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// +build gofuzz
package tsz
import (
"encoding/binary"
"fmt"
"math"
"github.com/dgryski/go-tsz/testdata"
)
func Fuzz(data []byte) int {
fuzzUnpack(data)
if len(data) < 9 {
return 0
}
t0 := uint32(1456236677)
v := float64(10000)
var vals []testdata.Point
s := New(t0)
t := t0
for len(data) >= 10 {
tdelta := uint32(binary.LittleEndian.Uint16(data))
if t == t0 {
tdelta &= (1 << 14) - 1
}
t += tdelta
data = data[2:]
v += float64(int16(binary.LittleEndian.Uint16(data))) + float64(binary.LittleEndian.Uint16(data[2:]))/float64(math.MaxUint16)
data = data[8:]
vals = append(vals, testdata.Point{V: v, T: t})
s.Push(t, v)
}
it := s.Iter()
var i int
for it.Next() {
gt, gv := it.Values()
if gt != vals[i].T || (gv != vals[i].V || math.IsNaN(gv) && math.IsNaN(vals[i].V)) {
panic(fmt.Sprintf("failure: gt=%v vals[i].T=%v gv=%v vals[i].V=%v", gt, vals[i].T, gv, vals[i].V))
}
i++
}
if i != len(vals) {
panic("extra data")
}
return 1
}
func fuzzUnpack(data []byte) {
it, err := NewIterator(data)
if err != nil {
return
}
for it.Next() {
_, _ = it.Values()
}
}
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