codekingpro/portable-devtools

1// Copyright 2021 The Go Authors. All rights reserved.2// Use of this source code is governed by a BSD-style3// license that can be found in the LICENSE file.4 5//go:build goexperiment.jsonv26 7package json8 9import (10	"bytes"11	"io"12	"testing"13)14 15func FuzzUnmarshalJSON(f *testing.F) {16	f.Add([]byte(`{17"object": {18	"slice": [19		1,20		2.0,21		"3",22		[4],23		{5: {}}24	]25},26"slice": [[]],27"string": ":)",28"int": 1e5,29"float": 3e-9"30}`))31 32	f.Fuzz(func(t *testing.T, b []byte) {33		for _, typ := range []func() any{34			func() any { return new(any) },35			func() any { return new(map[string]any) },36			func() any { return new([]any) },37		} {38			i := typ()39			if err := Unmarshal(b, i); err != nil {40				return41			}42 43			encoded, err := Marshal(i)44			if err != nil {45				t.Fatalf("failed to marshal: %s", err)46			}47 48			if err := Unmarshal(encoded, i); err != nil {49				t.Fatalf("failed to roundtrip: %s", err)50			}51		}52	})53}54 55func FuzzDecoderToken(f *testing.F) {56	f.Add([]byte(`{57"object": {58	"slice": [59		1,60		2.0,61		"3",62		[4],63		{5: {}}64	]65},66"slice": [[]],67"string": ":)",68"int": 1e5,69"float": 3e-9"70}`))71 72	f.Fuzz(func(t *testing.T, b []byte) {73		r := bytes.NewReader(b)74		d := NewDecoder(r)75		for {76			_, err := d.Token()77			if err != nil {78				if err == io.EOF {79					break80				}81				return82			}83		}84	})85}86