1 files changed, 68 insertions, 0 deletions
diff --git a/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/issue_test.go b/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/issue_test.go
new file mode 100644
index 000000000..265ad56c0
--- /dev/null
+++ b/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/issue_test.go
@@ -0,0 +1,68 @@
+package dns
+
+// Tests that solve that an specific issue.
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestTCPRtt(t *testing.T) {
+	m := new(Msg)
+	m.RecursionDesired = true
+	m.SetQuestion("example.org.", TypeA)
+
+	c := &Client{}
+	for _, proto := range []string{"udp", "tcp"} {
+		c.Net = proto
+		_, rtt, err := c.Exchange(m, "8.8.4.4:53")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if rtt == 0 {
+			t.Fatalf("expecting non zero rtt %s, got zero", c.Net)
+		}
+	}
+}
+
+func TestNSEC3MissingSalt(t *testing.T) {
+	rr, err := NewRR("ji6neoaepv8b5o6k4ev33abha8ht9fgc.example. NSEC3 1 1 12 aabbccdd K8UDEMVP1J2F7EG6JEBPS17VP3N8I58H")
+	if err != nil {
+		t.Fatalf("failed to parse example rr: %s", err)
+	}
+	m := new(Msg)
+	m.Answer = []RR{rr}
+	mb, err := m.Pack()
+	if err != nil {
+		t.Fatalf("expected to pack message. err: %s", err)
+	}
+	if err := m.Unpack(mb); err != nil {
+		t.Fatalf("expected to unpack message. missing salt? err: %s", err)
+	}
+	in := rr.(*NSEC3).Salt
+	out := m.Answer[0].(*NSEC3).Salt
+	if in != out {
+		t.Fatalf("expected salts to match. packed: `%s`. returned: `%s`", in, out)
+	}
+}
+
+func TestNSEC3MixedNextDomain(t *testing.T) {
+	rr, err := NewRR("ji6neoaepv8b5o6k4ev33abha8ht9fgc.example. NSEC3 1 1 12 - k8udemvp1j2f7eg6jebps17vp3n8i58h")
+	if err != nil {
+		t.Fatalf("failed to parse example rr: %s", err)
+	}
+	m := new(Msg)
+	m.Answer = []RR{rr}
+	mb, err := m.Pack()
+	if err != nil {
+		t.Fatalf("expected to pack message. err: %s", err)
+	}
+	if err := m.Unpack(mb); err != nil {
+		t.Fatalf("expected to unpack message. err: %s", err)
+	}
+	in := strings.ToUpper(rr.(*NSEC3).NextDomain)
+	out := m.Answer[0].(*NSEC3).NextDomain
+	if in != out {
+		t.Fatalf("expected round trip to produce NextDomain `%s`, instead `%s`", in, out)
+	}
+}