0xe8, 0x6d, 0x10, 0x30, 0xc0, 0x00, 0x00, 0x04, 0x80,
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0x08, 0x00, 0x09, 0xc0, 0x0f, 0xc1, 0x80, 0x82, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x24, 0x9f, 0xeb, 0xbb, 0x5c, 0x50,
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0xc9, 0xbf, 0x75, 0x9c, 0xb1, 0x2c, 0x57, 0x4f, 0xa4, 0x5a, 0x51, 0xba, 0x60, 0x17, 0x78, 0x27, 0x94, 0x5c, 0x31, 0xe6,
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0x5d, 0x5b, 0x09, 0x47, 0xe2, 0x22, 0x06, 0x80, 0x04, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x80, 0x03, 0x00, 0x06, 0x80, 0xc1, 0x00, 0x00}
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if err := pkt.Unmarshal(rawChunk); err != nil {
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t.Error(errors.Wrap(err, "Unmarshal failed, has chunk"))
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}
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}
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func TestPacketMarshal(t *testing.T) {
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pkt := &Packet{}
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headerOnly := []byte{0x13, 0x88, 0x13, 0x88, 0x00, 0x00, 0x00, 0x00, 0x06, 0xa9, 0x00, 0xe1}
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if err := pkt.Unmarshal(headerOnly); err != nil {
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t.Error(errors.Wrap(err, "Unmarshal failed for SCTP packet with no chunks"))
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}
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headerOnlyMarshaled, err := pkt.Marshal()
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if err != nil {
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t.Error(errors.Wrap(err, "Marshal failed for SCTP packet with no chunks"))
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} else if !bytes.Equal(headerOnly, headerOnlyMarshaled) {
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t.Error(errors.Errorf("Unmarshal/Marshaled header only packet did not match \nheaderOnly: % 02x \nheaderOnlyMarshaled % 02x", headerOnly, headerOnlyMarshaled))
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}
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}
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