1package dns 2 3import ( 4 "testing" 5) 6 7func TestCmToM(t *testing.T) { 8 s := cmToM(0, 0) 9 if s != "0.00" { 10 t.Error("0, 0") 11 } 12 13 s = cmToM(1, 0) 14 if s != "0.01" { 15 t.Error("1, 0") 16 } 17 18 s = cmToM(3, 1) 19 if s != "0.30" { 20 t.Error("3, 1") 21 } 22 23 s = cmToM(4, 2) 24 if s != "4" { 25 t.Error("4, 2") 26 } 27 28 s = cmToM(5, 3) 29 if s != "50" { 30 t.Error("5, 3") 31 } 32 33 s = cmToM(7, 5) 34 if s != "7000" { 35 t.Error("7, 5") 36 } 37 38 s = cmToM(9, 9) 39 if s != "90000000" { 40 t.Error("9, 9") 41 } 42} 43 44func TestSplitN(t *testing.T) { 45 xs := splitN("abc", 5) 46 if len(xs) != 1 && xs[0] != "abc" { 47 t.Errorf("failure to split abc") 48 } 49 50 s := "" 51 for i := 0; i < 255; i++ { 52 s += "a" 53 } 54 55 xs = splitN(s, 255) 56 if len(xs) != 1 && xs[0] != s { 57 t.Errorf("failure to split 255 char long string") 58 } 59 60 s += "b" 61 xs = splitN(s, 255) 62 if len(xs) != 2 || xs[1] != "b" { 63 t.Errorf("failure to split 256 char long string: %d", len(xs)) 64 } 65 66 // Make s longer 67 for i := 0; i < 255; i++ { 68 s += "a" 69 } 70 xs = splitN(s, 255) 71 if len(xs) != 3 || xs[2] != "a" { 72 t.Errorf("failure to split 510 char long string: %d", len(xs)) 73 } 74} 75 76func TestSprintName(t *testing.T) { 77 got := sprintName("abc\\.def\007\"\127@\255\x05\xef\\") 78 79 if want := "abc\\.def\\007\\\"W\\@\\173\\005\\239"; got != want { 80 t.Errorf("expected %q, got %q", got, want) 81 } 82} 83 84func TestSprintTxtOctet(t *testing.T) { 85 got := sprintTxtOctet("abc\\.def\007\"\127@\255\x05\xef\\") 86 87 if want := "\"abc\\.def\\007\"W@\\173\\005\\239\""; got != want { 88 t.Errorf("expected %q, got %q", got, want) 89 } 90} 91 92func TestSprintTxt(t *testing.T) { 93 got := sprintTxt([]string{ 94 "abc\\.def\007\"\127@\255\x05\xef\\", 95 "example.com", 96 }) 97 98 if want := "\"abc.def\\007\\\"W@\\173\\005\\239\" \"example.com\""; got != want { 99 t.Errorf("expected %q, got %q", got, want) 100 } 101} 102 103func TestRPStringer(t *testing.T) { 104 rp := &RP{ 105 Hdr: RR_Header{ 106 Name: "test.example.com.", 107 Rrtype: TypeRP, 108 Class: ClassINET, 109 Ttl: 600, 110 }, 111 Mbox: "\x05first.example.com.", 112 Txt: "second.\x07example.com.", 113 } 114 115 const expected = "test.example.com.\t600\tIN\tRP\t\\005first.example.com. second.\\007example.com." 116 if rp.String() != expected { 117 t.Errorf("expected %v, got %v", expected, rp) 118 } 119 120 _, err := NewRR(rp.String()) 121 if err != nil { 122 t.Fatalf("error parsing %q: %v", rp, err) 123 } 124} 125 126func BenchmarkSprintName(b *testing.B) { 127 for n := 0; n < b.N; n++ { 128 got := sprintName("abc\\.def\007\"\127@\255\x05\xef\\") 129 130 if want := "abc\\.def\\007\\\"W\\@\\173\\005\\239"; got != want { 131 b.Fatalf("expected %q, got %q", got, want) 132 } 133 } 134} 135 136func BenchmarkSprintName_NoEscape(b *testing.B) { 137 for n := 0; n < b.N; n++ { 138 got := sprintName("large.example.com") 139 140 if want := "large.example.com"; got != want { 141 b.Fatalf("expected %q, got %q", got, want) 142 } 143 } 144} 145 146func BenchmarkSprintTxtOctet(b *testing.B) { 147 for n := 0; n < b.N; n++ { 148 got := sprintTxtOctet("abc\\.def\007\"\127@\255\x05\xef\\") 149 150 if want := "\"abc\\.def\\007\"W@\\173\\005\\239\""; got != want { 151 b.Fatalf("expected %q, got %q", got, want) 152 } 153 } 154} 155 156func BenchmarkSprintTxt(b *testing.B) { 157 txt := []string{ 158 "abc\\.def\007\"\127@\255\x05\xef\\", 159 "example.com", 160 } 161 162 b.ResetTimer() 163 for n := 0; n < b.N; n++ { 164 got := sprintTxt(txt) 165 166 if want := "\"abc.def\\007\\\"W@\\173\\005\\239\" \"example.com\""; got != want { 167 b.Fatalf("expected %q, got %q", got, want) 168 } 169 } 170} 171