/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/batch_test.go is in golang-github-syndtr-goleveldb-dev 0.0~git20170725.0.b89cc31-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | // Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
// All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package leveldb
import (
"bytes"
"fmt"
"testing"
"testing/quick"
"github.com/syndtr/goleveldb/leveldb/testutil"
)
func TestBatchHeader(t *testing.T) {
f := func(seq uint64, length uint32) bool {
encoded := encodeBatchHeader(nil, seq, int(length))
decSeq, decLength, err := decodeBatchHeader(encoded)
return err == nil && decSeq == seq && decLength == int(length)
}
config := &quick.Config{
Rand: testutil.NewRand(),
}
if err := quick.Check(f, config); err != nil {
t.Error(err)
}
}
type batchKV struct {
kt keyType
k, v []byte
}
func TestBatch(t *testing.T) {
var (
kvs []batchKV
internalLen int
)
batch := new(Batch)
rbatch := new(Batch)
abatch := new(Batch)
testBatch := func(i int, kt keyType, k, v []byte) error {
kv := kvs[i]
if kv.kt != kt {
return fmt.Errorf("invalid key type, index=%d: %d vs %d", i, kv.kt, kt)
}
if !bytes.Equal(kv.k, k) {
return fmt.Errorf("invalid key, index=%d", i)
}
if !bytes.Equal(kv.v, v) {
return fmt.Errorf("invalid value, index=%d", i)
}
return nil
}
f := func(ktr uint8, k, v []byte) bool {
kt := keyType(ktr % 2)
if kt == keyTypeVal {
batch.Put(k, v)
rbatch.Put(k, v)
kvs = append(kvs, batchKV{kt: kt, k: k, v: v})
internalLen += len(k) + len(v) + 8
} else {
batch.Delete(k)
rbatch.Delete(k)
kvs = append(kvs, batchKV{kt: kt, k: k})
internalLen += len(k) + 8
}
if batch.Len() != len(kvs) {
t.Logf("batch.Len: %d vs %d", len(kvs), batch.Len())
return false
}
if batch.internalLen != internalLen {
t.Logf("abatch.internalLen: %d vs %d", internalLen, batch.internalLen)
return false
}
if len(kvs)%1000 == 0 {
if err := batch.replayInternal(testBatch); err != nil {
t.Logf("batch.replayInternal: %v", err)
return false
}
abatch.append(rbatch)
rbatch.Reset()
if abatch.Len() != len(kvs) {
t.Logf("abatch.Len: %d vs %d", len(kvs), abatch.Len())
return false
}
if abatch.internalLen != internalLen {
t.Logf("abatch.internalLen: %d vs %d", internalLen, abatch.internalLen)
return false
}
if err := abatch.replayInternal(testBatch); err != nil {
t.Logf("abatch.replayInternal: %v", err)
return false
}
nbatch := new(Batch)
if err := nbatch.Load(batch.Dump()); err != nil {
t.Logf("nbatch.Load: %v", err)
return false
}
if nbatch.Len() != len(kvs) {
t.Logf("nbatch.Len: %d vs %d", len(kvs), nbatch.Len())
return false
}
if nbatch.internalLen != internalLen {
t.Logf("nbatch.internalLen: %d vs %d", internalLen, nbatch.internalLen)
return false
}
if err := nbatch.replayInternal(testBatch); err != nil {
t.Logf("nbatch.replayInternal: %v", err)
return false
}
}
if len(kvs)%10000 == 0 {
nbatch := new(Batch)
if err := batch.Replay(nbatch); err != nil {
t.Logf("batch.Replay: %v", err)
return false
}
if nbatch.Len() != len(kvs) {
t.Logf("nbatch.Len: %d vs %d", len(kvs), nbatch.Len())
return false
}
if nbatch.internalLen != internalLen {
t.Logf("nbatch.internalLen: %d vs %d", internalLen, nbatch.internalLen)
return false
}
if err := nbatch.replayInternal(testBatch); err != nil {
t.Logf("nbatch.replayInternal: %v", err)
return false
}
}
return true
}
config := &quick.Config{
MaxCount: 40000,
Rand: testutil.NewRand(),
}
if err := quick.Check(f, config); err != nil {
t.Error(err)
}
t.Logf("length=%d internalLen=%d", len(kvs), internalLen)
}
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