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For example, to undo a delete selection command, the object may contain a copy of the deleted text so that it can be re-inserted, if the delete selection command must be undone. Note that using a separate object for each invocation of a command is also an example of the chain of responsibility pattern. The term execute is also ambiguous.
Write an automated test that would pass if the variant in the new behavior is met. 3. Run all tests. The new test should fail – for expected reasons This shows that new code is actually needed for the desired feature. It validates that the test harness is working correctly. It rules out the possibility that the new test is flawed and will ...
Feature-based test selection and reporting – Tests are alternatively grouped by their correspondence to important device features, such as multimedia MP3 playback, for example. A user can easily select all tests that exercise this feature, and, after a test run, a user can easily see how many tests related to MP3 playback failed. [citation ...
The mitotic division of a cell — resulting in two identical cells — is an example of a prototype that plays an active role in copying itself and thus, demonstrates the Prototype pattern. When a cell splits, two cells of identical genotype result.
It provides a complete Java ME application environment for consumer products and embedded devices but without a standards-based GUI system. Version 1.1.2 is specified in JSR 219 [ 5 ] and implements a subset of Java SE 1.4.2, including a set of security-related optional packages, such as Java Authentication and Authorization Service ( JAAS ...
In this example, MakeProduct is used in concreteFactory. As a result, MakeProduct() may be invoked in order to retrieve it from the IProduct. Custom logic could run after the object is obtained in the concrete factory method. GetObject is made abstract in the factory interface.
Most email software and applications have an account settings menu where you'll need to update the IMAP or POP3 settings. When entering your account info, make sure you use your full email address, including @aol.com, and that the SSL encryption is enabled for incoming and outgoing mail.
In computer science, the test-and-set instruction is an instruction used to write (set) 1 to a memory location and return its old value as a single atomic (i.e., non-interruptible) operation. The caller can then "test" the result to see if the state was changed by the call.