In software testing, various methodologies and techniques are employed to ensure the quality and reliability of a software system. One such technique is , which involves selecting a subset of data from a larger population to represent and test the system's behavior. By utilizing random sampling, testers can efficiently analyze and identify any vulnerabilities or inconsistencies that may arise.
Both negative and are vital components of comprehensive software testing. involves validating the system's ability to handle unexpected or invalid inputs, ensuring it gracefully handles errors and exceptions. On the other hand, positive testing validates the system's ability to function correctly under normal circumstances, verifying that it produces the expected outputs for valid inputs.
is an important aspect of testing, as it verifies that all necessary data and scenarios have been considered. , including both valid and invalid inputs, is carefully chosen to cover a wide range of possibilities and thoroughly exercise the system. Another aspect to consider is the , which test the system's behavior at the limits of its acceptable range. By testing these boundary values, testers can uncover potential issues that may occur at the extremes of input values.
is a metric used to assess the comprehensiveness of testing. It measures the percentage of code that is executed by a test suite, helping identify areas where testing can be improved. , although less formal, complements other testing techniques by allowing testers to explore the software system in an unplanned and spontaneous manner, often revealing unexpected defects.
, also known as all-pairs testing, is an efficient technique that systematically selects a subset of test cases to cover all possible combinations of input values. It ensures that the system is thoroughly tested without the need to exhaustively test every possible combination.
is crucial to evaluate the system from a user's perspective. It examines how well the system meets the user's needs, focusing on aspects such as ease of use, intuitiveness, and overall user experience. By conducting usability testing, testers can identify areas for improvement and ensure the system is user-friendly.
Finally, refers to the extent to which a system's functionality is tested. It measures the percentage of requirements, features, or functions that have been covered by the test suite. A high test coverage indicates that the majority of the system's behavior has been exercised during testing.
Keywords
data completeness | negative testing | positive testing | test coverage | boundary values | pairwise testing | random sampling | test data | usability testing | real-world data | code coverage | ad-hoc testing |
