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package bolt
import (
"flag"
"math/rand"
"reflect"
"testing/quick"
"time"
)
// testing/quick defaults to 100 iterations and a random seed.
// You can override these settings from the command line:
//
// -quickchecks The number of iterations to perform.
// -quick.seed The seed to use for randomizing.
// -quick.maxitems The maximum number of items to insert into a DB.
// -quick.maxksize The maximum size of a key.
// -quick.maxvsize The maximum size of a value.
//
var seed, testMaxItemCount, testMaxKeySize, testMaxValueSize int
func init() {
flag.IntVar(&seed, "quick.seed", int(time.Now().UnixNano())%100000, "")
flag.IntVar(&testMaxItemCount, "quick.maxitems", 1024, "")
flag.IntVar(&testMaxKeySize, "quick.maxksize", 1024, "")
flag.IntVar(&testMaxValueSize, "quick.maxvsize", 1024, "")
warn("seed:", seed)
}
// qc creates a testing/quick configuration.
func qc() *quick.Config {
return &quick.Config{Rand: rand.New(rand.NewSource(int64(seed)))}
}
type testKeyValuePairs []testKeyValuePair
func (t testKeyValuePairs) Generate(rand *rand.Rand, size int) reflect.Value {
n := rand.Intn(testMaxItemCount-1) + 1
items := make(testKeyValuePairs, n)
for i := 0; i < n; i++ {
items[i].Generate(rand, size)
}
return reflect.ValueOf(items)
}
type testKeyValuePair struct {
Key []byte
Value []byte
}
func (t testKeyValuePair) Generate(rand *rand.Rand, size int) reflect.Value {
t.Key = randByteSlice(rand, 1, testMaxKeySize)
t.Value = randByteSlice(rand, 0, testMaxValueSize)
return reflect.ValueOf(t)
}
func randByteSlice(rand *rand.Rand, minSize, maxSize int) []byte {
n := rand.Intn(maxSize - minSize) + minSize
b := make([]byte, n)
for i := 0; i < n; i++ {
b[i] = byte(rand.Intn(255))
}
return b
}
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