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System under test (SUT) refers to a system that is being tested for correct operation. According to ISTQB it is the test object. [1] [2] [3] From a unit testing perspective, the system under test represents all of the classes in a test that are not predefined pieces of code like stubs or even mocks. Each one of this can have its own ...
The name is a reference to a story in the book The Pragmatic Programmer in which a programmer would carry around a rubber duck and debug their code by forcing themselves to explain it, line by line, to the duck. [1] Many other terms exist for this technique, often involving different (usually) inanimate objects, or pets such as a dog or a cat.
A test stub is a test double that provides static values to the software under test. A test stub provides canned answers to calls made during the test, usually not responding at all to anything outside what's programmed in for the test. [1] A stub may be coded by hand or generated via a tool.
[1] [2] When used to determine if a computer program should be subjected to further, more fine-grained testing, a smoke test may be called a pretest [5] or an intake test. [1] Alternatively, it is a set of tests run on each new build of a product to verify that the build is testable before the build is released into the hands of the test team. [6]
Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. [1] [2] It involves designing and implementing algorithms, step-by-step specifications of procedures, by writing code in one or more programming languages.
It was founded in 1987 by four graduates of the California Institute of Technology [1] who planned to commercialize the parallel computing software tools they had been working on for the Caltech Cosmic Cube, [2] which was the first working hypercube computer built.
The program outputs 1, 2, 4, 8, …, 512 and halts after 277 steps. CARDIAC (CARDboard Illustrative Aid to Computation) is a learning aid developed by David Hagelbarger and Saul Fingerman for Bell Telephone Laboratories in 1968 to teach high school students how computers work. The kit consists of an instruction manual and a die-cut cardboard ...
[1] illustrates the concept: The Systems Test and Operation Language (STOL) provides the means for user communication with payloads, applications programs, and other ground system elements. It is a systems operation language that enables an operator or user to communicate a command to a computer system.