Summary

  Again as a completion of this section, the advantages and disadvantages of those methods are compiled in a list:

Advantages:

• It is possible to use them for basically all programs.
• They can be used in an early stage of the development.
• The focus  is on the most typical bugs.
• The time consumption is pretty low.

Disadvantages:

• The chances of sucess are comparatively low.
• A lot of self-control is necessary for this kind of tests.
• The source code of purchased modules is not always available.
• It is difficult to reproduce those tests.
• They are very dependend on the executor's qualification and discipline.