1 files changed, 68 insertions, 0 deletions
diff --git a/vendor/github.com/miekg/dns/udp_linux_test.go b/vendor/github.com/miekg/dns/udp_linux_test.go
new file mode 100644
index 000000000..14a8acefd
--- /dev/null
+++ b/vendor/github.com/miekg/dns/udp_linux_test.go
@@ -0,0 +1,68 @@
+// +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)
+	}
+}