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Merge pull request #19 from fenollp/fuzzing-marshalling
Fuzz un/marshall-ing methods after #16
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package orderedmap | ||
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| // Adapted from https://github.com/dvyukov/go-fuzz-corpus/blob/c42c1b2/json/json.go | ||
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| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "reflect" | ||
| "testing" | ||
| ) | ||
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| func FuzzMarshalling(f *testing.F) { | ||
| f.Fuzz(func(t *testing.T, data []byte) { | ||
| for _, ctor := range []func() any{ | ||
| func() any { return &OrderedMap[string, string]{} }, | ||
| func() any { return &OrderedMap[string, any]{} }, | ||
| func() any { return new(S) }, | ||
| } { | ||
| v := ctor() | ||
| if json.Unmarshal(data, v) != nil { | ||
| continue | ||
| } | ||
| data1, err := json.Marshal(v) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| if s, ok := v.(*S); ok { | ||
| if len(s.P) == 0 { | ||
| s.P = []byte(`""`) | ||
| } | ||
| } | ||
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| v1 := ctor() | ||
| if json.Unmarshal(data1, v1) != nil { | ||
| continue | ||
| } | ||
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| if s, ok := v.(*S); ok { | ||
| // Some additional escaping happens with P. | ||
| s.P = nil | ||
| v1.(*S).P = nil | ||
| } | ||
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| if !reflect.DeepEqual(v, v1) { | ||
| // Skip false positives due to linked list initialization | ||
| switch v := v.(type) { | ||
| case *OrderedMap[string, string]: | ||
| if l := v1.(*OrderedMap[string, string]).Len(); l == 0 && l == v.Len() { | ||
| continue | ||
| } | ||
| case *OrderedMap[string, any]: | ||
| if l := v1.(*OrderedMap[string, any]).Len(); l == 0 && l == v.Len() { | ||
| continue | ||
| } | ||
| case *S: | ||
| if l := v1.(*S).H.Len(); l == 0 && l == v.H.Len() { | ||
| if ll := v1.(*S).I.Len(); ll == 0 && ll == v.I.Len() { | ||
| continue | ||
| } | ||
| } | ||
| default: | ||
| panic(fmt.Sprintf("unhandled %T", v)) | ||
| } | ||
| fmt.Printf("v0: %#v\n", v) | ||
| fmt.Printf("v1: %#v\n", v1) | ||
| panic("not equal") | ||
| } | ||
| } | ||
| }) | ||
| } | ||
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| type S struct { | ||
| H OrderedMap[int, any] | ||
| I OrderedMap[int, string] | ||
| P json.RawMessage | ||
| } |
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2 changes: 2 additions & 0 deletions
2
...ata/fuzz/FuzzMarshalling/8093511184ad3e258aa13b957e75ff26c7fae64672dae0c0bc0a9fa5b61a05e7
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| go test fuzz v1 | ||
| []byte("{}") |