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- Metamorphic_testing abstract "Metamorphic Testing (MT) is a software testing technique that attempts to alleviate the test oracle problem. A test oracle is the mechanism by which a tester can determine whether a program has failed by comparing the actual output with the expected output. A test oracle problem occurs when it is difficult to generate expected outputs from selected test cases, or when it is difficult to determine whether the actual outputs agree with the expected outputs.Metamorphic testing takes an original test case with unknown expected output and mutates it into a “follow-up” test case. For example, the expected output of a function that computes sin x to 100 significant figures is unknown. A metamorphic relation (MR) is a necessary property of the function, such as “sin x = sin (π − x)”. Hence, the program under test should have the same expected output for an original test case “0.1234” and a follow-up test case “π − 0.1234”. If the actual outputs from the program under test for these two test cases are different, it indicates a failure of the implementation. An MR does not need to be an equation but can be a general relation. Thus, metamorphic testing can be applied to any problem in which a necessary property can be formulated. Some examples of successful applications includepartial differential equations,ubiquitous computing,services computing,imaging software,bioinformatics,software product lines, andweb search engines.".
- Metamorphic_testing wikiPageID "33883830".
- Metamorphic_testing wikiPageRevisionID "559022378".
- Metamorphic_testing hasPhotoCollection Metamorphic_testing.
- Metamorphic_testing subject Category:Software_testing.
- Metamorphic_testing comment "Metamorphic Testing (MT) is a software testing technique that attempts to alleviate the test oracle problem. A test oracle is the mechanism by which a tester can determine whether a program has failed by comparing the actual output with the expected output.".
- Metamorphic_testing label "Metamorphic testing".
- Metamorphic_testing sameAs m.0hnctk9.
- Metamorphic_testing sameAs Q6823025.
- Metamorphic_testing sameAs Q6823025.
- Metamorphic_testing wasDerivedFrom Metamorphic_testing?oldid=559022378.
- Metamorphic_testing isPrimaryTopicOf Metamorphic_testing.