This lesson describes in more details about why complete testing is impossible. I attached also pdf document about the same topic mentioned in the lesson.
In this video you will learn about:
Software testing technique, emphasizing its complexity despite apparent simplicity. You will also get familiarized with the traditional approach, highlight fundamental concepts like input/result variables and primary/secondary dimensions, and introduced to a schema for applying domain testing to various variables. Using PowerPoint's page width field as an example, how to determine valid values, testing boundaries, and handling invalid values, emphasizing the importance of testers' own analysis in the absence of detailed specifications will be discussed.
Discussed terminology:
distinct tests
what would it mean to test everything
human inputs
timeouts
input variables
extreme inputs