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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package asn1
import (
"bytes"
"encoding/hex"
"math/big"
"testing"
"time"
)
type intStruct struct {
A int
}
type twoIntStruct struct {
A int
B int
}
type bigIntStruct struct {
A *big.Int
}
type nestedStruct struct {
A intStruct
}
type rawContentsStruct struct {
Raw RawContent
A int
}
type implicitTagTest struct {
A int `asn1:"implicit,tag:5"`
}
type explicitTagTest struct {
A int `asn1:"explicit,tag:5"`
}
type ia5StringTest struct {
A string `asn1:"ia5"`
}
type printableStringTest struct {
A string `asn1:"printable"`
}
type optionalRawValueTest struct {
A RawValue `asn1:"optional"`
}
type omitEmptyTest struct {
A []string `asn1:"omitempty"`
}
type testSET []int
var PST = time.FixedZone("PST", -8*60*60)
type marshalTest struct {
in interface{}
out string // hex encoded
}
var marshalTests = []marshalTest{
{10, "02010a"},
{127, "02017f"},
{128, "02020080"},
{-128, "020180"},
{-129, "0202ff7f"},
{intStruct{64}, "3003020140"},
{bigIntStruct{big.NewInt(0x123456)}, "30050203123456"},
{twoIntStruct{64, 65}, "3006020140020141"},
{nestedStruct{intStruct{127}}, "3005300302017f"},
{[]byte{1, 2, 3}, "0403010203"},
{implicitTagTest{64}, "3003850140"},
{explicitTagTest{64}, "3005a503020140"},
{time.Unix(0, 0).UTC(), "170d3730303130313030303030305a"},
{time.Unix(1258325776, 0).UTC(), "170d3039313131353232353631365a"},
{time.Unix(1258325776, 0).In(PST), "17113039313131353134353631362d30383030"},
{BitString{[]byte{0x80}, 1}, "03020780"},
{BitString{[]byte{0x81, 0xf0}, 12}, "03030481f0"},
{ObjectIdentifier([]int{1, 2, 3, 4}), "06032a0304"},
{ObjectIdentifier([]int{1, 2, 840, 133549, 1, 1, 5}), "06092a864888932d010105"},
{ObjectIdentifier([]int{2, 100, 3}), "0603813403"},
{"test", "130474657374"},
{
"" +
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", // This is 127 times 'x'
"137f" +
"7878787878787878787878787878787878787878787878787878787878787878" +
"7878787878787878787878787878787878787878787878787878787878787878" +
"7878787878787878787878787878787878787878787878787878787878787878" +
"78787878787878787878787878787878787878787878787878787878787878",
},
{
"" +
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", // This is 128 times 'x'
"138180" +
"7878787878787878787878787878787878787878787878787878787878787878" +
"7878787878787878787878787878787878787878787878787878787878787878" +
"7878787878787878787878787878787878787878787878787878787878787878" +
"7878787878787878787878787878787878787878787878787878787878787878",
},
{ia5StringTest{"test"}, "3006160474657374"},
{optionalRawValueTest{}, "3000"},
{printableStringTest{"test"}, "3006130474657374"},
{printableStringTest{"test*"}, "30071305746573742a"},
{rawContentsStruct{nil, 64}, "3003020140"},
{rawContentsStruct{[]byte{0x30, 3, 1, 2, 3}, 64}, "3003010203"},
{RawValue{Tag: 1, Class: 2, IsCompound: false, Bytes: []byte{1, 2, 3}}, "8103010203"},
{testSET([]int{10}), "310302010a"},
{omitEmptyTest{[]string{}}, "3000"},
{omitEmptyTest{[]string{"1"}}, "30053003130131"},
{"Σ", "0c02cea3"},
}
func TestMarshal(t *testing.T) {
for i, test := range marshalTests {
data, err := Marshal(test.in)
if err != nil {
t.Errorf("#%d failed: %s", i, err)
}
out, _ := hex.DecodeString(test.out)
if !bytes.Equal(out, data) {
t.Errorf("#%d got: %x want %x\n\t%q\n\t%q", i, data, out, data, out)
}
}
}
func TestInvalidUTF8(t *testing.T) {
_, err := Marshal(string([]byte{0xff, 0xff}))
if err == nil {
t.Errorf("invalid UTF8 string was accepted")
}
}
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