Traceability matrix is used to map between requirements and test cases.It is used to check all requirements are tested or not?.A document showing the relation between test requirement and test case.To check whether the testcases are mapped with the requirement.
Suppose a requirement contains 100 requiremets , then we should have atleast one testcase to veryfy each and every requirement , this is called farward tracebility.
If you trace back from test case to requirement ,all test case should point to atleast one requirement this is called backword tracibility.
There should not be any requirement without any test cases and there should not be any test case which is not pointed to some requirement.
The content of the tracibility matrix looks like the below image ...
Suppose a requirement contains 100 requiremets , then we should have atleast one testcase to veryfy each and every requirement , this is called farward tracebility.
If you trace back from test case to requirement ,all test case should point to atleast one requirement this is called backword tracibility.
There should not be any requirement without any test cases and there should not be any test case which is not pointed to some requirement.
The content of the tracibility matrix looks like the below image ...
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