mirror of https://github.com/google/oss-fuzz.git
94 lines
2.0 KiB
Go
94 lines
2.0 KiB
Go
// Copyright 2015 go-fuzz project authors. All rights reserved.
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// Use of this source code is governed by Apache 2 LICENSE.
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// Modified from original file https://github.com/dvyukov/go-fuzz-corpus/blob/master/json/json.go
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package jsonfuzz
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import (
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"encoding/json"
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"fmt"
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jsoniter "github.com/json-iterator/go"
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"reflect"
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)
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func Fuzz(data []byte) int {
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score := 0
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for _, ctor := range []func() interface{}{
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//func() interface{} { return nil },
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func() interface{} { return new([]interface{}) },
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func() interface{} { m := map[string]string{}; return &m },
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func() interface{} { m := map[string]interface{}{}; return &m },
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func() interface{} { return new(S) },
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} {
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v := ctor()
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if jsoniter.ConfigCompatibleWithStandardLibrary.Unmarshal(data, v) != nil {
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continue
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}
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score = 1
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vj := ctor()
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err := json.Unmarshal(data, vj)
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if err != nil {
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panic(err)
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}
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if !reflect.DeepEqual(v, vj) {
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fmt.Printf("v0: %#v\n", v)
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fmt.Printf("v1: %#v\n", vj)
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panic("not equal")
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}
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data1, err := jsoniter.ConfigCompatibleWithStandardLibrary.Marshal(v)
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if err != nil {
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panic(err)
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}
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v1 := ctor()
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if jsoniter.ConfigCompatibleWithStandardLibrary.Unmarshal(data1, v1) != nil {
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continue
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}
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if !reflect.DeepEqual(v, v1) {
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fmt.Printf("v0: %#v\n", v)
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fmt.Printf("v1: %#v\n", v1)
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panic("not equal")
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}
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}
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return score
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}
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type S struct {
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A int `json:",omitempty"`
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B string `json:"B1,omitempty"`
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C float64
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D bool
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E uint8
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F []byte
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G interface{}
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H map[string]interface{}
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I map[string]string
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J []interface{}
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K []string
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L S1
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M *S1
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N *int
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O **int
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// P json.RawMessage
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Q Marshaller
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R int `json:"-"`
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S int `json:",string"`
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}
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type S1 struct {
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A int
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B string
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}
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type Marshaller struct {
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v string
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}
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func (m *Marshaller) MarshalJSON() ([]byte, error) {
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return jsoniter.ConfigCompatibleWithStandardLibrary.Marshal(m.v)
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}
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func (m *Marshaller) UnmarshalJSON(data []byte) error {
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return jsoniter.ConfigCompatibleWithStandardLibrary.Unmarshal(data, &m.v)
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}
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