mirror of https://github.com/hak5/bolt.git
80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
package bolt_test
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import (
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"bytes"
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"flag"
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"fmt"
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"math/rand"
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"os"
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"reflect"
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"testing/quick"
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"time"
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)
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// testing/quick defaults to 5 iterations and a random seed.
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// You can override these settings from the command line:
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//
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// -quick.count The number of iterations to perform.
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// -quick.seed The seed to use for randomizing.
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// -quick.maxitems The maximum number of items to insert into a DB.
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// -quick.maxksize The maximum size of a key.
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// -quick.maxvsize The maximum size of a value.
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//
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var qcount, qseed, qmaxitems, qmaxksize, qmaxvsize int
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func init() {
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flag.IntVar(&qcount, "quick.count", 5, "")
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flag.IntVar(&qseed, "quick.seed", int(time.Now().UnixNano())%100000, "")
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flag.IntVar(&qmaxitems, "quick.maxitems", 1000, "")
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flag.IntVar(&qmaxksize, "quick.maxksize", 1024, "")
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flag.IntVar(&qmaxvsize, "quick.maxvsize", 1024, "")
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flag.Parse()
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fmt.Fprintln(os.Stderr, "seed:", qseed)
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fmt.Fprintf(os.Stderr, "quick settings: count=%v, items=%v, ksize=%v, vsize=%v\n", qcount, qmaxitems, qmaxksize, qmaxvsize)
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}
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func qconfig() *quick.Config {
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return &quick.Config{
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MaxCount: qcount,
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Rand: rand.New(rand.NewSource(int64(qseed))),
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}
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}
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type testdata []testdataitem
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func (t testdata) Len() int { return len(t) }
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func (t testdata) Swap(i, j int) { t[i], t[j] = t[j], t[i] }
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func (t testdata) Less(i, j int) bool { return bytes.Compare(t[i].Key, t[j].Key) == -1 }
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func (t testdata) Generate(rand *rand.Rand, size int) reflect.Value {
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n := rand.Intn(qmaxitems-1) + 1
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items := make(testdata, n)
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for i := 0; i < n; i++ {
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item := &items[i]
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item.Key = randByteSlice(rand, 1, qmaxksize)
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item.Value = randByteSlice(rand, 0, qmaxvsize)
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}
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return reflect.ValueOf(items)
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}
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type revtestdata []testdataitem
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func (t revtestdata) Len() int { return len(t) }
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func (t revtestdata) Swap(i, j int) { t[i], t[j] = t[j], t[i] }
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func (t revtestdata) Less(i, j int) bool { return bytes.Compare(t[i].Key, t[j].Key) == 1 }
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type testdataitem struct {
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Key []byte
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Value []byte
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}
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func randByteSlice(rand *rand.Rand, minSize, maxSize int) []byte {
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n := rand.Intn(maxSize-minSize) + minSize
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b := make([]byte, n)
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for i := 0; i < n; i++ {
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b[i] = byte(rand.Intn(255))
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}
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return b
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}
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