Software+Quality+Assur

7/31/2019 Software+Quality+Assur

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Software QualityAssurance

Banking System

Ruchika Bajaj

Taranpreet Kaur


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RequirementAnalysis


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Introduction Designed to simplify bank account keeping

Implemented with the objective to computerize

the handbook account maintenance system.

Aims at reducing the workforce, management andclerical task.

It increases the reliability and portability of thedatabase storage.


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PurposeThe current manual system includes the following

problem:

Account maintenance as paperwork is acumbersome task.

Each transaction needs access to large databasemaking transaction slow and records difficult tomaintain.

Generating monthly interest and adding it to eachaccount manually is very difficult.

Modifying the details of customer is a largeprocess and closing an account and reissuing the

account number may lead to chaos.


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Purpose (cont..) No backup can be maintained as the data is large

and duplication of data consumes lot of time.

Large work force required to do small clerical

tasks. Analysis on data and access to database tedious.

Maintaining year books requires large storage

area.


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Overview

New Account

Display Account Details

Transaction

Monthly report

Edit Account

Banking System


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Representation Of ProductFunctions

Open New Account

Date

Account Number

Name

Address

Name of Verifying Person

Initial Balance


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Display Account Details

Date

Account Number

Name

Address

Current Balance

Monthly Report


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Perform Transaction

Deposit

Withdrawal

AmountMode ofPayment

(cash/cheque)


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Assumptions and ValidationChecks The account numbers should be generated

automatically.

While opening account, name and address should

not be left blank. Initial deposit should not be less than Rs. 1000.

Transaction date should be the current date.


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Context Level Diagram

BankingSystem

User Accounts

MonthlyReportDisplay

Control(management)

Perform transactions

Opensaccount

Inquires accountstatus

maintains Adds interest

Generatesreports

Command +data


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Risk Analysis


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Steps To Follow

Identify the risksIdentify the risks

Analyse the risksAnalyse the risks

Evaluate the risksEvaluate the risks

Treat the risksTreat the risks


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Risk Evaluation

Extreme Very high Moderate Low Negligible

Almostcertain

Severe Severe High Major Moderate

Likely Severe High Major Significant Moderate

Moderate High Major Significant Moderate Low

Unlikely Major Significant Moderate Low Very low

Rare Significant Moderate Low Very low Very Low


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Testing

Black Box Testing


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Equivalence Partitioning

Test case 1 2 3 4 5

Input (Day) -1 12 45 14 14

Input (Month) 5 5 5 0 11

Input (Year) 2009 2009 2009 2009 2009

Partition tested D < 1 0 < D < 32 D > 31 M < 1 0 < M


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Test case 6 7 8 9 10

Input (Day) 14 14 14 14 a

Input (Month) 15 5 5 5 b

Input (Year) 2009 2008 2009 2011 c

Partition tested M > 12 Y < 2009 Y = 2009 Y > 2009 alphabets

Expected Output ErrorMessage

ErrorMessage

Valid ErrorMessage

Error Message

Transaction (Date) (Cont)


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Test case 11 12 13

Input (Day) 14.5 { null

Input (Month) 15.5 ; null

Input (Year) 2009.5 # null

Partition tested realnumber

specialcharacters

null


ErrorMessage

ErrorMessage

Transaction (Date) (Cont)


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Test case 1 2 3 4 5

Input (Type) D d W w e

Partition tested deposit deposit withdrawal withdrawal Any otheralphabet

Expected Output Ask formode

Ask formode

Ask for modeAsk for modeError Message

Transaction (Type)


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Input (Type) % 14 35.6 Daf null

Partition tested specialcharacter

integer real number More than 1characters

null


ErrorMessage

ErrorMessage

Error Message ErrorMessage

Transaction (Type) (Cont)


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Test case 1 2 3 4 5

Input (Mode) C c Q q e

Partition tested cash cash cheque cheque Any otheralphabet

Expected Output Ask foramount

Ask foramount

Ask foramount

Ask foramount

Error Message

Transaction (Mode)


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Input (Mode) % 14 35.6 Daf null


integer real number More than 1characters

null


ErrorMessage

ErrorMessage

Error Message ErrorMessage

Transaction (Mode) (Cont)


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Test case 1 2 3 4 5

Input (Amount) 9 5000 60000 9 70000

Input (Type) d d d w w

Partition tested A < 10 9 50000 A < 10 Greaterthan

minimumExpected Output Error

MessageMake changes

in accountError

MessageError

MessageError

Message

Transaction (Amount)


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Test case 1 2 3 4 5

Input (Month) -1 6 15 9.5 g

Partition tested M < 1 0 < M < 13 M > 12 real numbers alphabets


Valid ErrorMessage

ErrorMessage

Error Message

Monthly Report (Month)


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Test case 6 7

Input (Month) ^ Null


Null

Expected Output Error

Message

Error

Message

Monthly Report (Month) (Cont..)


