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fuzz.go
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fuzz.go
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package db
// Fuzz routine for the go-fuzz test system
func Fuzz(data []byte) int {
if err := fuzz(data); err != nil {
return 0
}
return 1
}
func fuzz(data []byte) error {
p := bytePager(data)
db, err := newDatabase(&p, "")
if err != nil {
return err
}
tables, err := db.Tables()
if err != nil {
return err
}
for _, t := range tables {
table, err := db.Table(t)
if err != nil {
return err
}
if err := table.Scan(
func(rowid int64, rec Record) bool {
return false
},
); err != nil {
return err
}
if _, err := table.Rowid(42); err != nil {
return err
}
if _, err := table.Def(); err != nil {
return err
}
}
indexes, err := db.Indexes()
if err != nil {
return err
}
for _, in := range indexes {
index, err := db.Index(in)
if err != nil {
return err
}
if err := index.Scan(
func(rec Record) bool {
return false
},
); err != nil {
return err
}
if err := index.ScanMin(
Key{KeyCol{V: "q"}},
func(rec Record) bool {
return false
},
); err != nil {
return err
}
if _, err := index.Def(); err != nil {
return err
}
}
return nil
}
type bytePager []byte
func (b *bytePager) page(n int, pagesize int) ([]byte, error) {
x := pagesize * (n - 1)
y := x + pagesize
if x < 0 || y > len(*b) {
return nil, ErrCorrupted
}
return (*b)[x:y], nil
}
func (b *bytePager) RLock() error { return nil }
func (b *bytePager) RUnlock() error { return nil }
func (b *bytePager) CheckReservedLock() (bool, error) { return false, nil }
func (b *bytePager) Close() error { return nil }