Whitebox Testing Interview Questions

Data flow testing is a White-box test design technique.The testing is based on selecting paths through the programs control flow in order to find the sequence of events related to the status of data objects.It uses control graph to find the anomalies.

Integration testing looks at how all components of an application interact. White box integration tests specifically look at the interfaces between the components.

White box testing provides the testers with complete knowledge of the infrastructure to be tested, often including network diagrams, source code, and IP addressing information. It can be performed to...

Equivalence partitioning , a Black box Technique , is done mostly on Data inputs derived from the requirement specification.It is done rarely on Output data. >The set of input datum are divided into...

Equivalence partitioning (EP) will decides the type of value where as boundary value analysis (BVA) will decides the boundary of that valueex:write a name? it should be having minimum 3 aharacters and...

Cyclomatic complexcity is a methodology to measure the complexity at a certain area of code.In other words it an another way to reach at defect clustering. Cyclomatic complexity is to measure the nu...

Cyclomatic Complexity is software metric that provides a quantitative measure of the logical complexity of a program. Cyclomatic complexity defines the number for independent paths in the basis set of...

For both the questions Option B is correct.

For 1st question: Answer is a.
For 2nd question: Answer is b.

Hi
Coverage is the measurement of how much the test case is being exercised.

It includes :

Statement Coverage
Branch coverage/Decision coverage
Condition coverage
Path coverage

These all are part of static test techniques which are done before execution of the code

I believe, you meant to ask 'Coverage Measurement Techniques'. We use diff matrices to measure that....diff coverage types are Path coverage, statement coverage,branch coverage etc.

Hi
The Ans is A. 3,3

The answer is A we need minimum 3 statement and 3 decision to meet full coverage

Hi Compliance testing can be described as a process of checking whether the product is meeting with certain predefined standards prescribed as per certain organization. Compliance testing is done by...

I believe, Code Compliance Testing means to test whether the code is following the set of coding standards set prior to coding.

During testing, a test harness-an application that links the API and methodically exercises its functionality-is constructed to simulate the use of the API by end-user applications. The interesting pr...

During testing, a test harness-an application that links the API and methodically exercises its functionality-is constructed to simulate the use of the API by end-user applications. The interesting pr...

2 + 1 = 3.

3 is the right answer.

Path coverage = 2
Decision coverage = 4

Validation Table and User Requirements Testcase

A test case may be the smallest unit of testing. Consists of Testing steps, testing requirements, pre-conditions, post-conditions,Boundary value analysis.

A Test plan has an approach, tools to be used, who is the tester, schedule, risk analysis.

b) Clear Box Testing

White box: if one performs testing on structural part of application then that method testing is know as white box testing. Usually developers are white box testers performing testing

We cant run the whole application with the BVA, EP, Decision table, Error Guessing with Black box Testing techniques. To ensure the test is covered with Branch, statement, Path condition with test dat...

Though white box  method of test design can uncover an overwhelming number of test cases, it might not detect unimplemented parts of the specification or missing requirements. But you can be sure that all paths through the test object are executed

Clear Box Testing
Glass Box Testing
Transparent Box Testing
Translucent Box Testing or Structural Testing

glass box testing, clear box testing ,structural testing, open box testing

Unit Test Case are written by development team or we can say component testers. Unit test cases are important during coding because we can test our new code with these test cases. Documents required is test cases list what we are executing fot unit test cases.

Cyclomatic complexity gives the number of independent paths in the program, which should be tested.We can find the cyclomatic complexity by representing the program as flowgraph notation or writing ...

Answer: B) 1 test for statement coverage, 2 for branch coverage

option - b) is the correct answer. 1) if p = 51, Q= 50 it will cover all the statements. so, one test for statement coverage.2) for branch coverage:a)  P+Q> 100 AND P>50 (True)b)  P+Q ...

IBM Rational Purify
Pex, Automated White box Testing for .NET

Few tools are :
Source Code Analyzers, Debugger and Fault Injectors.

The Test Case is known as Dirty Test Cases

*Which is not meaningfull
*Not understandable by others.
*not covered according to the fuctionality
*not be the part in the Traceability Matrix
*Steps are not meaningfull

They are also know as Abuse Cases in context of white box testing.