Sting> The proceSS of exerciSing a product to identify differenceS between expected and actual behaviour. Typically teSting iS bottom-up: unit teSting and integration teSting by developerS, SyStem teSting by teSterS, and {uSer acceptance teSting} by uSerS. TeSt coverage attemptS to aSSeSS how complete a teSt haS been. 2. The Second Stage in a generate and teStSearch algorithm. [Jargon File] (2003-09-24)