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// +build linux,!appengine
package dns
import (
"bytes"
"net"
"testing"
)
func TestParseUDPSocketDst(t *testing.T) {
// dst is :ffff:100.100.100.100
oob := []byte{36, 0, 0, 0, 0, 0, 0, 0, 41, 0, 0, 0, 50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 100, 100, 100, 100, 2, 0, 0, 0}
dst, err := parseUDPSocketDst(oob)
if err != nil {
t.Fatalf("error parsing ipv6 oob: %v", err)
}
dst4 := dst.To4()
if dst4 == nil {
t.Errorf("failed to parse ipv4: %v", dst)
} else if dst4.String() != "100.100.100.100" {
t.Errorf("unexpected ipv4: %v", dst4)
}
// dst is 2001:db8::1
oob = []byte{36, 0, 0, 0, 0, 0, 0, 0, 41, 0, 0, 0, 50, 0, 0, 0, 32, 1, 13, 184, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0}
dst, err = parseUDPSocketDst(oob)
if err != nil {
t.Fatalf("error parsing ipv6 oob: %v", err)
}
dst6 := dst.To16()
if dst6 == nil {
t.Errorf("failed to parse ipv6: %v", dst)
} else if dst6.String() != "2001:db8::1" {
t.Errorf("unexpected ipv6: %v", dst4)
}
// dst is 100.100.100.100 but was received on 10.10.10.10
oob = []byte{28, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 2, 0, 0, 0, 10, 10, 10, 10, 100, 100, 100, 100, 0, 0, 0, 0}
dst, err = parseUDPSocketDst(oob)
if err != nil {
t.Fatalf("error parsing ipv4 oob: %v", err)
}
dst4 = dst.To4()
if dst4 == nil {
t.Errorf("failed to parse ipv4: %v", dst)
} else if dst4.String() != "100.100.100.100" {
t.Errorf("unexpected ipv4: %v", dst4)
}
}
func TestMarshalUDPSocketSrc(t *testing.T) {
// src is 100.100.100.100
exoob := []byte{28, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 100, 100, 100, 100, 0, 0, 0, 0, 0, 0, 0, 0}
oob := marshalUDPSocketSrc(net.ParseIP("100.100.100.100"))
if !bytes.Equal(exoob, oob) {
t.Errorf("expected ipv4 oob:\n%v", exoob)
t.Errorf("actual ipv4 oob:\n%v", oob)
}
// src is 2001:db8::1
exoob = []byte{36, 0, 0, 0, 0, 0, 0, 0, 41, 0, 0, 0, 50, 0, 0, 0, 32, 1, 13, 184, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0}
oob = marshalUDPSocketSrc(net.ParseIP("2001:db8::1"))
if !bytes.Equal(exoob, oob) {
t.Errorf("expected ipv6 oob:\n%v", exoob)
t.Errorf("actual ipv6 oob:\n%v", oob)
}
}
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