Function applyMutation

json_fuzz_test.go:544–550

applyMutation picks one operator at random and applies it.

(r *rand.Rand, data []byte)

// applyMutation picks one operator at random and applies it.
func applyMutation(r *rand.Rand, data []byte) []byte {
	if len(data) < 2 {
		return data
	}
	op := mutationOps[r.Intn(len(mutationOps))]
	return op(r, data)
}

// findStructuralBytes returns the positions of all bytes in data that match
// any of targets. Returns nil if none are found.