| 25 | } |
| 26 | |
| 27 | func Fuzz(data []byte) int { |
| 28 | score := 0 |
| 29 | for _, ctor := range []func() any{ |
| 30 | func() any { return nil }, |
| 31 | func() any { return new([]any) }, |
| 32 | func() any { m := map[string]string{}; return &m }, |
| 33 | func() any { m := map[string]any{}; return &m }, |
| 34 | func() any { return new(S) }, |
| 35 | } { |
| 36 | // Note: we modified the test to verify that we behavior like the |
| 37 | // standard encoding/json package, whether it's right or wrong. |
| 38 | v1 := ctor() |
| 39 | v2 := ctor() |
| 40 | |
| 41 | err1 := encodingJSON.Unmarshal(data, v1) |
| 42 | err2 := json.Unmarshal(data, v2) |
| 43 | |
| 44 | if err1 != nil { |
| 45 | if err2 != nil { |
| 46 | // both implementations report an error |
| 47 | if reflect.TypeOf(err1) != reflect.TypeOf(err2) { |
| 48 | fmt.Printf("input: %s\n", string(data)) |
| 49 | fmt.Printf("encoding/json.Unmarshal(%T): %T: %s\n", v1, err1, err1) |
| 50 | fmt.Printf("segmentio/encoding/json.Unmarshal(%T): %T: %s\n", v2, err2, err2) |
| 51 | panic("error types mismatch") |
| 52 | } |
| 53 | continue |
| 54 | } else { |
| 55 | fmt.Printf("input: %s\n", string(data)) |
| 56 | fmt.Printf("encoding/json.Unmarshal(%T): %T: %s\n", v1, err1, err1) |
| 57 | fmt.Printf("segmentio/encoding/json.Unmarshal(%T): <nil>\n") |
| 58 | panic("error values mismatch") |
| 59 | } |
| 60 | } else { |
| 61 | if err2 != nil { |
| 62 | fmt.Printf("input: %s\n", string(data)) |
| 63 | fmt.Printf("encoding/json.Unmarshal(%T): <nil>\n") |
| 64 | fmt.Printf("segmentio/encoding/json.Unmarshal(%T): %T: %s\n", v2, err2, err2) |
| 65 | panic("error values mismatch") |
| 66 | } else { |
| 67 | // both implementations pass |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | score = 1 |
| 72 | fixS(v1) |
| 73 | fixS(v2) |
| 74 | if !fuzz.DeepEqual(v1, v2) { |
| 75 | fmt.Printf("input: %s\n", string(data)) |
| 76 | fmt.Printf("encoding/json: %#v\n", v1) |
| 77 | fmt.Printf("segmentio/encoding: %#v\n", v2) |
| 78 | panic("not equal") |
| 79 | } |
| 80 | |
| 81 | data1, err := encodingJSON.Marshal(v1) |
| 82 | if err != nil { |
| 83 | panic(err) |
| 84 | } |