libgo/go/asn1/marshal_test.go

   1 // Copyright 2009 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package asn1
   6
   7 import (
   8         "bytes"
   9         "encoding/hex"
  10         "testing"
  11         "time"
  12 )
  13
  14 type intStruct struct {
  15         A int
  16 }
  17
  18 type twoIntStruct struct {
  19         A int
  20         B int
  21 }
  22
  23 type nestedStruct struct {
  24         A intStruct
  25 }
  26
  27 type rawContentsStruct struct {
  28         Raw RawContent
  29         A   int
  30 }
  31
  32 type implicitTagTest struct {
  33         A int "implicit,tag:5"
  34 }
  35
  36 type explicitTagTest struct {
  37         A int "explicit,tag:5"
  38 }
  39
  40 type ia5StringTest struct {
  41         A string "ia5"
  42 }
  43
  44 type printableStringTest struct {
  45         A string "printable"
  46 }
  47
  48 type testSET []int
  49
  50 func setPST(t *time.Time) *time.Time {
  51         t.ZoneOffset = -28800
  52         return t
  53 }
  54
  55 type marshalTest struct {
  56         in  interface{}
  57         out string // hex encoded
  58 }
  59
  60 var marshalTests = []marshalTest{
  61         {10, "02010a"},
  62         {127, "02017f"},
  63         {128, "02020080"},
  64         {-128, "020180"},
  65         {-129, "0202ff7f"},
  66         {intStruct{64}, "3003020140"},
  67         {twoIntStruct{64, 65}, "3006020140020141"},
  68         {nestedStruct{intStruct{127}}, "3005300302017f"},
  69         {[]byte{1, 2, 3}, "0403010203"},
  70         {implicitTagTest{64}, "3003850140"},
  71         {explicitTagTest{64}, "3005a503020140"},
  72         {time.SecondsToUTC(0), "170d3730303130313030303030305a"},
  73         {time.SecondsToUTC(1258325776), "170d3039313131353232353631365a"},
  74         {setPST(time.SecondsToUTC(1258325776)), "17113039313131353232353631362d30383030"},
  75         {BitString{[]byte{0x80}, 1}, "03020780"},
  76         {BitString{[]byte{0x81, 0xf0}, 12}, "03030481f0"},
  77         {ObjectIdentifier([]int{1, 2, 3, 4}), "06032a0304"},
  78         {ObjectIdentifier([]int{1, 2, 840, 133549, 1, 1, 5}), "06092a864888932d010105"},
  79         {"test", "130474657374"},
  80         {ia5StringTest{"test"}, "3006160474657374"},
  81         {printableStringTest{"test"}, "3006130474657374"},
  82         {printableStringTest{"test*"}, "30071305746573742a"},
  83         {rawContentsStruct{nil, 64}, "3003020140"},
  84         {rawContentsStruct{[]byte{0x30, 3, 1, 2, 3}, 64}, "3003010203"},
  85         {RawValue{Tag: 1, Class: 2, IsCompound: false, Bytes: []byte{1, 2, 3}}, "8103010203"},
  86         {testSET([]int{10}), "310302010a"},
  87 }
  88
  89 func TestMarshal(t *testing.T) {
  90         for i, test := range marshalTests {
  91                 data, err := Marshal(test.in)
  92                 if err != nil {
  93                         t.Errorf("#%d failed: %s", i, err)
  94                 }
  95                 out, _ := hex.DecodeString(test.out)
  96                 if bytes.Compare(out, data) != 0 {
  97                         t.Errorf("#%d got: %x want %x", i, data, out)
  98                 }
  99         }
 100 }