Lets Break Something
Lets Break some code
The title is a little misleading as the one thing I think that testers do not do, is to break developers code.
Instead we should working with them to help find as many potential issues before our customers do.
(think of it as a department that carries out a specialised peer review)
However as a tester you need to have a few tricks up your sleeve which enable you to quickly punish an application.
The following strings will usually cause most web-enabled applications to perform strange functions or just plain fall over in a heap.
Each separate line is a separate test.
I have created a bespoke parameter fuzzer which I load my list into and 99% of the time I get a fail in a web-application.
You can also use my URL Encoder / Decoder to look a little deeper into the char-sets being used.