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Cause Effect Graph For opening an account

Causes:

C1: Valid name is entered

C2: Valid address is entered

C3: Initial amount deposited > Rs.1000

C4: Verifying person present

Effects:

E1: New account is opened

E2: Account not opened


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Cause Effect Graph

E1 = C1 ^ C2 ^ C3 ^ C4

E2 = ~C1 V ~C2 V ~C3 V ~C4

C1

C2

C3

C4

E1

E2


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Decision TableC1 T T T T T T T T F F F F F F F F

C2 T T T T F F F F T T T T F F F F

C3 T T F F T T F F T T F F T T F F

C4 T F T F T F T F T F T F T F T F

E1 T F F F F F F F F F F F F F F F

E2 F T T T T T T T T T T T T T T T


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Test CasesName Address Amount Verifying Person Account Status

Ruchika F-59, Delhi 3100.00 Present Opened

Taranpreet G-45, Delhi 2955.00 Not present Not opened

Rajni Kohat, Delhi 500.00 Present Not opened

Simmi A12,Pitampura Null Not present Not opened

Manisha null 12555.00 Present Not openedBarkha 123456.788 2222.00 Not present Not opened

Reena #$****** Babc Present Not opened

Vashita null ,,*()! Not present Not opened

Null 36B, Noida 9999.00 Present Not opened

1234 K12, delhi 6565.00 Not present Not opened#**** F-44, preetvhr Null Present Not opened

-122 L12, gurgaon 0000 Not present Not opened

0000 null 12345.00 Present Not opened

99.345 00000000000 54321.00 Not present Not opened

,,,!!!!! ######### Abcdef Present Not opened

null aaaaaaaaaaaa ##### Not present Not opened


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Testing

White Box Testing


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White Box Testing

Statement and Branch Coverage

Linear Code Sequence and Jump (LCSAJtesting)


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Source Code1. void display_account(void)2. {

3. statements

4. if(t_accno==0)

5. return;

6. clrscr();

7. if(!found_account_ini(t_accno))

8. {

9. statements

10. return;

11. }

12. box_for_display(t_accno);

13. while(fread(&acc,sizeof(acc),1,fb)>0)

14. {

15. if(acc.accno==t_accno)

16. {

17. statements

18. if(acc.transaction== 'D'||acc.transaction=='d')

19. {

20. statements21. }

22 else


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22. else

23. {

24. statements

25. }

26. statements

27. if(row>23)28. {

29. statements

30. }

31. }

32. }

33. statements

34. for(j=1;j


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A

B

D

E

G

H

F

I

J

K

L M

N

O

P Q

R

S

T

U

VC W

FLOW GRAPH

Statement coverage

1. A-B-C : 3/23 = 13.04%

2. A-B-D-E-F-C : 6/23 = 26.08%

3. A-B-D-E-G-H-R-S-T-U-V-C: 12/23 = 52.17%

Branch coverage

1. A-B-C : 1/18 = 5.5%

2. A-B-D-E-F-C : 2/18 = 11.11%

3. A-B-D-E-G-H-R-S-T-U-V-C: 7/18 = 38.88%


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Source Code


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Source Code


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LCSAJ TestingControl Flow Jump Required Condition

16 17 No Account number == 0

16 18 Yes Account number != 0

19 20 No Account Found

19 25 Yes Account not found

26 27 No Data exists in file

26 71 Yes No data present in file

28 29 No Account number matches with the entered account no. for transaction

28 70 Yes Account no. not matched with the entered account no. for transaction

70 26 Yes Always executed

43 44 No Transaction==D || Transaction == d

43 50 Yes Transaction!=D || Transaction != d

61 62 No Row>23

61 69 Yes Row


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LCSAJ Testing Startpoints: 2,18,25,26,50,69,70,71,73,75,93 Triplets:

2,16,18 18,19,25 25,26,71 26,26,71 50,61,69

2,19,25 18,26,71 25,28,70 26,28,70 50,74,73.

2,26,71 18,28,70 25,70,26 26,70,26 50,73,75

2,28,70 18,70,26 25,43,50 26,43,50 50,87,93

2,70,26 18,43,50 25,61,69 26,61,69

2,43,50 18,61,69 25,74,73 26,74,732,61,69 18,74,73 25,73,75 26,73,75

2,74,73 18,73,75 25,87,93 26,87,93

2,73,75 18,87,93

2,87,93


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Thank You!!

Date post:	05-Apr-2018
Category:	Documents
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