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// Copyright 2023 The NATS Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package nkeys
import (
"bytes"
"encoding/binary"
"testing"
)
func BenchmarkDecode(b *testing.B) {
tcs := []struct {
name string
f func([]byte) ([]byte, error)
}{
{"original", func(src []byte) ([]byte, error) {
raw := make([]byte, b32Enc.DecodedLen(len(src)))
n, err := b32Enc.Decode(raw, src)
if err != nil {
return nil, err
}
raw = raw[:n]
if len(raw) < 4 {
return nil, ErrInvalidEncoding
}
var crc uint16
checksum := bytes.NewReader(raw[len(raw)-2:])
if err := binary.Read(checksum, binary.LittleEndian, &crc); err != nil {
return nil, err
}
// ensure checksum is valid
if err := validate(raw[0:len(raw)-2], crc); err != nil {
return nil, err
}
return raw[:len(raw)-2], nil
}},
{"current", decode},
}
for _, tc := range tcs {
b.Run(tc.name, func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := tc.f([]byte("SUAMAR5BIQ2AZCPYRTLLK7UGWMGSG2GWD2VPIXBNO7ZIB6TZAU4QAEJS2Q")); err != nil {
b.Fatal(err)
}
}
})
}
}
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