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Software Development

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Questions and Answers

Black-box testing is done without any special internal knowledge of the product being tested. Which of the following is the best description of a functional test in black-box testing?

Testing the performance and scalability of the software under different conditions.

Testing the software's compliance with regulatory standards.

Testing specific functions of the code to ensure they perform as expected based on requirements.

Testing the software's user interface for usability issues. (correct)

Non-functional tests are an important part of black-box testing. Which of the following is an example of a non-functional test?

Testing if the login functionality works correctly.

Testing if the system can handle a high number of concurrent users. (correct)

Testing if a new feature has introduced any bugs in the existing software.

Testing if the correct error message is displayed when a user inputs invalid data.

Regression tests ensure that new code changes do not negatively affect the existing functionality of the software. Which of the following is the best example of a regression test?

Testing the speed of the software's response to user inputs.

Testing all the features of the software after a new update to make sure everything still works as before. (correct)

Testing the software's compatibility with different operating systems.

Testing the security of the software against unauthorized access.

Which of the following is a characteristic of white-box testing?

It involves testing the internal structures or workings of an application, as opposed to its functionality. Signup and view all the answers

What is the primary goal of software testing?

Ensuring the software meets user expectations Signup and view all the answers

In Test-Driven Development (TDD), what is the purpose of the 'Green' phase?

Writing the code to pass the tests Signup and view all the answers

Which testing method involves evaluating the software's functionality without knowing the internal workings of the code?

Black-box testing Signup and view all the answers

What is the purpose of boundary value analysis in testing?

To identify boundary values for testing Signup and view all the answers

Which of the following metrics is used in white-box testing to measure the percentage of code branches that are executed?

Branch coverage Signup and view all the answers

What is the primary purpose of equivalence class partitioning in testing?

To divide inputs into subsets that are expected to be treated similarly by the code Signup and view all the answers

Study Notes

Software Testing Goals

The goal of validation in software testing is to ensure the software does what the user wants.

Test-Driven Development (TDD)

In TDD, the 'Red' phase involves writing tests that the code should pass.

Testing Methods

Black-box testing is a method that involves designing tests without any knowledge of the internal structure of the code.
There are other testing methods, including White-box testing and Gray-box testing.

Equivalence Class Partitioning

The purpose of equivalence class partitioning in testing is to divide inputs into subsets that are expected to be treated similarly by the code.
This helps to identify boundary values for testing.

White-Box Testing Metrics

White-box testing metrics include:
- Statement coverage
- Decision coverage
- Path coverage
Boundary value analysis is not a metric used in white-box testing.