blob: b31f9cdb248e08d5ef9ec4ef1f5047a58cd0716d [file] [log] [blame]
// Copyright 2021 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 x509
import (
"encoding/asn1"
"testing"
cryptobyte_asn1 "golang.org/x/crypto/cryptobyte/asn1"
)
func TestParseASN1String(t *testing.T) {
tests := []struct {
name string
tag cryptobyte_asn1.Tag
value []byte
expected string
expectedErr string
}{
{
name: "T61String",
tag: cryptobyte_asn1.T61String,
value: []byte{80, 81, 82},
expected: string("PQR"),
},
{
name: "PrintableString",
tag: cryptobyte_asn1.PrintableString,
value: []byte{80, 81, 82},
expected: string("PQR"),
},
{
name: "PrintableString (invalid)",
tag: cryptobyte_asn1.PrintableString,
value: []byte{1, 2, 3},
expectedErr: "invalid PrintableString",
},
{
name: "UTF8String",
tag: cryptobyte_asn1.UTF8String,
value: []byte{80, 81, 82},
expected: string("PQR"),
},
{
name: "UTF8String (invalid)",
tag: cryptobyte_asn1.UTF8String,
value: []byte{255},
expectedErr: "invalid UTF-8 string",
},
{
name: "BMPString",
tag: cryptobyte_asn1.Tag(asn1.TagBMPString),
value: []byte{80, 81},
expected: string("偑"),
},
{
name: "BMPString (invalid length)",
tag: cryptobyte_asn1.Tag(asn1.TagBMPString),
value: []byte{255},
expectedErr: "invalid BMPString",
},
{
name: "IA5String",
tag: cryptobyte_asn1.IA5String,
value: []byte{80, 81},
expected: string("PQ"),
},
{
name: "IA5String (invalid)",
tag: cryptobyte_asn1.IA5String,
value: []byte{255},
expectedErr: "invalid IA5String",
},
{
name: "NumericString",
tag: cryptobyte_asn1.Tag(asn1.TagNumericString),
value: []byte{49, 50},
expected: string("12"),
},
{
name: "NumericString (invalid)",
tag: cryptobyte_asn1.Tag(asn1.TagNumericString),
value: []byte{80},
expectedErr: "invalid NumericString",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
out, err := parseASN1String(tc.tag, tc.value)
if err != nil && err.Error() != tc.expectedErr {
t.Fatalf("parseASN1String returned unexpected error: got %q, want %q", err, tc.expectedErr)
} else if err == nil && tc.expectedErr != "" {
t.Fatalf("parseASN1String didn't fail, expected: %s", tc.expectedErr)
}
if out != tc.expected {
t.Fatalf("parseASN1String returned unexpected value: got %q, want %q", out, tc.expected)
}
})
}
}