Quote 4

Priorities tests so that whenever you stop testing you have done the best testing in the time available.

The 'Oracle Assumption'

For most systems it is possible to predict the expected results for any test case but there are a few systems where this is not the case.

For example, systems that predict situations or perform long and complex calculations that cannot practically be performed manually.

The Oracle Assumption is the name given to the assumption that it is possible to predict the expected results.

Quote 3

Testing is looking for something you don't really want to find.

Quote 2

The best way to build confidence is to try and destroy it.

Quote 1

You cannot have justified confidence in the quality of the software unless you have confidence in the quality of the Testing.

Testing Completion Criteria

Testing Completion Criteria includes following things -
1. 100% Statement coverage,
2. 100% Requirement coverage,
3. All screens / dialogue boxes / error messages seen,
4. 100% of test cases have been run,
5. 100% of high severity fault fixed,
6. 80% of low and medium severity faults fixed,
7. Maximum of 50 known faults remain,
8. Maximum of 10 high severity faults predicted,
9. Time has run out,
10. Testing budget is used up.