2016-12-12 17:42:03 +01:00
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package crypto_test
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import (
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2018-08-16 12:05:33 +02:00
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"bytes"
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2016-12-12 17:42:03 +01:00
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"crypto/aes"
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"crypto/cipher"
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"crypto/rand"
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"io"
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"testing"
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2017-02-06 13:31:36 +01:00
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2019-02-10 15:02:28 +01:00
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"github.com/google/go-cmp/cmp"
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2018-07-13 14:36:09 +02:00
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"v2ray.com/core/common"
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2016-12-12 17:42:03 +01:00
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"v2ray.com/core/common/buf"
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. "v2ray.com/core/common/crypto"
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2017-05-02 22:23:07 +02:00
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"v2ray.com/core/common/protocol"
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2016-12-12 17:42:03 +01:00
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)
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func TestAuthenticationReaderWriter(t *testing.T) {
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key := make([]byte, 16)
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rand.Read(key)
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block, err := aes.NewCipher(key)
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2019-02-02 22:19:30 +01:00
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common.Must(err)
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2016-12-12 17:42:03 +01:00
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aead, err := cipher.NewGCM(block)
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2019-02-02 22:19:30 +01:00
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common.Must(err)
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2016-12-12 17:42:03 +01:00
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2018-03-16 16:22:22 +07:00
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const payloadSize = 1024 * 80
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rawPayload := make([]byte, payloadSize)
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2017-04-23 13:30:08 +02:00
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rand.Read(rawPayload)
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2016-12-12 17:42:03 +01:00
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2018-11-18 19:36:36 +01:00
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payload := buf.MergeBytes(nil, rawPayload)
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2016-12-12 21:49:04 +01:00
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2018-08-16 12:05:33 +02:00
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cache := bytes.NewBuffer(nil)
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2016-12-12 21:49:04 +01:00
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iv := make([]byte, 12)
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rand.Read(iv)
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writer := NewAuthenticationWriter(&AEADAuthenticator{
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2018-04-14 13:10:12 +02:00
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AEAD: aead,
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NonceGenerator: GenerateStaticBytes(iv),
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AdditionalDataGenerator: GenerateEmptyBytes(),
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2018-07-07 15:42:24 +02:00
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}, PlainChunkSizeParser{}, cache, protocol.TransferTypeStream, nil)
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2017-02-06 14:06:41 +01:00
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2019-02-10 15:02:28 +01:00
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common.Must(writer.WriteMultiBuffer(payload))
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if cache.Len() <= 1024*80 {
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t.Error("cache len: ", cache.Len())
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}
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common.Must(writer.WriteMultiBuffer(buf.MultiBuffer{}))
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2017-02-06 13:31:36 +01:00
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2016-12-12 21:49:04 +01:00
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reader := NewAuthenticationReader(&AEADAuthenticator{
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2018-04-14 13:10:12 +02:00
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AEAD: aead,
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NonceGenerator: GenerateStaticBytes(iv),
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AdditionalDataGenerator: GenerateEmptyBytes(),
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2018-07-07 15:42:24 +02:00
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}, PlainChunkSizeParser{}, cache, protocol.TransferTypeStream, nil)
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2016-12-12 21:49:04 +01:00
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2017-11-09 00:55:28 +01:00
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var mb buf.MultiBuffer
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2017-04-27 13:31:09 +02:00
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2018-03-16 16:22:22 +07:00
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for mb.Len() < payloadSize {
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2017-11-09 22:33:15 +01:00
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mb2, err := reader.ReadMultiBuffer()
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2019-02-02 22:19:30 +01:00
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common.Must(err)
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2017-04-27 13:31:09 +02:00
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2018-11-17 09:12:20 +01:00
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mb, _ = buf.MergeMulti(mb, mb2)
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2017-04-27 13:31:09 +02:00
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}
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2017-02-06 14:06:41 +01:00
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2019-02-10 15:02:28 +01:00
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if mb.Len() != payloadSize {
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t.Error("mb len: ", mb.Len())
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}
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2018-03-16 16:22:22 +07:00
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mbContent := make([]byte, payloadSize)
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2018-11-18 19:36:36 +01:00
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buf.SplitBytes(mb, mbContent)
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2019-02-10 15:02:28 +01:00
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if r := cmp.Diff(mbContent, rawPayload); r != "" {
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t.Error(r)
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}
