When testing a program how do you know when you have tested

When testing a program, how do you know when you have tested it enough?

Solution

Answer :

     1.Testing is a never ending process.Testing can be stopped when maximum number of test cases are executed.

     2.We can stop testing when test coverage is 100%.When there are no defects found in the build.

     3.Following parameters should be consider to decide a program tested enough

                    1.Bug Rate 2.Schedule 3.Budget 4.Test Case Coverage 5.Risk Analysis

   4.When the system is highly stable and no errors are found.When certain amount of test cases are run and there is no errors found.

5.When all the test cases are run.

.....................