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// Copyright 2017 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 encoding
import (
"bytes"
"io"
"testing"
"github.com/ProtonMail/go-crypto/openpgp/errors"
)
var oidTests = []struct {
encoded []byte
bytes []byte
bitLength uint16
err error
}{
{
encoded: []byte{0x1, 0x1},
bytes: []byte{0x1},
bitLength: 8,
},
{
encoded: []byte{0x2, 0x1, 0x2},
bytes: []byte{0x1, 0x2},
bitLength: 16,
},
{
encoded: []byte{0xa, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa},
bytes: []byte{0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa},
bitLength: 80,
},
// extension overlap errors
{
encoded: []byte{0x0},
err: errors.UnsupportedError("reserved for future extensions"),
},
{
encoded: append([]byte{0xff}, make([]byte, 0xff)...),
err: errors.UnsupportedError("reserved for future extensions"),
},
// EOF error,
{
encoded: []byte{},
err: io.ErrUnexpectedEOF,
},
{
encoded: []byte{0xa},
err: io.ErrUnexpectedEOF,
},
}
func TestOID(t *testing.T) {
for i, test := range oidTests {
oid := new(OID)
if _, err := oid.ReadFrom(bytes.NewBuffer(test.encoded)); err != nil {
if !sameError(err, test.err) {
t.Errorf("#%d: ReadFrom error got:%q", i, err)
}
continue
}
if b := oid.Bytes(); !bytes.Equal(b, test.bytes) {
t.Errorf("#%d: bad creation got:%x want:%x", i, b, test.bytes)
}
if bl := oid.BitLength(); bl != test.bitLength {
t.Errorf("#%d: bad BitLength got:%d want:%d", i, bl, test.bitLength)
}
if b := oid.EncodedBytes(); !bytes.Equal(b, test.encoded) {
t.Errorf("#%d: bad encoding got:%x want:%x", i, b, test.encoded)
}
}
}
func sameError(err1, err2 error) bool {
switch {
case err1 == err2:
return true
case err1 == nil, err2 == nil:
return false
default:
return err1.Error() == err2.Error()
}
}
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