[Retracted] Development Strategy of Intelligent Digital Library without Human Service in the Era of “Internet +”

Table 2

Test cases and output of automatic book return module.

Test case ID	Expected output	Actual output
1	Return the book successfully	Return the book successfully
2	The ISBN number of this book does not exist	The ISBN number of this book does not exist
3	Please scan books	Please scan books
4	The book has been returned	The book has been returned
5	This book is placed in column X of XX cabinet in XX district	This book is placed in column X of XX cabinet in XX district