Which of the following metrics could suggest, under certain condition that an automated regression test suite has NOT been updated for new functionalities added to the SUT?
A.
The ratio of comments to executable statements in the SUT code.
B.
The SUT code coverage provided by the execution of the regression test suite.
C.
The defect density in the automation code of the regression test suite.
D.
The ratio of commands to executable statements in the automation code of the regression test suite
The SUT code coverage metric is crucial in determining whether the test suite has been updated to cover new functionalities. If the code coverage does not increase or remains the same after new functionalities are added, it suggests that the test suite has not been adequately updated to include tests for the new code. This is because code coverage measures the extent to which the source code of the program is executed when a particular test suite runs. A test suite that is not updated for new functionalities will not execute the new parts of the code, hence the code coverage will not reflect the new additions.
References = The answer is verified using the ISTQB Test Automation Engineer documents and training resources, which emphasize the importance of maintaining code coverage with the evolution of the SUT to ensure that the test suite remains effective over time123.
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