| package tailfile |
| |
| import ( |
| "os" |
| "path/filepath" |
| "testing" |
| |
| fuzz "github.com/AdaLogics/go-fuzz-headers" |
| ) |
| |
| func FuzzTailfile(f *testing.F) { |
| f.Fuzz(func(t *testing.T, data []byte) { |
| if len(data) < 5 { |
| return |
| } |
| ff := fuzz.NewConsumer(data) |
| n, err := ff.GetUint64() |
| if err != nil { |
| return |
| } |
| fileBytes, err := ff.GetBytes() |
| if err != nil { |
| return |
| } |
| tempDir := t.TempDir() |
| fil, err := os.Create(filepath.Join(tempDir, "tailFile")) |
| if err != nil { |
| return |
| } |
| defer fil.Close() |
| |
| _, err = fil.Write(fileBytes) |
| if err != nil { |
| return |
| } |
| fil.Seek(0, 0) |
| _, _ = TailFile(fil, int(n)) |
| }) |
| } |
