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minio/pkg/csvparser/fuzz.go

71 lines
1.3 KiB

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in https://golang.org/LICENSE
// +build gofuzz
package csv
import (
"bytes"
"fmt"
"reflect"
)
func Fuzz(data []byte) int {
score := 0
buf := new(bytes.Buffer)
for _, tt := range []Reader{
{},
{Comma: ';'},
{Comma: '\t'},
{LazyQuotes: true},
{TrimLeadingSpace: true},
{Comment: '#'},
{Comment: ';'},
} {
r := NewReader(bytes.NewReader(data))
r.Comma = tt.Comma
r.Comment = tt.Comment
r.LazyQuotes = tt.LazyQuotes
r.TrimLeadingSpace = tt.TrimLeadingSpace
records, err := r.ReadAll()
if err != nil {
continue
}
score = 1
buf.Reset()
w := NewWriter(buf)
w.Comma = tt.Comma
err = w.WriteAll(records)
if err != nil {
fmt.Printf("writer = %#v\n", w)
fmt.Printf("records = %v\n", records)
panic(err)
}
r = NewReader(buf)
r.Comma = tt.Comma
r.Comment = tt.Comment
r.LazyQuotes = tt.LazyQuotes
r.TrimLeadingSpace = tt.TrimLeadingSpace
result, err := r.ReadAll()
if err != nil {
fmt.Printf("reader = %#v\n", r)
fmt.Printf("records = %v\n", records)
panic(err)
}
if !reflect.DeepEqual(records, result) {
fmt.Println("records = \n", records)
fmt.Println("result = \n", records)
panic("not equal")
}
}
return score
}