what is test coverage matrix? what its use? and its format?

Answer Posted / e edwards

The test coverage matrix is used as a test tool to map Test
Cases (or business processes and scenario) against Test
Conditions. The test conditions themselves may be linked to
business requirements identified in the Requirements and
Traceability matrix but it's mainuse is to identify all
test conditions are 'covered' against the business
processes / scenarios.

It is a way also, of reducing the amount of tests that need
to be run during execution by including the relevant test
condition to the relevant test case.

This will then form the basis of the Test Scripts.

The matrix can be used to populate the requirements
coverage (in Quality Centre for example). Each test Case
becomes a Script which should include as a minimum, the
test conditions identified in the matrix.

The benefit of this matrix is that the same test condition
can be tested under varying processes through the
application ensuring that it behaves in the same way
depending on the route through, without an excessive number
of test scripts.

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