How do you know when you have enough test cases to adequately test a software system or module?

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Bindu Puvvala

  • Nov 10th, 2005
 

This can be determined by 1) Risk Analysis of the present system 2) Test Metrics of the previous similar project. If the previous similar project had 100 test cases, which could adequately test the system, and if your present system is 20% enhanced, 130-140 test cases may now do the job.

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thilak

  • Nov 11th, 2005
 

U have to use tracebelity metrix which will check whether these testcases are covering all the requirement specification or any other functionality of the module or application is still left uncovered.

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Pankaja

  • Feb 27th, 2006
 

When every requirement mentiond in the SRS is covered in the test case.

Also apart from this there will be some test cases( complx test cases) which will be based on real world scenario.

When we can check the entire funtionality of the product using the above mentioned set of test cases, we can say that we have enough test cases.

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PavanSwapna

  • Sep 15th, 2006
 

1. When most of the functionality is covered

2. Each and every requirement has minimum one test case

3. All the possible means valid, invalid, expected and unexpected scenario's are covered with test cases

4. When the bug rate fall under certain level or expected level by executing the test cases

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