go fuzz_test 源码
golang fuzz_test 代码
文件路径：/src/encoding/json/fuzz_test.go
// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package json
import (
"bytes"
"io"
"testing"
)
func FuzzUnmarshalJSON(f *testing.F) {
f.Add([]byte(`{
"object": {
"slice": [
1,
2.0,
"3",
[4],
{5: {}}
]
},
"slice": [[]],
"string": ":)",
"int": 1e5,
"float": 3e-9"
}`))
f.Fuzz(func(t *testing.T, b []byte) {
for _, typ := range []func() interface{}{
func() interface{} { return new(interface{}) },
func() interface{} { return new(map[string]interface{}) },
func() interface{} { return new([]interface{}) },
} {
i := typ()
if err := Unmarshal(b, i); err != nil {
return
}
encoded, err := Marshal(i)
if err != nil {
t.Fatalf("failed to marshal: %s", err)
}
if err := Unmarshal(encoded, i); err != nil {
t.Fatalf("failed to roundtrip: %s", err)
}
}
})
}
func FuzzDecoderToken(f *testing.F) {
f.Add([]byte(`{
"object": {
"slice": [
1,
2.0,
"3",
[4],
{5: {}}
]
},
"slice": [[]],
"string": ":)",
"int": 1e5,
"float": 3e-9"
}`))
f.Fuzz(func(t *testing.T, b []byte) {
r := bytes.NewReader(b)
d := NewDecoder(r)
for {
_, err := d.Token()
if err != nil {
if err == io.EOF {
break
}
return
}
}
})
}
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