func TestUnpackOptions(t *testing.T) {
var p tcp.Packet
var b packet.Buffer
b.Init(test_options)
err := p.Unpack(&b)
if err != nil {
t.Fatalf("Error unpacking: %s", err)
}
if len(p.Options) != 4 {
t.Fatalf("Options number mismatch: %d", len(p.Options))
}
if p.Options[0].Type != tcp.MSS {
t.Fatalf("Option MSS mismatch: %x", p.Options[0].Data)
}
if p.Options[1].Type != tcp.SAckOk {
t.Fatalf("Option SAckOk mismatch: %x", p.Options[1].Data)
}
if p.Options[2].Type != tcp.Timestamp {
t.Fatalf("Option Timestamp mismatch: %x", p.Options[2].Data)
}
if p.Options[3].Type != tcp.WindowScale {
t.Fatalf("Option WindowScale mismatch: %x", p.Options[3].Data)
}
}
func BenchmarkUnpack(bn *testing.B) {
var p tcp.Packet
var b packet.Buffer
for n := 0; n < bn.N; n++ {
b.Init(test_simple)
p.Unpack(&b)
}
}
func TestUnpack(t *testing.T) {
var p tcp.Packet
cmp := MakeTestSimple()
var b packet.Buffer
b.Init(test_simple)
err := p.Unpack(&b)
if err != nil {
t.Fatalf("Error unpacking: %s", err)
}
if !p.Equals(cmp) {
t.Fatalf("Packet mismatch:\n%s\n%s", &p, cmp)
}
}
func TestUnpackWithIPv4(t *testing.T) {
var p tcp.Packet
cmp := MakeTestSimple()
cmp.Checksum = 0xa64f
var b packet.Buffer
b.Init(test_with_ipv4)
err := p.Unpack(&b)
if err != nil {
t.Fatalf("Error unpacking: %s", err)
}
if !p.Equals(cmp) {
t.Fatalf("Packet mismatch:\n%s\n%s", &p, cmp)
}
}