Secure Programming: Software Testing Overview

Functional behavior describes what the system should do, such as how an online shopping website allows users to add items to their cart.

Testable is a desirable attribute that ensures a function can be easily verified, such as being able to check if the app correctly adds two numbers.

The primary goal of unit testing is to confirm that individual subsystems are correctly coded and perform their intended functions.

<p>Erroneous behavior refers to how the system should handle errors or unexpected issues, such as displaying an error message when a user logs in with an incorrect password.</p> Signup and view all the answers

<p>Consistency ensures that conflicting information is avoided, like stating in one section that users can edit details while another states they cannot.</p> Signup and view all the answers

<p>A test harness is used to automate the testing process by providing the necessary environment and tools for executing test cases.</p> Signup and view all the answers

<p>Regression testing involves re-executing previously passed test cases to ensure that new changes haven't introduced new errors.</p> Signup and view all the answers

<p>Test drivers simulate the behavior of missing components, while test stubs provide predefined responses for untested components.</p> Signup and view all the answers

<p>A test oracle is a source of truth for expected outcomes, often established from the first successful test execution.</p> Signup and view all the answers

<p>Cross-checking test cases thoroughly can help identify and eliminate duplicates.</p> Signup and view all the answers

<p>The main factors to consider are the number of possible logical paths, the nature of input data, the amount of computation, and the complexity of algorithms and data structures.</p> Signup and view all the answers

<p>Developing test cases is significant because they provide a structured set of data or situations to exercise the unit being tested and ensure all requirements are met.</p> Signup and view all the answers

<p>Creating a test oracle before testing is important because it defines the expected results for the test cases, ensuring a clear reference for validation.</p> Signup and view all the answers

<p>Analysis in the first step is crucial for assessing the completeness of requirements to ensure all aspects of the system are covered during testing.</p> Signup and view all the answers

<p>A drawback of black-box testing is that it cannot detect missing use cases or extraneous features not specified in requirements.</p> Signup and view all the answers

<p>Desk checking source code can reduce testing time by allowing developers to identify potential errors before formal testing occurs.</p> Signup and view all the answers

<p>The purpose of code inspection is to systematically review the code to find defects and ensure conformance to design specifications.</p> Signup and view all the answers

<p>Testing for cohesion during the design step means ensuring that all components of a module or system work together effectively and are focused on their intended purpose.</p> Signup and view all the answers

<p>To reveal failures in the software.</p> Signup and view all the answers

<p>To determine the software's performance and ensure user satisfaction.</p> Signup and view all the answers

<p>Testing can reveal inconsistencies between the actual behavior and the intended specifications.</p> Signup and view all the answers

<p>It reveals how the program behaves under various conditions.</p> Signup and view all the answers

<p>Testing ensures the software adheres to legal standards and user requirements.</p> Signup and view all the answers

<p>It might show if alerts are sent for transactions that do not meet specified limits.</p> Signup and view all the answers

<p>It may slow down or crash during peak user activity.</p> Signup and view all the answers

<p>If the app crashes when trying to divide by zero, it indicates a mistake.</p> Signup and view all the answers

<p>The goal of integration testing is to test the interface among subsystems.</p> Signup and view all the answers

<p>System testing evaluates the entire system to determine if it meets functional and global requirements.</p> Signup and view all the answers

<p>Acceptance testing is typically conducted by the client.</p> Signup and view all the answers

<p>Incremental coding, or 'write a little, test a little,' allows developers to identify issues early in the development process.</p> Signup and view all the answers

<p>Static analysis is performed without executing the code, while dynamic analysis involves testing the code during execution.</p> Signup and view all the answers

<p>Dynamic analysis includes black-box testing, white-box testing, and data-structure based testing.</p> Signup and view all the answers

<p>Static analysis helps find errors early, is quicker, and catches coding standard violations before the code runs.</p> Signup and view all the answers

<p>Dynamic analysis is necessary to check how the code operates in practice, revealing issues that occur only during execution.</p> Signup and view all the answers

<p>The function <code>FindMean</code> calculates the mean of positive scores read from a file.</p> Signup and view all the answers

<p>The <code>while (!EOF(ScoreFile))</code> condition ensures that the loop continues to read scores until the end of the file is reached.</p> Signup and view all the answers

<p>The <code>Mean</code> value would not be calculated if <code>NumberOfScores</code> is 0, indicating no valid scores were found.</p> Signup and view all the answers

<p>White-box testing evaluates the internal workings of a program, while black-box testing assesses its external behavior without knowledge of its internal code.</p> Signup and view all the answers

<p>The flow diagram visually represents decision points and possible paths, aiding in identifying which test cases to cover.</p> Signup and view all the answers

<p>When the score dataset is empty, the function will not calculate a mean and will display 'No scores found in file'.</p> Signup and view all the answers

<p>The infinite number of paths poses a challenge as it becomes impractical to test all possible execution routes in a program.</p> Signup and view all the answers

<p>The logic flow diagram starts with 'Start' and exits with 'Exit'.</p> Signup and view all the answers

<p>Including test cases for both positive and negative scores ensures the function behaves correctly under various input scenarios.</p> Signup and view all the answers

<p>'f', 'g', and 'h' signify specific decision outcomes that must be covered by relevant data inputs during testing.</p> Signup and view all the answers