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2016-12-12 21:49:04 +01:00
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2017-11-09 22:33:15 +01:00
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_, err = reader.ReadMultiBuffer()
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2019-02-10 15:02:28 +01:00
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if err != io.EOF {
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t.Error("error: ", err)
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}
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2016-12-12 21:49:04 +01:00
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}
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2017-05-02 00:28:16 +02:00
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func TestAuthenticationReaderWriterPacket(t *testing.T) {
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key := make([]byte, 16)
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2018-07-13 14:36:09 +02:00
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common.Must2(rand.Read(key))
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2017-05-02 00:28:16 +02:00
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block, err := aes.NewCipher(key)
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2019-02-02 22:19:30 +01:00
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common.Must(err)
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2017-05-02 00:28:16 +02:00
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aead, err := cipher.NewGCM(block)
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2019-02-02 22:19:30 +01:00
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common.Must(err)
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2017-05-02 00:28:16 +02:00
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2018-08-16 12:05:33 +02:00
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cache := buf.New()
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2017-05-02 00:28:16 +02:00
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iv := make([]byte, 12)
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rand.Read(iv)
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writer := NewAuthenticationWriter(&AEADAuthenticator{
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2018-04-14 13:10:12 +02:00
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AEAD: aead,
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NonceGenerator: GenerateStaticBytes(iv),
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AdditionalDataGenerator: GenerateEmptyBytes(),
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2018-07-07 15:42:24 +02:00
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}, PlainChunkSizeParser{}, cache, protocol.TransferTypePacket, nil)
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2017-05-02 00:28:16 +02:00
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2017-11-09 00:55:28 +01:00
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var payload buf.MultiBuffer
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2017-05-02 00:28:16 +02:00
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pb1 := buf.New()
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2018-04-19 22:56:55 +02:00
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pb1.Write([]byte("abcd"))
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2018-11-17 09:12:20 +01:00
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payload = append(payload, pb1)
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2017-05-02 00:28:16 +02:00
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pb2 := buf.New()
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2018-04-19 22:56:55 +02:00
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pb2.Write([]byte("efgh"))
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2018-11-17 09:12:20 +01:00
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payload = append(payload, pb2)
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2017-05-02 00:28:16 +02:00
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2019-02-10 15:02:28 +01:00
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common.Must(writer.WriteMultiBuffer(payload))
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if cache.Len() == 0 {
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t.Error("cache len: ", cache.Len())
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}
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common.Must(writer.WriteMultiBuffer(buf.MultiBuffer{}))
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2017-05-02 00:28:16 +02:00
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reader := NewAuthenticationReader(&AEADAuthenticator{
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2018-04-14 13:10:12 +02:00
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AEAD: aead,
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NonceGenerator: GenerateStaticBytes(iv),
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AdditionalDataGenerator: GenerateEmptyBytes(),
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2018-07-07 15:42:24 +02:00
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}, PlainChunkSizeParser{}, cache, protocol.TransferTypePacket, nil)
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2017-05-02 00:28:16 +02:00
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2017-11-09 22:33:15 +01:00
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mb, err := reader.ReadMultiBuffer()
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2019-02-02 22:19:30 +01:00
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common.Must(err)
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2017-05-02 00:28:16 +02:00
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2018-11-18 19:57:29 +01:00
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mb, b1 := buf.SplitFirst(mb)
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2019-02-10 15:02:28 +01:00
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if b1.String() != "abcd" {
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t.Error("b1: ", b1.String())
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}
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2017-12-03 13:23:24 +01:00
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2018-11-18 19:57:29 +01:00
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mb, b2 := buf.SplitFirst(mb)
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2019-02-10 15:02:28 +01:00
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if b2.String() != "efgh" {
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t.Error("b2: ", b2.String())
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}
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2018-04-01 23:31:53 +02:00
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2019-02-10 15:02:28 +01:00
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if !mb.IsEmpty() {
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t.Error("not empty")
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}
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2017-05-02 00:28:16 +02:00
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2017-11-09 22:33:15 +01:00
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_, err = reader.ReadMultiBuffer()
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2019-02-10 15:02:28 +01:00
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if err != io.EOF {
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t.Error("error: ", err)
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}
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2017-05-02 00:28:16 +02:00
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}
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