add random test

This commit is contained in:
Chris Lu 2020-08-22 16:33:00 -07:00
parent 42ddbcc3a2
commit 5e6b714836

View file

@ -2,6 +2,7 @@ package filesys
import (
"bytes"
"math/rand"
"testing"
)
@ -66,6 +67,29 @@ func TestContinuousIntervals_RealCase1(t *testing.T) {
}
func TestRandomWrites(t *testing.T) {
c := &ContinuousIntervals{}
data := make([]byte, 1024)
for i:=0;i<1024;i++ {
start, stop := rand.Intn(len(data)), rand.Intn(len(data))
if start > stop {
start,stop = stop, start
}
rand.Read(data[start:stop+1])
c.AddInterval(data[start:stop+1], int64(start))
expectedData(t, c, 0, data...)
}
}
func expectedData(t *testing.T, c *ContinuousIntervals, offset int, data ...byte) {
start, stop := int64(offset), int64(offset+len(data))
for _, list := range c.lists {