1 files changed, 203 insertions, 0 deletions
diff --git a/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/labels_test.go b/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/labels_test.go
new file mode 100644
index 000000000..9875d6cd9
--- /dev/null
+++ b/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/labels_test.go
@@ -0,0 +1,203 @@
+package dns
+
+import "testing"
+
+func TestCompareDomainName(t *testing.T) {
+	s1 := "www.miek.nl."
+	s2 := "miek.nl."
+	s3 := "www.bla.nl."
+	s4 := "nl.www.bla."
+	s5 := "nl"
+	s6 := "miek.nl"
+
+	if CompareDomainName(s1, s2) != 2 {
+		t.Errorf("%s with %s should be %d", s1, s2, 2)
+	}
+	if CompareDomainName(s1, s3) != 1 {
+		t.Errorf("%s with %s should be %d", s1, s3, 1)
+	}
+	if CompareDomainName(s3, s4) != 0 {
+		t.Errorf("%s with %s should be %d", s3, s4, 0)
+	}
+	// Non qualified tests
+	if CompareDomainName(s1, s5) != 1 {
+		t.Errorf("%s with %s should be %d", s1, s5, 1)
+	}
+	if CompareDomainName(s1, s6) != 2 {
+		t.Errorf("%s with %s should be %d", s1, s5, 2)
+	}
+
+	if CompareDomainName(s1, ".") != 0 {
+		t.Errorf("%s with %s should be %d", s1, s5, 0)
+	}
+	if CompareDomainName(".", ".") != 0 {
+		t.Errorf("%s with %s should be %d", ".", ".", 0)
+	}
+	if CompareDomainName("test.com.", "TEST.COM.") != 2 {
+		t.Errorf("test.com. and TEST.COM. should be an exact match")
+	}
+}
+
+func TestSplit(t *testing.T) {
+	splitter := map[string]int{
+		"www.miek.nl.":   3,
+		"www.miek.nl":    3,
+		"www..miek.nl":   4,
+		`www\.miek.nl.`:  2,
+		`www\\.miek.nl.`: 3,
+		".":              0,
+		"nl.":            1,
+		"nl":             1,
+		"com.":           1,
+		".com.":          2,
+	}
+	for s, i := range splitter {
+		if x := len(Split(s)); x != i {
+			t.Errorf("labels should be %d, got %d: %s %v", i, x, s, Split(s))
+		} else {
+			t.Logf("%s %v", s, Split(s))
+		}
+	}
+}
+
+func TestSplit2(t *testing.T) {
+	splitter := map[string][]int{
+		"www.miek.nl.": {0, 4, 9},
+		"www.miek.nl":  {0, 4, 9},
+		"nl":           {0},
+	}
+	for s, i := range splitter {
+		x := Split(s)
+		switch len(i) {
+		case 1:
+			if x[0] != i[0] {
+				t.Errorf("labels should be %v, got %v: %s", i, x, s)
+			}
+		default:
+			if x[0] != i[0] || x[1] != i[1] || x[2] != i[2] {
+				t.Errorf("labels should be %v, got %v: %s", i, x, s)
+			}
+		}
+	}
+}
+
+func TestPrevLabel(t *testing.T) {
+	type prev struct {
+		string
+		int
+	}
+	prever := map[prev]int{
+		prev{"www.miek.nl.", 0}: 12,
+		prev{"www.miek.nl.", 1}: 9,
+		prev{"www.miek.nl.", 2}: 4,
+
+		prev{"www.miek.nl", 0}: 11,
+		prev{"www.miek.nl", 1}: 9,
+		prev{"www.miek.nl", 2}: 4,
+
+		prev{"www.miek.nl.", 5}: 0,
+		prev{"www.miek.nl", 5}:  0,
+
+		prev{"www.miek.nl.", 3}: 0,
+		prev{"www.miek.nl", 3}:  0,
+	}
+	for s, i := range prever {
+		x, ok := PrevLabel(s.string, s.int)
+		if i != x {
+			t.Errorf("label should be %d, got %d, %t: preving %d, %s", i, x, ok, s.int, s.string)
+		}
+	}
+}
+
+func TestCountLabel(t *testing.T) {
+	splitter := map[string]int{
+		"www.miek.nl.": 3,
+		"www.miek.nl":  3,
+		"nl":           1,
+		".":            0,
+	}
+	for s, i := range splitter {
+		x := CountLabel(s)
+		if x != i {
+			t.Errorf("CountLabel should have %d, got %d", i, x)
+		}
+	}
+}
+
+func TestSplitDomainName(t *testing.T) {
+	labels := map[string][]string{
+		"miek.nl":       {"miek", "nl"},
+		".":             nil,
+		"www.miek.nl.":  {"www", "miek", "nl"},
+		"www.miek.nl":   {"www", "miek", "nl"},
+		"www..miek.nl":  {"www", "", "miek", "nl"},
+		`www\.miek.nl`:  {`www\.miek`, "nl"},
+		`www\\.miek.nl`: {`www\\`, "miek", "nl"},
+		".www.miek.nl.": {"", "www", "miek", "nl"},
+	}
+domainLoop:
+	for domain, splits := range labels {
+		parts := SplitDomainName(domain)
+		if len(parts) != len(splits) {
+			t.Errorf("SplitDomainName returned %v for %s, expected %v", parts, domain, splits)
+			continue domainLoop
+		}
+		for i := range parts {
+			if parts[i] != splits[i] {
+				t.Errorf("SplitDomainName returned %v for %s, expected %v", parts, domain, splits)
+				continue domainLoop
+			}
+		}
+	}
+}
+
+func TestIsDomainName(t *testing.T) {
+	type ret struct {
+		ok  bool
+		lab int
+	}
+	names := map[string]*ret{
+		"..":               {false, 1},
+		"@.":               {true, 1},
+		"www.example.com":  {true, 3},
+		"www.e%ample.com":  {true, 3},
+		"www.example.com.": {true, 3},
+		"mi\\k.nl.":        {true, 2},
+		"mi\\k.nl":         {true, 2},
+	}
+	for d, ok := range names {
+		l, k := IsDomainName(d)
+		if ok.ok != k || ok.lab != l {
+			t.Errorf(" got %v %d for %s ", k, l, d)
+			t.Errorf("have %v %d for %s ", ok.ok, ok.lab, d)
+		}
+	}
+}
+
+func BenchmarkSplitLabels(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		Split("www.example.com")
+	}
+}
+
+func BenchmarkLenLabels(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		CountLabel("www.example.com")
+	}
+}
+
+func BenchmarkCompareLabels(b *testing.B) {
+	b.ReportAllocs()
+	for i := 0; i < b.N; i++ {
+		CompareDomainName("www.example.com", "aa.example.com")
+	}
+}
+
+func BenchmarkIsSubDomain(b *testing.B) {
+	b.ReportAllocs()
+	for i := 0; i < b.N; i++ {
+		IsSubDomain("www.example.com", "aa.example.com")
+		IsSubDomain("example.com", "aa.example.com")
+		IsSubDomain("miek.nl", "aa.example.com")
+	}
+}